Doctor profile · Federal record

Dr. Mohammad Mahmud, MD, MPH, PHD

Internal Medicine Physician (CMS: Internal Medicine) · Corona, CA

  • NPI 1164513784
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
703 Magnolia Ave
Corona, CA 928793118
(951) 340-2178
fax (951) 340-2478

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A70230

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164513784. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
625
Distinct HCPCS
10
Medicare allowed
$30,515
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 244 212 $93
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 68 16 $1
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 52 52 $41
96372 Injection of drug or substance under skin or into muscle 52 36 $15
J1885 Injection, ketorolac tromethamine, per 15 mg 49 24 $1
81002 Urinalysis, manual test 46 42 $3
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 28 28 $16
99202 New patient office or other outpatient visit, 15-29 minutes 24 24 $75
80053 Blood test, comprehensive group of blood chemicals 17 17 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 16 16 $8

In context: peer comparison

Among 14 peers in Corona Internal Medicine Physician, average services per provider: 90. This provider delivers 6.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,252
Patients
1,215
Total drug cost
$13,224
Drug Type Claims Patients Total cost
Azithromycin Generic 192 184 $823
Methylprednisolone Generic 139 137 $1,067
Baclofen Generic 132 126 $511
Meloxicam Generic 129 125 $602
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 123 118 $3,654
Doxycycline Hyclate Generic 104 98 $1,038
Cefdinir Generic 92 89 $1,332
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 65 65 $401
Naproxen Generic 58 58 $229
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 46 45 $762

Frequently asked questions

Auto-generated from federal data
What is Dr. Mohammad Mahmud's medical specialty?
Dr. Mohammad Mahmud practices Internal Medicine Physician in Corona, CA.
Where does Dr. Mohammad Mahmud practice?
Dr. Mohammad Mahmud practices at 703 Magnolia Ave, Corona, CA 928793118. Office phone: 9513402178.
What is Dr. Mohammad Mahmud's NPI?
Dr. Mohammad Mahmud's National Provider Identifier (NPI) is 1164513784, issued by NPPES.
Does Dr. Mohammad Mahmud accept Medicare assignment?
Yes. Dr. Mohammad Mahmud accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mohammad Mahmud commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (HCPCS 87811). Source: CMS Medicare Physician & Other Practitioners file.