Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John H. Ferguson, M.D.

Pulmonary Disease Physician in Wheat Ridge, CO · enumerated 2007.

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

National Provider Identifier

1669682522

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Registry record

Entity type Individual (Type 1)

Name John H. Ferguson

Credential M.D.

Sex Male

Practice address 8550 W 38th Ave, Suite 202, Wheat Ridge, CO, 80033

Phone (303) 940-1661

Fax (303) 431-8708

Enumeration date May 22, 2007

Last updated in NPPES Oct 3, 2013

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License R-7873 (IA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License DR-47917 (CO) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License TL-3034 (CO) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License DR47917 (CO) 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
P01080554	Other	TN	MEDICARE RAILROAD
1529909	Medicaid	TN	-
7100228280	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for John Ferguson?

The National Provider Identifier (NPI) for John Ferguson is 1669682522, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Ferguson practice?

The practice location on file with NPPES is in Wheat Ridge, CO. 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 2013-10-03.