Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ROBERT O STARK NP
NPI 1124090048
Nurse Practitioner in Longmont, CO

Q: What is Robert Stark's NPI number?

The NPI number for Robert Stark is 1124090048. It was assigned to this individual provider in the NPPES registry on February 3, 2006.

Q: What is Robert Stark's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Robert Stark was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 03, 2006

1925 W MOUNTAIN VIEW AVE, LONGMONT, CO 80501(303) 776-1234(720) 494-3107 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Robert O Stark Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT O STARK NP (NPI 1124090048) is an individual nurse practitioner in Longmont, Colorado, licensed in Colorado (129114) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1124090048

Entity TypeIndividualMale

Primary Taxonomy363L00000X

Provider Legal NameROBERT O STARKCredential: NP

Location Address1925 W MOUNTAIN VIEW AVELongmont, CO 80501-3128

Mailing Address1925 W Mountain View AveLongmont, CO 80501-3128 · (303) 776-1234 · Fax (720) 494-3107

Phone(303) 776-1234

Fax(720) 494-3107

Sole ProprietorNo

Enumeration DateFebruary 3, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1124090048 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CO · 129114

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

1925 W MOUNTAIN VIEW AVE, Longmont, CO 80501

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Other Identifiers 1

Other129114CO · License

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LYLE M PFEIFER MD

Family Medicine