Geoffrey Allen Ryan, DO

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

DR.0076422 Issued in CO

Practice address

5881 W 16TH St Ste B
Greeley, CO 80634-2910

Phone

(970) 652-2235

Fax

(970) 652-2827

NPI assigned

Apr 9, 2020

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Pediatric Medicine

Education

Marian University College of Osteopathic Medicine, 2020

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: geoffrey.ryan.npi1326667437.phpct@direct.optumcare.masshiway.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Poudre Valley Medical Group, LLC

  dba UCHealth Medical Group

  • General Practice Physician
  • Loveland, CO
  • NPI 1225356868
  Medicare reassignment
• Poudre Valley Medical Group, LLC

  dba UCHealth Medical Group

  • General Practice Physician
  • Loveland, CO
  • NPI 1366763260
  NPD
• Prohealth Physicians PC

  • Family Medicine Physician
  • Farmington, CT
  • NPI 1720194053

  Pediatrics

  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1586390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765929600000",
    "number": "1326667437",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5881 W 16TH ST STE B",
            "city": "GREELEY",
            "state": "CO",
            "postal_code": "806342910",
            "telephone_number": "970-652-2235",
            "fax_number": "970-652-2827"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5881 W 16TH ST STE B",
            "city": "GREELEY",
            "state": "CO",
            "postal_code": "806342910",
            "telephone_number": "970-652-2235",
            "fax_number": "970-652-2827"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6 Northwestern Dr",
            "address_purpose": "LOCATION",
            "city": "Bloomfield",
            "state": "CT",
            "postal_code": "060023463",
            "country_code": "US",
            "telephone_number": "860-242-8330",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RYAN",
        "first_name": "GEOFFREY",
        "middle_name": "ALLEN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-09",
        "last_updated": "2025-12-17",
        "certification_date": "2025-12-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CO",
            "license": "DR.0076422",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CT",
            "license": "1.075481-DO",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lindsey Russell
• Victoria Russo
• Ashley Russolello
• Ryan J Mayeda LLC
• Ryan S. Bingham DDS, PC
• Joseph P Ryan, MD
• Sonya Ryan
• Jessi Ryley, R.N.
• Charly Rynders, NP
• S. Brown & Associates Dental Group PC

• Pediatrics Physician in Greeley, CO
• Providers in Greeley, CO by specialty
• Pediatrics Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.