Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Prem L Sagar, M.D.,F.A.C.P.

Internal Medicine Physician in Bethpage, NY · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1144285479

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Registry record

Entity type Individual (Type 1)

Name Dr. Prem L Sagar

Credential M.D.,F.A.C.P.

Sex Female

Practice address Bethpage, NY, 11714

Phone (516) 735-5522

Fax (516) 644-5385

Enumeration date Apr 19, 2006

Last updated in NPPES Sep 14, 2012

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 210715 (NY) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
210715	Other	NY	HIP/VYTRA
P00157993	Other	NY	RAILROAD MEDICARE
01919259	Medicaid	NY	-
P3090618	Other	NY	OXFORD
SP0715	Other	NY	ATLANTIS
2590818	Other	NY	GHI PPO
295AB1	Other	NY	EMPIRE BCBS OF NY
3C9671	Other	NY	HEALTHNET
179120	Other	NY	ELDER PLAN
3394510	Other	NY	AETNA HMO
7475519	Other	NY	AETNA PPO
900125879	Other	NY	TAX ID #

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Prem Sagar?

Prem Sagar is registered in NPPES with the primary taxonomy of Internal Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-14.