Dr. Margaret E. Cook
- Gender: Female
- Experience: 41 years
- Graduated from: University Of Oklahoma College Of Medicine
- Graduation year: 1980
- Sole propriator: No
- NPI: 1932174299
Dr. Margaret E. Cook MD
Internist
She is located at 12221 North Mopac Expressway in Austin, TX 78758. Can help patients with the following: Arthritis, Chest Pain, Edema, Hyperkalemia, Hyperparathyroidism, Osteoporosis. Her National Provider Identifier (NPI) number is 1932174299. Appointment can be made via the phone number (512) 901-4010. She also has a website where you can get more information. The website can be found at https://healthcare.ascension.org/doctors/1932174299/margaret-eileen-cook-austin-tx. She is affiliated with 3 hospitals.
Conditions treated
Dr. Margaret Eileen Cook, being an internist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Margaret E. Cook.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Blood in Urine
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Gout
- Headache
- Heart Disease
- Hemolytic Uremic Syndrome (HUS)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hydronephrosis
- Hypercalcemia
- Hyperkalemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyponatremia
- Influenza
- Inguinal Hernia
- Kidney Cancer
- Kidney Failure
- Kidney Infection
- Kidney Stones
- Low Blood Pressure
- Low Potassium
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Polycystic Kidney Disease (PKD)
- Prescription Refill
- Rhabdomyolysis
- Urethritis
- Urinary Tract Infection (UTI)
- Vitamin D Deficiency
Procedures Performed by Dr. Margaret E. Cook
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Margaret E. Cook as in-network for the following 2026 plans.
Health plans
Ambetter from Superior HealthPlan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 12 plans from Ambetter from Superior HealthPlan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | EPO · Gold | Preferred | Accepting new patients at some locations |
| Complete Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients at some locations |
| Enhanced Diabetes Care Silver with $0 Drug Options | EPO · Silver | Preferred | Accepting new patients at some locations |
| Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients at some locations |
| Everyday Gold | EPO · Gold | Preferred | Accepting new patients at some locations |
| Everyday Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients at some locations |
| Focused Silver | EPO · Silver | Preferred | Accepting new patients at some locations |
| Focused Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients at some locations |
| Standard Gold | EPO · Gold | Preferred | Accepting new patients at some locations |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients at some locations |
| Standard Silver | EPO · Silver | Preferred | Accepting new patients at some locations |
| Standard Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients at some locations |
Ambetter from Superior HealthPlan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 6 plans from Ambetter from Superior HealthPlan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete VALUE Gold (3 plan variants) | HMO · Gold | Preferred | Accepting new patients at some locations |
| Focused VALUE Silver (3 plan variants) | HMO · Silver | Preferred | Accepting new patients at some locations |
| Focused VALUE Silver + Vision + Adult Dental (3 plan variants) | HMO · Silver | Preferred | Accepting new patients at some locations |
| Standard Gold VALUE (3 plan variants) | HMO · Gold | Preferred | Accepting new patients at some locations |
| Standard Silver VALUE (3 plan variants) | HMO · Silver | Preferred | Accepting new patients at some locations |
| Standard Silver VALUE + Vision + Adult Dental (3 plan variants) | HMO · Silver | Preferred | Accepting new patients at some locations |
Blue Cross and Blue Shield of Texas
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 25 plans from Blue Cross and Blue Shield of Texas
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Advantage Bronze HMO℠ 204 (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Bronze HMO℠ 301 (14 plan variants) | HMO · Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Bronze HMO℠ Standard (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ 206 (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ 603 (14 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ Standard (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ 303 (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ 305 (27 plan variants) | POS · Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ Standard (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ 203 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ 803 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ Standard (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ 202 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ 605 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ Standard (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Security HMO℠ 200 (27 plan variants) | HMO · Catastrophic | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ 205 (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ 801 (14 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ Standard (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| MyBlue Health Bronze℠ 402 (13 plan variants) | HMO · Expanded Bronze | Myblue Health | Accepting new patients |
| MyBlue Health Bronze℠ Standard (11 plan variants) | HMO · Expanded Bronze | Myblue Health | Accepting new patients |
| MyBlue Health Gold℠ 403 (13 plan variants) | HMO · Gold | Myblue Health | Accepting new patients |
| MyBlue Health Gold℠ Standard (11 plan variants) | HMO · Gold | Myblue Health | Accepting new patients |
| MyBlue Health Silver℠ 405 (13 plan variants) | HMO · Silver | Myblue Health | Accepting new patients |
| MyBlue Health Silver℠ Standard (11 plan variants) | HMO · Silver | Myblue Health | Accepting new patients |
Moda Health Plan, Inc.
Network data as of Sep 12, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Moda Select Texas Bronze 8700 ($0 Virtual Urgent Care through CirrusMD) | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Select Texas Bronze HDHP 7500 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Select Texas Standard Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Select Texas Standard Gold | EPO · Gold | Preferred | Accepting new patients |
| Moda Select Texas Standard Silver | EPO · Silver | Preferred | Accepting new patients |
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 11 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Gold Classic Guided Care (8 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Gold Classic Standard Guided Care (8 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Gold Simple Diabetes Guided Care (8 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Gold Simple Guided Care (8 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard Guided Care (8 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits Guided Care (8 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM Guided Care (8 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes Guided Care (8 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Guided Care (8 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver Guided Care (8 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits Guided Care (8 plan variants) | HMO · Silver | Preferred | Accepting new patients |
Sendero Health Plans, Local Nonprofit
Network data as of Sep 14, 2026, as reported by the insurer.
