MARGARET EILEEN COOK MD
NPI 1932174299
Internal Medicine - Nephrology in Austin, TX

Active since February 21, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
12221 N MOPAC EXPY, AUSTIN, TX 78758(512) 901-4010(512) 901-3910 Get Directions Write a Review

NPPES record last updated: January 21, 2022. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Margaret Eileen Cook Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET EILEEN COOK MD (NPI 1932174299) is an individual nephrology provider in Austin, Texas, licensed in Texas (K6827) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with St David's Medical Center, and is a graduate of University Of Oklahoma College Of Medicine (1980).

NPPES Registry Identity

NPI1932174299
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameMARGARET EILEEN COOKCredential: MD
Location Address12221 N MOPAC EXPYAustin, TX 78758-2401
Mailing Address12221 N Mopac ExpyAustin, TX 78758-2401 · (512) 901-4010 · Fax (512) 901-3910
Fax(512) 901-3910
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 1980
Enumeration DateFebruary 21, 2006
Last NPPES UpdateJanuary 21, 2022
NPI 1932174299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in TX · K6827
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
12221 N MOPAC EXPY, Austin, TX 78758

Other Identifiers 1

Medicaid045454801TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Margaret Eileen Cook Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426183211
PECOS Enrollment IDI20100318000467
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 28

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
227 services102 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
189 services96 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
164 services113 patients
Kidney function blood test panel 80069
A kidney function blood test panel checks how well your kidneys are working. It measures levels of various substances in your blood, including proteins, electrolytes, and waste products. The results can help detect potential kidney issues early.
163 services90 patients
Parathormone (parathyroid hormone) level 83970
The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.
156 services89 patients
Uric acid level, blood 84550
A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.
145 services84 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St David's Medical Center

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450431
Location919 E 32nd StAustin, TX 78705 · Travis County
Emergency services Birthing friendly

Round Rock Medical Center

Acute Care Hospitals · Round Rock, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450718
Location2400 Round Rock AveRound Rock, TX 78681 · Williamson County
Emergency services Birthing friendly

North Austin Medical Center

Acute Care Hospitals · Austin, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450809
Location12221 Mopac Expressway NorthAustin, TX 78758 · Travis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78758 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

e-Prescribing
88%419 patients1/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
100%239 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503
Treatment-Chemotherapy · category RH002N
4 suppliers25 claims14,640 services$1.20 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
9 suppliers69 claims11,195 services$0.31 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers31 claims4,650 services$0.01 avg. paid by Medicare
Cyclosporine, oral, 25 mg J7515
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers11 claims1,320 services$0.60 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers25 claims2,460 services$0.18 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers43 claims5,760 services$0.91 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pathology (Anatomic Pathology & Clinical Pathology)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Speech-Language Pathologist
12221 N MOPAC EXPY
AUSTIN, TX 78758
Occupational Therapist (Physical Rehabilitation)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Nurse Anesthetist, Certified Registered
12221 N MOPAC EXPY
AUSTIN, TX 78758
Emergency Medicine
12221 N MOPAC EXPY
AUSTIN, TX 78758
Internal Medicine (Interventional Cardiology)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Psychiatry & Neurology (Neurology)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Obstetrics & Gynecology
12221 N MOPAC EXPY
AUSTIN, TX 78758

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Cook's NPI number?

The NPI number for Margaret Cook is 1932174299. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Where is Margaret Cook located?

Margaret Cook practices at 12221 N Mopac Expy, Austin, TX 78758. The listed phone number is (512) 901-4010.

What is Margaret Cook's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Margaret Cook enrolled in Medicare?

Yes. Margaret Cook is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Margaret Cook accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Margaret Cook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Margaret Cook affiliated with any hospitals?

According to CMS data, Margaret Cook is affiliated with St David's Medical Center, Round Rock Medical Center and North Austin Medical Center.

When was this NPI record last updated?

The NPPES record for Margaret Cook was last updated on January 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.