Prem Sagar, M.D.
NPI 1083382949 · Internal Medicine Physician · Toppenish, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Prem Sagar, M.D. is a Internal Medicine Physician provider in Toppenish, WA (NPI 1083382949).
Provider details
- NPI number
- 1083382949
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD61480420 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 43 | 26 |
| Amlodipine Besylate | 31 | 20 |
| Omeprazole | 27 | — |
| Naproxen | 17 | 12 |
| Diclofenac Sodium | 16 | — |
| Lisinopril | 12 | — |
| Metformin Hclbrand: Metformin Hcl Er | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-09-03
- Last updated
- 2024-07-30
- Certified
- 2024-07-30
Frequently asked questions
- What is Prem Sagar's NPI number?
- Prem Sagar's National Provider Identifier (NPI) is 1083382949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Prem Sagar's specialty?
- Prem Sagar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Prem Sagar located?
- Prem Sagar's practice location on file with NPPES is 510 W 1st Ave, Toppenish, WA 98948-1564.
- What is Prem Sagar's phone number?
- The practice phone number listed in the NPPES registry for Prem Sagar is (509) 865-5600.
- Does Prem Sagar accept Medicare?
- Prem Sagar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Prem Sagar's NPI active?
- Yes — Prem Sagar's NPI (1083382949) is active in the NPPES registry as of the last update on 2024-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.