John Oster, MD
NPI 1295775195 · Ophthalmology Physician · Grand Junction, CO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Oster, MD is a Ophthalmology Physician provider in Grand Junction, CO (NPI 1295775195).
Provider details
- NPI number
- 1295775195
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35363 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
548 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound Scan to Determine Eye Length and Lens Power76519 | 120 | $34 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 92 | $183 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 70 | $132 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 69 | $340 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 60 | $223 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 124 | 83 |
| Ofloxacin | 115 | 82 |
| Ketorolac Tromethamine | 108 | 75 |
| Latanoprost | 51 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 38 | 17 |
| Brimonidine Tartrate | 30 | 17 |
| Doxycycline Hyclate | 17 | 12 |
| Acyclovir | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2010-04-12
Frequently asked questions
- What is John Oster's NPI number?
- John Oster's National Provider Identifier (NPI) is 1295775195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Oster's specialty?
- John Oster is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Oster located?
- John Oster's practice location on file with NPPES is 2472 Patterson Rd, Grand Junction, CO 81505-1285.
- What is John Oster's phone number?
- The practice phone number listed in the NPPES registry for John Oster is (970) 424-5555.
- Does John Oster accept Medicare?
- John Oster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Oster's NPI active?
- Yes — John Oster's NPI (1295775195) is active in the NPPES registry as of the last update on 2010-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.