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

Steven Colby, MD

Q: What is the NPI number for Steven Colby?

The National Provider Identifier (NPI) for Steven Colby is 1891782777, a Type 1 (individual) record in the CMS NPPES registry.

Infectious Disease Physician in Brooklyn, NY · enumerated 2005.

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

National Provider Identifier

1891782777

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Registry record

Entity type Individual (Type 1)

Name Steven Colby

Credential MD

Sex Male

Practice address Brooklyn, NY, 11215

Phone (718) 780-5246

Fax (718) 780-3259

Enumeration date Oct 5, 2005

Last updated in NPPES Dec 23, 2009

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

Taxonomy & licenses

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians · License ME0076743 (FL) Secondary

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians · License 157414 (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
00869796	Medicaid	NY	-
256292800	Medicaid	FL	-
44870	Other	FL	BC FLORIDA

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

Where does Steven Colby practice?

The practice location on file with NPPES is in Brooklyn, NY. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Steven Colby?

The National Provider Identifier (NPI) for Steven Colby is 1891782777, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-12-23.