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DR. MARK KOWALSKI WALLACE M.D
NPI 1548250103
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Antonio, TX

Active since October 25, 2005PECOS Enrolled
3851 ROGER BROOKE DR, FT SAM HOUSTON, SAN ANTONIO, TX 78234(210) 916-0775 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Dr. Mark Kowalski Wallace M.d NPPES

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

DR. MARK KOWALSKI WALLACE M.D (NPI 1548250103) is an individual endocrinology, diabetes & metabolism provider in San Antonio, Texas, licensed in Indiana (01053948A) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548250103
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. MARK KOWALSKI WALLACECredential: M.D
Location Address3851 ROGER BROOKE DR, FT SAM HOUSTONSan Antonio, TX 78234
Mailing Address12443 Tech Ridge Blvd, #712Austin, TX 78753 · (210) 818-7958
Phone(210) 916-0775
Sole ProprietorNo
Enumeration DateOctober 25, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1548250103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in IN · 01053948A
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
3851 ROGER BROOKE DR, San Antonio, TX 78234
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Kowalski Wallace M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78234 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.

MARGARET JACKSON PSY.D.
Psychologist
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-1600
DR. RAJNIKANT C PATEL M.D
Anesthesiology (Critical Care Medicine)
3851 ROGER BROOKE DR, MCHE-QD (CREDENTIALS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-2118
FRANCIS KOBINA AGYAPONG NP
Nurse Practitioner (Acute Care)
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER, MCHE-QD(CREDS)
FORT SAM HOUSTON, TX 78234
Bexar County (719) 466-0576
MS. NATALIE R CHANG-MASON
Occupational Therapy Assistant
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5805
CONRAD GREGORY HAWKINS
Physical Therapist
3851 ROGER BROOKE DR, MCHE-QD (CRENDENTIALS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-2460
DR. CRAIG CAMPBELL MCFARLAND MD
Anesthesiology
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-2460
ANDRE JOHN OGNIBENE MD
Internal Medicine
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5993
DR. MICHAEL DAY DULLEA M.D.
Radiology (Therapeutic Radiology)
3851 ROGER BROOKE DR, MCHE-QD (CREDENTIALS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5046

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 Mark Wallace's NPI number?

The NPI number for Mark Wallace is 1548250103. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Mark Wallace located?

Mark Wallace practices at 3851 Roger Brooke Dr Ft Sam Houston, San Antonio, TX 78234. The listed phone number is (210) 916-0775.

What is Mark Wallace's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Mark Wallace enrolled in Medicare?

Yes. Mark Wallace is registered in the Medicare PECOS enrollment system.

What insurance does Mark Wallace accept?

Health plans from Blue Cross and Blue Shield of Texas list Mark Wallace 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.

When was this NPI record last updated?

The NPPES record for Mark Wallace was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.