Doctor profile · Federal record

Dr. Mehrdad Ghahremani-Ghajar, D.O.

Internal Medicine Physician (CMS: General Practice) · Student in an Organized Health Care Education/Training Program · Rialto, CA

  • NPI 1942510607
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2248 N Milor Ave
Rialto, CA 923774675
(909) 472-8375

Credentials & registration

NPPES · NUCC
NPI registered
October 2010 — 16 yrs on file
Profile last updated
November 22, 2021
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #20A11526

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942510607. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
936
Distinct HCPCS
9
Medicare allowed
$148,315
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 350 156 $81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 172 158 $177
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 140 63 $121
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 104 38 $359
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 59 21 $359
90935 Hemodialysis procedure with physician evaluation 46 30 $73
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 37 37 $132
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 17 13 $299
99238 Hospital discharge day management, 30 minutes or less 11 11 $83

In context: peer comparison

Among 5 peers in Rialto Internal Medicine Physician, average services per provider: 89. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$64
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Travere Therapeutics, INC. 2 $47.79
Ardelyx, INC. 1 $16.20

By nature of payment

Food and Beverage
$64

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,130
Patients
378
Total drug cost
$57,067
Drug Type Claims Patients Total cost
Furosemide Generic 144 53 $1,607
Amlodipine Besylate Generic 113 47 $1,146
Jardiance (Empagliflozin) Brand 105 25 $38,646
Hydralazine Hcl Generic 89 31 $1,603
Losartan Potassium Generic 89 29 $1,119
Lisinopril Generic 88 29 $939
Potassium Chloride Generic 75 29 $3,091
Tamsulosin Hcl Generic 73 26 $1,072
Nifedipine ER (Nifedipine) Brand 61 19 $1,938
Terazosin Hcl Generic 56 16 $2,302

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mehrdad Ghahremani-Ghajar's medical specialty?
Dr. Mehrdad Ghahremani-Ghajar practices Internal Medicine Physician in Rialto, CA.
Where does Dr. Mehrdad Ghahremani-Ghajar practice?
Dr. Mehrdad Ghahremani-Ghajar practices at 2248 N Milor Ave, Rialto, CA 923774675. Office phone: 9094728375.
What is Dr. Mehrdad Ghahremani-Ghajar's NPI?
Dr. Mehrdad Ghahremani-Ghajar's National Provider Identifier (NPI) is 1942510607, issued by NPPES.
Does Dr. Mehrdad Ghahremani-Ghajar accept Medicare assignment?
Yes. Dr. Mehrdad Ghahremani-Ghajar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mehrdad Ghahremani-Ghajar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.