Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PETER MICHAEL STAWINSKI MD
NPI 1619437126
Internal Medicine - Gastroenterology in San Antonio, TX

Active since March 21, 2019PECOS Enrolled
4502 MEDICAL DR, SAN ANTONIO, TX 78229(210) 358-4000(561) 548-1459 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 3, 2026, Aug 16, 2022, Aug 12, 2022 and 1 more (4 updates tracked since 2019).

About Peter Michael Stawinski Md NPPES

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

PETER MICHAEL STAWINSKI MD (NPI 1619437126) is an individual gastroenterology provider in San Antonio, Texas, licensed in Texas (T8658) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains a secondary practice location in Brownwood.

NPPES Registry Identity

NPI1619437126
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NamePETER MICHAEL STAWINSKICredential: MD
Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402
Mailing Address4502 Medical DrSan Antonio, TX 78229-4402 · (210) 358-4000 · Fax (210) 358-4000
Fax(561) 548-1459
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 21, 2019
Last NPPES UpdateSeptember 3, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2026
NPI 1619437126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in TX · T8658
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License T8658 (TX)
Also ListedHospitalistTaxonomy 208M00000X · License T8658 (TX)
4502 MEDICAL DR, San Antonio, TX 78229

Secondary Practice Location 1

Location 11501 Burnet RdBrownwood, TX 76801-8520 · Phone (325) 649-3940

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

Peter Michael Stawinski 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 ID4082940838
PECOS Enrollment IDI20220811000611
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.

Hospital Affiliations CMS Care Compare

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

University Health System

Acute Care Hospitals · San Antonio, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450213
Location4502 Medical DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

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.

Internal Medicine (Cardiovascular Disease)
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Physical Therapy Assistant
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Anesthetist, Certified Registered
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Anesthetist, Certified Registered
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Pharmacist
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Hospitalist
4502 MEDICAL DR
SAN ANTONIO, TX 78229

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 Peter Stawinski's NPI number?

The NPI number for Peter Stawinski is 1619437126. It was assigned to this individual provider in the NPPES registry on March 21, 2019.

Where is Peter Stawinski located?

Peter Stawinski practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 358-4000.

What is Peter Stawinski's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Peter Stawinski enrolled in Medicare?

Yes. Peter Stawinski 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 Peter Stawinski accept?

Health plans from Blue Cross and Blue Shield of Texas and Imperial Insurance Companies, Inc. list Peter Stawinski 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 Peter Stawinski affiliated with any hospitals?

According to CMS data, Peter Stawinski is affiliated with University Health System.

When was this NPI record last updated?

The NPPES record for Peter Stawinski was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.