Show all 14 plans from Sendero Health Plans, Local Nonprofit
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Sendero Health Austin512 Silver / $40 PCP / $75 Specialist / $15 Generic Drugs / $0 Deductible | HMO · Silver | Non Preferred | Accepting new patients |
| Sendero Health Austin512 Silver / $40 PCP / $75 Specialist / $15 Generic Drugs / $0 Deductible | HMO · Silver | Preferred | Accepting new patients |
| Sendero Health Capital Silver / $40 PCP / $80 Specialist / $20 Generic Drugs | HMO · Silver | Non Preferred | Accepting new patients |
| Sendero Health Capital Silver / $40 PCP / $80 Specialist / $20 Generic Drugs | HMO · Silver | Preferred | Accepting new patients |
| Sendero Health Hill Country Gold / $30 PCP / $60 Specialist / $15 Generic Drugs | HMO · Gold | Non Preferred | Accepting new patients |
| Sendero Health Hill Country Gold / $30 PCP / $60 Specialist / $15 Generic Drugs | HMO · Gold | Preferred | Accepting new patients |
| Sendero Health Original Silver / $20 PCP + 2 $0 PCP Visits / $10 Generic Drugs | HMO · Silver | Non Preferred | Accepting new patients |
| Sendero Health Original Silver / $20 PCP + 2 $0 PCP Visits / $10 Generic Drugs | HMO · Silver | Preferred | Accepting new patients |
| Sendero Health Preferred Bronze / $25 PCP / $75 Specialist / $22 Generic Drugs | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Sendero Health Preferred Bronze / $25 PCP / $75 Specialist / $22 Generic Drugs | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Sendero Health Quality Care Bronze High Deductible / $50 PCP / $25 Generic Drugs / $100 Specialist | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Sendero Health Quality Care Bronze High Deductible / $50 PCP / $25 Generic Drugs / $100 Specialist | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Sendero Health Real Gold / $350 Deductible | HMO · Gold | Non Preferred | Accepting new patients |
| Sendero Health Real Gold / $350 Deductible | HMO · Gold | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 14 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential ($0 Virtual Urgent Care) | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value ($0 Virtual Urgent Care) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value+ ($0 Virtual Urgent Care, Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Margaret E. Cook is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Margaret E. Cook is enrolled to bill Medicare as a Practitioner - Nephrology .
Bills through: The Austin Diagnostic Clinic Pllc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
UNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated in 1980Other ways to reach out
- Website: https://healthcare.ascension.org/doctors/1932174299/margaret-eileen-cook-austin-tx
Additional Specialities
- Nephrologist
Affiliated hospitals
Looking for more Internists?
Out of the 61 internists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 12221 Mopac Expressway North Austin, 78758, TX
- Gender: Male
- Address: 12221 North Mopac Expressway Austin, 78758, TX
- Gender: Female
- Address: Suite 300 2200 Park Bend Drive Austin, 78758, TX
- Gender: Female
- Address: 1210 West Braker Lane 1210 West Braker Lane Austin, 78758, TX
- Gender: Female
- Address: Building 3 Suite 300 2200 Park Bend Drive Austin, 78758, TX
- Gender: Male
- Address: 12221 North Mopac Expressway Austin, 78758, TX
- Gender: Male
- Address: 2911 Medical Arts Street Suite 10 Austin, 78705, TX
- Gender: Male
- Address: Suite South 1000 Payton Gin Road Austin, 78758, TX
- Gender: Female
- Address: 18626 Hardy Oak Boulevard #210 San Antonio, 78258, TX
- Gender: Female
- Address: 12221 North Mopac Expressway 12221 North Mopac Expressway Austin, 78758, TX
Questions & Answers
Has Dr. Margaret Eileen Cook affiliation with hospitals?
Dr. Margaret Eileen Cook is affiliated with ST DAVID'S MEDICAL CENTER. For the full list of hospitals see this list.
Where can you meet with Dr. Margaret Eileen Cook?
Dr. Margaret Eileen Cook's office is located at 12221 North Mopac Expressway in Austin, TX 78758.
Does Dr. Margaret Eileen Cook accept insurance?
Dr. Margaret Eileen Cook is listed in-network for 87 ACA Marketplace (Obamacare/HealthCare.gov) plans from Ambetter from Superior HealthPlan, Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc., Oscar Insurance Company, Sendero Health Plans, Local Nonprofit, UnitedHealthcare. See the Marketplace plans section for details.
What conditions does Dr. Margaret Eileen Cook treat?
Dr. Margaret Eileen Cook provides treatment for Arthritis, Chest Pain, Edema, Hyperkalemia, Hyperparathyroidism, Osteoporosis. For the full list see this list.