Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Christian Douglas, M.D.

Q: What is the NPI number for John Douglas?

The National Provider Identifier (NPI) for John Douglas is 1366769804, a Type 1 (individual) record in the CMS NPPES registry.

Psychiatry Physician in Hartsdale, NY · enumerated 2010 · practices at Westchester Jewish Community Services Inc..

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

National Provider Identifier

1366769804

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Registry record

Entity type Individual (Type 1)

Name Dr. John Christian Douglas

Credential M.D.

Sex Male

Practice address 141 N Central Ave, Hartsdale, NY, 10530

Phone (914) 949-7699

Fax (914) 949-3224

Enumeration date Apr 23, 2010

Last updated in NPPES Feb 24, 2026

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License A101028 (CA) Secondary

2084P0802X Addiction Psychiatry Physician Allopathic & Osteopathic Physicians · License 053165 (CT) Secondary

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 269011 (NY) Primary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

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

What is the NPI number for John Douglas?

The National Provider Identifier (NPI) for John Douglas is 1366769804, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Douglas practice?

The practice location on file with NPPES is in Hartsdale, 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 2026-02-24.