Gharoon Panahi, MD
NPI 1912956053 · Rheumatology Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gharoon Panahi, MD is a Rheumatology Physician provider in Fountain Valley, CA (NPI 1912956053).
Provider details
- NPI number
- 1912956053
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A34894 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,686 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 874 | $130 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 292 | $138 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 205 | $83 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 135 | $76 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 57 | $167 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 81 | 27 |
| Duloxetine Hcl | 68 | 26 |
| Methotrexate Sodiumbrand: Methotrexate | 68 | 26 |
| Levothyroxine Sodium | 61 | 16 |
| Gabapentin | 58 | 25 |
| Prednisone | 49 | 20 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,318 across 74 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-08
- Last updated
- 2016-11-18
Frequently asked questions
- What is Gharoon Panahi's NPI number?
- Gharoon Panahi's National Provider Identifier (NPI) is 1912956053, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gharoon Panahi's specialty?
- Gharoon Panahi is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Gharoon Panahi located?
- Gharoon Panahi's practice location on file with NPPES is 11180 Warner Ave #157, Fountain Valley, CA 92708.
- What is Gharoon Panahi's phone number?
- The practice phone number listed in the NPPES registry for Gharoon Panahi is (714) 825-0891.
- Does Gharoon Panahi accept Medicare?
- Gharoon Panahi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gharoon Panahi's NPI active?
- Yes — Gharoon Panahi's NPI (1912956053) is active in the NPPES registry as of the last update on 2016-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.