Jaffar Tremazi, MD
NPI 1649248782 · Rheumatology Physician · Pomona, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jaffar Tremazi, MD is a Rheumatology Physician provider in Pomona, CA (NPI 1649248782).
Provider details
- NPI number
- 1649248782
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A82895 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
632 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 | 492 | $139 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 42 | $180 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 31 | $72 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 30 | $82 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 23 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 602 | 137 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 548 | 75 |
| Hydroxychloroquine Sulfate | 328 | 68 |
| Prednisone | 293 | 74 |
| Tramadol Hcl | 280 | 55 |
| Duloxetine Hcl | 194 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,246 across 45 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
- 2006-03-14
- Last updated
- 2020-02-20
- Certified
- 2020-02-20
Frequently asked questions
- What is Jaffar Tremazi's NPI number?
- Jaffar Tremazi's National Provider Identifier (NPI) is 1649248782, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jaffar Tremazi's specialty?
- Jaffar Tremazi is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Jaffar Tremazi located?
- Jaffar Tremazi's practice location on file with NPPES is 1904 N Orange Grove Ave, Pomona, CA 91767-3008.
- What is Jaffar Tremazi's phone number?
- The practice phone number listed in the NPPES registry for Jaffar Tremazi is (909) 469-1823.
- Does Jaffar Tremazi accept Medicare?
- Jaffar Tremazi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jaffar Tremazi's NPI active?
- Yes — Jaffar Tremazi's NPI (1649248782) is active in the NPPES registry as of the last update on 2020-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.