Doctor profile · Federal record

Dr. Grace Onuma, M.D

Family Medicine Physician (CMS: Family Practice) · San Antonio, TX

  • NPI 1164800108
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2121 Sw 36Th St
San Antonio, TX 782373360
(210) 358-5100
fax (210) 358-5157

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
January 5, 2026
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Texas #R8068

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164800108. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
854
Distinct HCPCS
10
Medicare allowed
$56,509
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 213 164 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 186 107 $120
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 107 94 $6
G0444 Annual depression screening, 5 to 15 minutes 70 70 $18
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 64 64 $124
36415 Insertion of needle into vein for collection of blood sample 51 45 $8
71046 X-ray of chest, 2 views 32 30 $31
81001 Manual urinalysis test with examination using microscope, automated 31 25 $3
90662 Influenza vaccine split virus, preservative free 24 24 $72
G0008 Administration of influenza virus vaccine 24 24 $30

In context: peer comparison

Among 225 peers in this city , average services per provider: 135. This provider delivers 6.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,157
Transactions
48
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 17 $437.83
AstraZeneca Pharmaceuticals LP 5 $277.97
Novo Nordisk Inc 7 $105.52
Amgen Inc. 5 $82.37
Lilly USA, LLC 5 $81.43
AngioDynamics, Inc. 1 $37.94
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $34.24
GlaxoSmithKline, LLC. 2 $27.93
Tactile Systems Technology Inc 1 $23.77
Tris Pharma Inc 1 $17.95
Bayer Healthcare Pharmaceuticals Inc. 1 $16.55
PFIZER INC. 1 $13.31

By nature of payment

Food and Beverage
$1,157

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,121
Patients
457
Total drug cost
$25,081
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 141 50 $1,793
Atorvastatin Calcium Generic 118 42 $1,254
Rosuvastatin Calcium Generic 118 40 $1,835
Amlodipine Besylate Generic 101 35 $675
Lisinopril Generic 95 33 $646
Losartan Potassium Generic 83 26 $837
Montelukast Sodium Generic 80 25 $875
Metformin Hcl Generic 61 22 $422
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 54 26 $1,751
Gabapentin Generic 52 21 $416

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grace Onuma's medical specialty?
Dr. Grace Onuma practices Family Medicine Physician in San Antonio, TX.
Where does Dr. Grace Onuma practice?
Dr. Grace Onuma practices at 2121 Sw 36Th St, San Antonio, TX 782373360. Office phone: 2103585100.
What is Dr. Grace Onuma's NPI?
Dr. Grace Onuma's National Provider Identifier (NPI) is 1164800108, issued by NPPES.
Does Dr. Grace Onuma accept Medicare assignment?
Yes. Dr. Grace Onuma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grace Onuma commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Complete blood cell count (red cells, white blood cell, platelets), automated test (HCPCS 85027). Source: CMS Medicare Physician & Other Practitioners file.