Prem L. Sagar, M.D.,F.A.C.P.
Internal Medicine Physician · Bethpage, NY
Prem L. Sagar, M.D.,F.A.C.P. is an internal medicine physician with a practice address in Bethpage, New York, and NPI 1144285479, issued on Apr 19, 2006. Check the license (New York 210715, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Prem L. Sagar
- Credential
- M.D.,F.A.C.P.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 210715 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4250 Hempstead Tpke, Bethpage, NY 11714
- Phone
- (516) 735-5522
- Enumerated
- Apr 19, 2006
- Record last updated
- Sep 14, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (516) 644-5385
- Medicaid ID
- 01919259 NY
- Medicare enrollment
- Enrolled (PECOS I20040701001253); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 4250 Hempstead Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Prem L. Sagar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 210715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
45 Medicare Part D claims for 24 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $18.66
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- North Shore-Lij Medical PCPlainview, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Prem L. Sagar among 12,067 internal medicine physician records in New York
Prem L. Sagar, M.D.,F.A.C.P. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1977 · median 2002 among the 7,221 with a school on file
- Record last updated2012 · 61% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 internal medicine physician records list a practice address in Bethpage
They are 19 of the 653 NPPES records with a practice address in Bethpage, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Bethpage → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ballambattu Bhat, MDBethpage, NY 117141366485930
- Peter Buffa, M.D.Bethpage, NY 117141790884344
- Jack Geffken, D.O.Bethpage, NY 117141053310268
- Christine Jankowski, M.D.Bethpage, NY 117141508851668
- Beresford Jones, DOBethpage, NY 117141407857204
- Vanita Kaul, MDBethpage, NY 117141144258476
- Abdus Khan, MDBethpage, NY 117141679517619
- Diane Linzer, D.O.Bethpage, NY 117141780679845
Common questions
What is Prem L. Sagar, M.D.,F.A.C.P.'s NPI number?
Prem L. Sagar, M.D.,F.A.C.P.'s National Provider Identifier (NPI) is 1144285479, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Prem L. Sagar, M.D.,F.A.C.P. located?
The NPPES record lists a practice address at 4250 Hempstead Tpke, Bethpage, NY, 11714. Phone: (516) 735-5522. Providers update this record themselves, so call before visiting.
How can I verify Prem L. Sagar, M.D.,F.A.C.P.'s license?
NPPES lists New York license number 210715, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Prem L. Sagar, M.D.,F.A.C.P. prescribe under Medicare Part D?
In 2024, Prem L. Sagar, M.D.,F.A.C.P. had 45 Medicare Part D claims for 24 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Prem L. Sagar, M.D.,F.A.C.P.'s MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.