Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Jonathan Edward Blacker, MD

Otolaryngology Physician in Greenwood Village, CO · enumerated 2007.

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

National Provider Identifier

1477697274

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Registry record

Entity type Individual (Type 1)

Name Dr. Jonathan Edward Blacker

Credential MD

Sex Male

Practice address Greenwood Village, CO, 80111

Phone (303) 795-3443

Fax (303) 290-6317

Enumeration date Feb 16, 2007

Last updated in NPPES Jan 13, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 27023 (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
1063746972	Other	-	GROUP NPI
01270230	Medicaid	CO	-
44176279	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

How do I verify Jonathan Blacker's NPI record?

Cross-check NPI 1477697274 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1477697274 active?

Yes, as of the latest NPPES snapshot, NPI 1477697274 is active (record last updated 2010-01-13).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-01-13.