NPI Portal NPI Lookup & Verification

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

Dr. Jeannie Kao Koenig, M.D.

Physical Medicine & Rehabilitation Physician in Buffalo, NY · enumerated 2006.

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

National Provider Identifier

1851356810

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Registry record

Entity type Individual (Type 1)
Name Dr. Jeannie Kao Koenig
Credential M.D.
Sex Female
Practice address Buffalo, NY, 14220
Phone (716) 821-4450
Fax (716) 828-2765
Enumeration date Apr 20, 2006
Last updated in NPPES Jun 20, 2010

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

Taxonomy & licenses

208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians · License 2213431 (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
02273398 Medicaid NY -
3011286 Other NY INDEPENDENT HEALTH
000526519004 Other NY BLUE CROSS
00025687702 Other NY UNIVERA
P00333863 Other - MEDICARE RR

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Jeannie Koenig?
The National Provider Identifier (NPI) for Jeannie Koenig is 1851356810, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jeannie Koenig practice?
The practice location on file with NPPES is in Buffalo, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-20.