Mehrnaz Hojjati, M. D.
Rheumatology Physician · Orange, CA
Mehrnaz Hojjati, M. D. is a rheumatology physician with a practice address in Orange, California, and NPI 1720029135, issued on Jun 8, 2006. Check the license (California C131825, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mehrnaz Hojjati
- Credential
- M. D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- C131825 CA
35096327 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2501 E Chapman Ave Ste 301, Orange, CA 92869
- Phone
- (714) 628-3230
- Enumerated
- Jun 8, 2006
- Record last updated
- Nov 28, 2023
- Medicaid ID
- 3111395 OH
- Medicare enrollment
- Enrolled (PECOS I20141125001853); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 2501 E Chapman Ave Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nilanthi Gunawardane, M.D.Dermatology Physician1124351051
Verify Mehrnaz Hojjati in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C131825Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average rheumatology physician in 2024
2,224 Medicare Part D claims for 360 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxychloroquine Sulfate242 claims
- Prednisone202 claims
- Methotrexate163 claims
- Gabapentin117 claims
- Leflunomide113 claims
- Leucovorin Calcium106 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 96 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $37,258.61
119 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Medical FoundationOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mehrnaz Hojjati among 926 rheumatology physician records in California
Mehrnaz Hojjati, M. D. is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1998 · median 2003 among the 641 with a school on file
- Record last updated2023 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Orange → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Bao Quynh Huynh, M.D.Orange, CA 928691538313648
- Andrew Phan, M.D.Orange, CA 928691710164736
- Brian S Andrews, MDOrange, CA 928681609970292
- Tun Tun Aung, DOOrange, CA 928681922676824
- Caroline BuiOrange, CA 928681821626482
- Ian Chang, D.O.Orange, CA 928681407116411
- Neha ChaurasiaOrange, CA 928681457980211
- Michael Cheng, DOOrange, CA 928681003109513
Common questions
What is Mehrnaz Hojjati, M. D.'s NPI number?
Mehrnaz Hojjati, M. D.'s National Provider Identifier (NPI) is 1720029135, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mehrnaz Hojjati, M. D. located?
The NPPES record lists a practice address at 2501 E Chapman Ave Ste 301, Orange, CA, 92869. Phone: (714) 628-3230. Providers update this record themselves, so call before visiting.
How can I verify Mehrnaz Hojjati, M. D.'s license?
NPPES lists California license number C131825, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mehrnaz Hojjati, M. D. prescribe under Medicare Part D?
In 2024, Mehrnaz Hojjati, M. D. had 2,224 Medicare Part D claims for 360 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Mehrnaz Hojjati, M. D.'s MIPS final score?
The 2023 MIPS final score is 96 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.