Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert Lewis Douglas, M.D.

Cardiovascular Disease Physician in Middletown, NY · enumerated 2006.

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

National Provider Identifier

1003861501

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert Lewis Douglas

Credential M.D.

Sex Male

Practice address 210 E Main St, Middletown, NY, 10940

Phone (845) 342-5681

Fax (845) 342-0470

Enumeration date May 23, 2006

Last updated in NPPES Apr 24, 2008

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 109172 1 (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
0257841	Medicaid	NY	-
110043387	Other	NY	RAILROAD MEDICARE

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 Robert Douglas practice?

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

What is the NPI number for Robert Douglas?

The National Provider Identifier (NPI) for Robert Douglas is 1003861501, 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 2008-04-24.