Doctor profile · Federal record

Dr. Kelvin Ma, D.O.

Family Medicine Physician (CMS: Family Practice) · Colton, CA

  • NPI 1174933279
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1300 E Cooley Dr
Colton, CA 923243905
(909) 970-4100
fax (909) 370-4179
Mailing address
Po Box 10069
San Bernardino, CA 924230069

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
March 23, 2018
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A15631

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174933279. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
131
Distinct HCPCS
3
Medicare allowed
$13,131
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 59 43 $89
99214 Established patient office or other outpatient visit, 30-39 minutes 57 37 $129
G0008 Administration of influenza virus vaccine 15 15 $33

In context: peer comparison

Among 14 peers in Colton Family Medicine Physician, average services per provider: 37. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$589
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 2 $249.98
Corcept Therapeutics 2 $217.31
AstraZeneca Pharmaceuticals Lp 1 $121.82

By nature of payment

Food and Beverage
$589

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,596
Patients
1,424
Total drug cost
$82,221
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 747 246 $12,527
Levothyroxine Sodium Generic 399 108 $9,594
Losartan Potassium Generic 365 114 $7,112
Amlodipine Besylate Generic 356 118 $4,333
Lisinopril Generic 327 105 $3,368
Omeprazole Generic 314 91 $4,822
Tamsulosin Hcl Generic 314 85 $8,466
Metformin Hcl Generic 297 102 $4,663
Gabapentin Generic 272 73 $5,412
Hydrochlorothiazide Generic 228 76 $1,237

Frequently asked questions

Auto-generated from federal data
What is Dr. Kelvin Ma's medical specialty?
Dr. Kelvin Ma practices Family Medicine Physician in Colton, CA.
Where does Dr. Kelvin Ma practice?
Dr. Kelvin Ma practices at 1300 E Cooley Dr, Colton, CA 923243905. Office phone: 9099704100.
What is Dr. Kelvin Ma's NPI?
Dr. Kelvin Ma's National Provider Identifier (NPI) is 1174933279, issued by NPPES.
Does Dr. Kelvin Ma accept Medicare assignment?
Yes. Dr. Kelvin Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kelvin Ma 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); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.