Joseph Nathaniel Mehrabi, MD
Rheumatology Physician · Mission Hills, CA
Joseph Nathaniel Mehrabi, MD is a rheumatology physician with a practice address in Mission Hills, California, and NPI 1942886379, issued on Mar 24, 2021. Check the license (California A194640, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Nathaniel Mehrabi
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A194640 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11600 Indian Hills RD, Mission Hills, CA 91345
- Phone
- (818) 838-4500
- Enumerated
- Mar 24, 2021
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 11600 Indian Hills RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph Nathaniel Mehrabi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A194640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average rheumatology physician in 2024
78 Medicare Part D claims for 35 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Prednisone13 claims
- Methotrexate12 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.
Industry payments in 2024: $141.62
2 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.
Joseph Nathaniel Mehrabi among 926 rheumatology physician records in California
Joseph Nathaniel Mehrabi, MD 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 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2026 · 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 Mission Hills → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Rosa Artola, D.O.Mission Hills, CA 913451962848978
- Hitasha Singh, M.D.Mission Hills, CA 913451508189143
- Paul Sussman, MD.Mission Hills, CA 913451336168863
- James Chung, MDSylmar, CA 913421588742415
- Gretel D'Souza, M.D.Sylmar, CA 913421679138531
- Tamara Dahhan, D.O.Sylmar, CA 913421093074627
- Primal Kaur, MD, MBASylmar, CA 913421851380786
- Andrew Wong, M.D.Sylmar, CA 913421427137967
Common questions
What is Joseph Nathaniel Mehrabi, MD's NPI number?
Joseph Nathaniel Mehrabi, MD's National Provider Identifier (NPI) is 1942886379, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Nathaniel Mehrabi, MD located?
The NPPES record lists a practice address at 11600 Indian Hills RD, Mission Hills, CA, 91345. Phone: (818) 838-4500. Providers update this record themselves, so call before visiting.
How can I verify Joseph Nathaniel Mehrabi, MD's license?
NPPES lists California license number A194640, 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 Joseph Nathaniel Mehrabi, MD prescribe under Medicare Part D?
In 2024, Joseph Nathaniel Mehrabi, MD had 78 Medicare Part D claims for 35 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
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.