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

Dr. Lilian Liou Cohen, M.D., M.P.H

Clinical Genetics (M.D.) Physician in New York, NY · enumerated 2008.

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

National Provider Identifier

1033376827

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Registry record

Entity type Individual (Type 1)

Name Dr. Lilian Liou Cohen

Credential M.D., M.P.H

Sex Female

Practice address New York, NY, 10021

Phone (646) 962-2205

Fax (646) 962-0273

Enumeration date May 20, 2008

Last updated in NPPES Oct 11, 2017

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

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 242909 (NY) Secondary

207SG0201X Clinical Genetics (M.D.) Physician Allopathic & Osteopathic Physicians · License 242909 (NY) Primary

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

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 Lilian Cohen?

Lilian Cohen is registered in NPPES with the primary taxonomy of Clinical Genetics (M.D.) 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 2017-10-11.