Doctor profile · Federal record

Dr. Mark Stahl, D.O.

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Pediatrics Physician · San Antonio, TX

  • NPI 1912932476
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14615 San Pedro Ave Ste 250
San Antonio, TX 782324316
(210) 490-2051

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 29, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207K00000X — NUCC code
State licenses (2)
Texas #P9742 · Ohio #34.010391

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912932476. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,599
Distinct HCPCS
10
Medicare allowed
$63,717
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 2,022 52 $14
95004 Test for allergy using allergenic extract 1,220 21 $4
95117 Professional service for multiple injections of allergen 947 53 $11
J1100 Injection, dexamethasone sodium phosphate, 1 mg 126 14 $0
94375 Test to measure rate of airflow 103 32 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 68 44 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 57 45 $86
96160 Administration and interpretation of patient-focused health risk assessment 21 16 $3
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $152
96372 Injection of drug or substance under skin or into muscle 17 15 $14

In context: peer comparison

Among 5 peers in San Antonio Allergy & Immunology Physician, average services per provider: 684. This provider delivers 6.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,768
Transactions
143
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Regeneron Pharmaceuticals, INC. 2 $3,798.00
AstraZeneca Pharmaceuticals Lp 13 $627.75
GlaxoSmithKline, LLC. 20 $448.51
Sanofi-Aventis U.S. LLC 14 $426.10
Csl Behring 15 $380.84
Genzyme Corporation 12 $348.17
Regeneron Healthcare Solutions, INC. 13 $344.04
Genentech USA, INC. 9 $326.12
Grifols USA, LLC 18 $245.62
Takeda Pharmaceuticals U.S.A., INC. 8 $187.77
Novartis Pharmaceuticals Corporation 8 $173.80
Genentech, INC. 1 $141.64
Octapharma USA, INC. 4 $80.00
Pharming Healthcare, INC. 3 $79.75
Blueprint Medicines Corporation 3 $55.17

By nature of payment

Food and Beverage
$3,857
Consulting Fee
$3,798
Education
$114

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
439
Patients
142
Total drug cost
$132,851
Drug Type Claims Patients Total cost
Azelastine Hcl Generic 67 23 $2,259
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 58 19 $1,314
Epinephrine Generic 52 50 $12,994
Montelukast Sodium Generic 52 11 $601
Fluticasone Propionate Generic 46 17 $651
Breo Ellipta (Fluticasone/Vilanterol) Brand 38 0 $16,886
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 30 0 $22,221
Prednisone Generic 29 22 $61
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 22 0 $10,173
Dupixent Syringe (Dupilumab) Brand 16 0 $58,325

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Stahl's medical specialty?
Dr. Mark Stahl practices Allergy & Immunology Physician in San Antonio, TX.
Where does Dr. Mark Stahl practice?
Dr. Mark Stahl practices at 14615 San Pedro Ave Ste 250, San Antonio, TX 782324316. Office phone: 2104902051.
What is Dr. Mark Stahl's NPI?
Dr. Mark Stahl's National Provider Identifier (NPI) is 1912932476, issued by NPPES.
Does Dr. Mark Stahl accept Medicare assignment?
Yes. Dr. Mark Stahl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Stahl commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Test for allergy using allergenic extract (HCPCS 95004); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.