Prem Raj Sagar, M.D.
Internal Medicine Physician · Toppenish, WA
Prem Raj Sagar, M.D. is an internal medicine physician with a practice address in Toppenish, Washington, and NPI 1083382949, issued on Sep 3, 2021. Check the license (Washington MD61480420, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Prem Raj Sagar
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD61480420 WA
Self-reported in NPPES; status is on the state search - Practice location
- 510 W 1St Ave, Toppenish, WA 98948
- Phone
- (509) 865-5600
- Enumerated
- Sep 3, 2021
- Record last updated
- Jul 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20240812003197); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 510 W 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Anderson, D.O.Internal Medicine Physician1003057381
- Stephanie Baluca, PHARMDPharmacist1942852678
- Marilyn BerkoPediatrics Physician1164454526
- Mandeep Brar, M.D.Pediatrics Physician1548886583
- Alicia BritoCase Manager/Care Coordinator1861027104
- Sean Brown, PHARM.DPharmacist1982977492
Verify Prem Raj Sagar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61480420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
498 Medicare Part D claims for 181 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium43 claims
- Amlodipine Besylate31 claims
- Omeprazole27 claims
- Naproxen17 claims
- Diclofenac Sodium16 claims
- Lisinopril12 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.
Bills Medicare through one group practice
- Yakima Valley Farm Workers ClinicToppenish, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Prem Raj Sagar among 3,079 internal medicine physician records in Washington
Prem Raj Sagar, M.D. is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · median 2006 among the 1,852 with a school on file
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Toppenish
They are 10 of the 349 NPPES records with a practice address in Toppenish, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Toppenish → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Aaron Anderson, D.O.Toppenish, WA 989481003057381
- Vlastimil CalayanToppenish, WA 989481073757118
- Kathleen Davis, M.D.Toppenish, WA 989481205042108
- Mark FarleyToppenish, WA 989481164518353
- Stephanie HansenToppenish, WA 989481649229931
- Vesna Jamborcic, MDToppenish, WA 989481407827850
- Petar Jamborcic, MDToppenish, WA 989481114990538
- John Moran, MDToppenish, WA 989481730199225
Common questions
What is Prem Raj Sagar, M.D.'s NPI number?
Prem Raj Sagar, M.D.'s National Provider Identifier (NPI) is 1083382949, issued on Sep 3, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Prem Raj Sagar, M.D. located?
The NPPES record lists a practice address at 510 W 1St Ave, Toppenish, WA, 98948. Phone: (509) 865-5600. Providers update this record themselves, so call before visiting.
How can I verify Prem Raj Sagar, M.D.'s license?
NPPES lists Washington license number MD61480420, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Prem Raj Sagar, M.D. prescribe under Medicare Part D?
In 2024, Prem Raj Sagar, M.D. had 498 Medicare Part D claims for 181 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.