Gharoon Panahi, MD
Rheumatology Physician · Fountain Valley, CA
Gharoon Panahi, MD is a rheumatology physician with a practice address in Fountain Valley, California, and NPI 1912956053, issued on May 8, 2006. Check the license (California A34894, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gharoon Panahi
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A34894 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11180 Warner Ave #157, Fountain Valley, CA 92708
- Phone
- (714) 825-0891
- Enumerated
- May 8, 2006
- Record last updated
- Nov 18, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (714) 825-1641
- Medicaid ID
- 00A348940 CA
- Medicare enrollment
- Enrolled (PECOS I20100316000262); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Verify Gharoon Panahi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A34894Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,837 Medicare Part D claims for 233 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 63 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate81 claims
- Duloxetine Hcl68 claims
- Methotrexate68 claims
- Levothyroxine Sodium61 claims
- Gabapentin58 claims
- Prednisone49 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): 21.5 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: $1,318.18
74 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
- Gharoon Panahi MD IncFountain Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gharoon Panahi among 926 rheumatology physician records in California
Gharoon Panahi, 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 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
- Graduated1970 · median 2003 among the 641 with a school on file
- Record last updated2016 · 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 Fountain Valley → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Ana Maheshwari, MDFountain Valley, CA 927081306259130
- Gihyun MyungFountain Valley, CA 927081902160922
- Ronald Kaufman, MDSanta Ana, CA 927071053302000
- Jeff Sarkozi, M.D.Santa Ana, CA 927051699812388
- Krishan Khurana, MDSanta Ana, CA 927011972606549
- Hernan Castro-Rueda, M.D.Mission Viejo, CA 926911720162092
- Catherine Driver, M.D.Mission Viejo, CA 926911356469266
- Fatemeh Jafari Farshami, M.D.Mission Viejo, CA 926911386049260
Common questions
What is Gharoon Panahi, MD's NPI number?
Gharoon Panahi, MD's National Provider Identifier (NPI) is 1912956053, issued on May 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gharoon Panahi, MD located?
The NPPES record lists a practice address at 11180 Warner Ave #157, Fountain Valley, CA, 92708. Phone: (714) 825-0891. Providers update this record themselves, so call before visiting.
How can I verify Gharoon Panahi, MD's license?
NPPES lists California license number A34894, 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 Gharoon Panahi, MD prescribe under Medicare Part D?
In 2024, Gharoon Panahi, MD had 1,837 Medicare Part D claims for 233 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Gharoon Panahi, MD's MIPS final score?
The 2023 MIPS final score is 21.5 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.