Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Douglas Thomson, M.D.

Internal Medicine Physician in Bowling Green, KY · enumerated 2005.

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

National Provider Identifier

1447256896

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Registry record

Entity type Individual (Type 1)

Name Dr. Douglas Thomson

Credential M.D.

Sex Male

Practice address 201 Park St, Bowling Green, KY, 42101

Phone (270) 781-5111

Fax (270) 780-0473

Enumeration date Jun 21, 2005

Last updated in NPPES Feb 3, 2026

Taxonomy & licenses

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 26036 (KY) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 26036 (KY) Primary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 26036 (KY) Secondary

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
110031600	Other	KY	RAILROAD MEDICARE
50006871	Other	KY	PASSPORT
64260367	Medicaid	KY	-

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 specialty is Douglas Thomson?

Douglas Thomson is registered in NPPES with the primary taxonomy of Internal Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-03.