Prem Tambar, M.D
NPI 1083792253 · Rheumatology Physician · Niagara Falls, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Prem Tambar, M.D is a Rheumatology Physician provider in Niagara Falls, NY (NPI 1083792253).
Provider details
- NPI number
- 1083792253
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 144911 (NY)
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
19 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
1,129 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 | 318 | $121 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 273 | $58 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 193 | $26 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 162 | $16 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 107 | $120 |
| 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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 348 | 101 |
| Prednisone | 205 | 59 |
| Alendronate Sodium | 87 | 32 |
| Etanerceptbrand: Enbrel Sureclick | 81 | 11 |
| Folic Acid | 73 | 30 |
| Leflunomide | 68 | 21 |
| Adalimumabbrand: Humira Pen | 64 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$80 across 1 record (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
- 2006-11-02
- Last updated
- 2014-09-29
Frequently asked questions
- What is Prem Tambar's NPI number?
- Prem Tambar's National Provider Identifier (NPI) is 1083792253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Prem Tambar's specialty?
- Prem Tambar is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Prem Tambar located?
- Prem Tambar's practice location on file with NPPES is 151 Buffalo Ave, Niagara Falls, NY 14303-1243.
- What is Prem Tambar's phone number?
- The practice phone number listed in the NPPES registry for Prem Tambar is (716) 282-3310.
- Does Prem Tambar accept Medicare?
- Prem Tambar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Prem Tambar's NPI active?
- Yes — Prem Tambar's NPI (1083792253) is active in the NPPES registry as of the last update on 2014-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.