Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Geoffrey Allen Ryan, DO

Individual provider Pediatrics Physician · NPI 1326667437

Geoffrey Allen Ryan, DO is a Pediatric Medicine in Greeley, Colorado. Graduated from Marian University College of Osteopathic Medicine in 2020, 6 years ago. Works from 2 locations. Licensed in Colorado and Connecticut.

Years since qualifying
6
Trained at
Marian University College of Osteopathic Medicine
Licensed in
CO, CT
In the registry since
2020
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

5881 W 16th St Ste B
Greeley, CO 80634-2910
Phone: (970) 652-2235
Fax: (970) 652-2827
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6 Northwestern Dr, Bloomfield, CT 06002-3463 — (860) 242-8330

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence DR.0076422 (CO)
Pediatrics Physician Taxonomy 208000000X · Licence 1.075481-DO (CT)

Record details

NPI number1326667437
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 9, 2020
Last updated in NPPESDecember 17, 2025
Certification dateDecember 17, 2025
Mailing address5881 W 16th St Ste B, Greeley, CO 80634-2910

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolMARIAN UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated

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