Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Gerard Oster, MD

Individual provider Ophthalmology Physician · NPI 1295775195

Dr. John Gerard Oster, MD is an Ophthalmology in Grand Junction, Colorado. Graduated from Albany Medical College of Union University in 1991, 35 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
35
Trained at
Albany Medical College of Union University
Licensed in
CO
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2472 Patterson Rd Ste 11
Grand Junction, CO 81505-1285
Phone: (970) 424-5555
Fax: (970) 424-5027
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 35363 (CO)

Record details

NPI number1295775195
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 8, 2006
Last updated in NPPESApril 12, 2010
Mailing address2472 Patterson Rd, Suite 11, Grand Junction, CO 81505-1285

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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