Geoffrey Allen Ryan, DO - Medicare Pediatric Medicine in Greeley, CO

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Geoffrey Allen Ryan, DO is a medicare enrolled "Pediatrics" physician in Greeley, Colorado. He went to Marian University College Of Osteopathic Medicine and graduated in 2020 and has 6 years of diverse experience with area of expertise as Pediatric Medicine. His current practice location is 5881 W 16th St Ste B, Greeley, Colorado. You can reach out to his office (for appointments etc.) via phone at (970) 652-2235.

Geoffrey Allen Ryan is licensed to practice in Colorado (license number DR.0076422) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1326667437.

Contact Information

Geoffrey Allen Ryan, DO
5881 W 16th St Ste B,
Greeley, CO 80634-2910
(970) 652-2235
(970) 652-2827

Map and Direction




Physician's Profile

Full NameGeoffrey Allen Ryan
GenderMale
SpecialityPediatric Medicine
Experience6 Years
Location5881 W 16th St Ste B, Greeley, Colorado
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Geoffrey Allen Ryan attended and graduated from Marian University College Of Osteopathic Medicine in 2020
  NPI Data:
  • NPI Number: 1326667437
  • Provider Enumeration Date: 04/09/2020
  • Last Update Date: 12/17/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 1658725510
  • Enrollment ID: I20251224002036

Medical Identifiers

Medical identifiers for Geoffrey Allen Ryan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326667437NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics DR.0076422 (Colorado)Primary
208000000XPediatrics 1.075481-DO (Connecticut)Secondary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Geoffrey Allen Ryan allows following entities to bill medicare on his behalf.
Entity NamePoudre Valley Medical Group LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225356868
PECOS PAC ID: 9638208549
Enrollment ID: O20100602000122

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Geoffrey Allen Ryan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Geoffrey Allen Ryan, DO
5881 W 16th St Ste B,
Greeley, CO 80634-2910

Ph: (970) 652-2235		Geoffrey Allen Ryan, DO
5881 W 16th St Ste B,
Greeley, CO 80634-2910

Ph: (970) 652-2235

Reviews and Comments


Pediatrics Doctors in Greeley, CO

Zachary J Leblanc, DO
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Ashley Przybilla, M.D.
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Practice Location: 100 N 11th Ave, Greeley, CO 80631
Phone: 970-352-8898    
Sarah Jayne Hathcock, M.D.
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Practice Location: 100 N 11th Ave, Greeley, CO 80631
Phone: 970-352-8898    Fax: 970-352-8898
Meghan Ann Croteau Fels, D.O.
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Medicare: Medicare Enrolled
Practice Location: 6801 W 20th St, Suite 201, Greeley, CO 80634
Phone: 970-350-5828    Fax: 970-810-4210
Dr. Amy Barbara Driscoll, MD
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Medicare: Medicare Enrolled
Practice Location: 5881 W 16th St, Greeley, CO 80634
Phone: 970-313-2700    Fax: 970-313-2727
Karen Gelfand, MD
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Medicare: May Accept Medicare Assignments
Practice Location: 1610 29th Avenue Pl Ste 101, Greeley, CO 80634
Phone: 970-356-2600    Fax: 970-356-2633
Emily Grace Allwein, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 2429 35th Ave, Greeley, CO 80634
Phone: 970-207-7171    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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