Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Thomas Campbell II, M.D.

Family Medicine Physician in Castle Rock, CO · enumerated 2006.

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

National Provider Identifier

1053373415

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Registry record

Entity type Individual (Type 1)

Name Dr. John Thomas Campbell II

Credential M.D.

Sex Male

Practice address 4386 Trail Boss Dr, Suite A, Castle Rock, CO, 80104

Phone (303) 688-8666

Fax (303) 688-8260

Enumeration date Apr 3, 2006

Last updated in NPPES Jan 29, 2011

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 40745 (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
56176571	Medicaid	CO	-

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

Is NPI 1053373415 active?

Yes, as of the latest NPPES snapshot, NPI 1053373415 is active (record last updated 2011-01-29).

How do I verify John Campbell's NPI record?

Cross-check NPI 1053373415 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-01-29.