Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1326667437 Individual Practitioner Male Practitioner

Dr. Geoffrey Allen Ryan , DO

Pediatrics • Greeley, CO

Professional Overview & Biography Verified Profile Summary

Dr. Geoffrey Ryan, DO is a certified Pediatrics practicing in Greeley, CO. With approximately 6 years of clinical experience since graduating from Marian University College Of Osteopathic Medicine in 2020, Dr. Ryan delivers high-quality medical care to the local community at 5881 W 16TH ST STE B.

Dr. Ryan does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

5881 W 16th St Ste B

Greeley, CO 806342910

Telephone 9706522235
Fax 9706522827
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Marian University College Of Osteopathic Medicine

Graduation Year

2020

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Greeley, CO

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
6 Yrs -5.7 yrs vs City Avg
City Avg: 11.7 Yrs
State Avg: 19.7 Yrs
Regional Practice Density
20 Specialists

Practicing in Greeley, CO (1195 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ryan (6 Years) 6 Yrs
Greeley Specialty Average (11.7 Years) 11.7 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-12-17
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License CO DR.0076422

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License CT 1.075481-DO

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Secondary Practice Locations

6 Northwestern Dr

Bloomfield, CT 060023463

Phone: 8602428330

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

7 Associated Practitioners
NPI 1033604277

Doctor of Osteopathic Medicine (D.O.)

Charly Rynders

Nurse Practitioner - Family

NPI 1114857968
Dr. Jason Eakes , DO

Family Medicine

NPI 1306584966

Doctor of Osteopathic Medicine (D.O.)

Angela Modin , PA-C

Physician Assistant

NPI 1356642649

Physician Assistant (Certified)

NPI 1659783199

Doctor of Osteopathic Medicine (D.O.)

Madison Zenk

Pediatrics

NPI 1710636279

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events
📍
Updated Practice Location December 17, 2025

Registered at 5881 W 16TH ST STE B, GREELEY, CO 806342910 (Tel: 9706522235)

📍
Updated Business Mailing Address December 17, 2025

Registered at 5881 W 16TH ST STE B, GREELEY, CO 806342910 (Tel: 9706522235)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 17, 2025

Pediatrics (License #DR.0076422 in CO)

📍
Updated Practice Location August 24, 2023

Registered at 6 NORTHWESTERN DR, BLOOMFIELD, CT 060023463 (Tel: 8602428330)

📍
Updated Business Mailing Address August 24, 2023

Registered at 6 NORTHWESTERN DR, BLOOMFIELD, CT 060023463 (Tel: 8602428330)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 24, 2023

Pediatrics (License #1.075481-DO in CT)

NPI Profile Active April 09, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location April 09, 2020

Registered at 282 WASHINGTON ST, HARTFORD, CT 061063322 (Tel: 8605459000)

📍
Updated Business Mailing Address April 09, 2020

Registered at 263 FARMINGTON AVE, FARMINGTON, CT 060301921 (Tel: 8606792147)

👤
Provider Name / Credentials Updated April 09, 2020

Recorded as GEOFFREY RYAN, DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 09, 2020

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 09, 2020

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1326667437
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 09, 2020
Last Update: December 17, 2025
Sole Proprietor: No

Mailing Address

5881 W 16th St Ste B

Greeley, CO 806342910

Phone: 9706522235

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.