Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ralph Edward Holsworth Jr., D.O.

Family Medicine Physician in Springfield, CO · enumerated 2006.

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

National Provider Identifier

1881654150

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Registry record

Entity type Individual (Type 1)

Name Dr. Ralph Edward Holsworth Jr.

Credential D.O.

Sex Male

Practice address 373 E 10th Ave, Springfield, CO, 81073

Phone (719) 523-6628

Fax (719) 523-4290

Enumeration date Mar 23, 2006

Last updated in NPPES Mar 17, 2014

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 37599 (CO) Primary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License OP60185754 (WA) Secondary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
04837011	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

What is the NPI number for Ralph Holsworth?

The National Provider Identifier (NPI) for Ralph Holsworth is 1881654150, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ralph Holsworth practice?

The practice location on file with NPPES is in Springfield, CO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Southeast Colorado Hospital District Critical Access Hospital · Springfield, CO NPI 1285727297 Southeast Colorado Hospital District Laboratory Clinical Medical Laboratory · Springfield, CO NPI 1588716542 Poudre Valley Medical Group, LLC Cardiovascular Disease Physician · Springfield, CO NPI 1659902898 Healthone Heart Care LLC Cardiovascular Disease Physician · Springfield, CO NPI 1700492345 Southeast Colorado Hospital District Medicare Defined Swing Bed Hospital Unit · Springfield, CO NPI 1780258475 Southeast Colorado Hospital District - Facility Critical Access Hospital · Springfield, CO NPI 1518531201 Nicole Blais Occupational Therapist · Springfield, CO NPI 1942908496

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-17.