Gregory Kellam, MD
NPI 1548373343 · Ophthalmology Physician · Grand Junction, CO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Kellam, MD is a Ophthalmology Physician provider in Grand Junction, CO (NPI 1548373343).
Provider details
- NPI number
- 1548373343
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 37658 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,205 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 839 | $134 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 192 | $27 |
| Exam of Visual Field With Extended Testing92083 | 176 | $68 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 173 | $97 |
| New Patient Complete Exam of Visual System92004 | 169 | $158 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 144 | $136 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 441 | 109 |
| Timolol Maleate | 159 | 42 |
| Cyclosporinebrand: Restasis | 80 | 27 |
| Dorzolamide Hcl | 46 | 11 |
| Prednisolone Acetate | 45 | 23 |
| Cyclosporine | 38 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 32 | — |
| Brimonidine Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$214 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1000 Wellington AveGrand Junction, CO 81501Phone: (970) 243-9000Fax: (970) 245-4936
Registry dates
- Enumerated
- 2006-08-16
- Last updated
- 2023-03-07
Frequently asked questions
- What is Gregory Kellam's NPI number?
- Gregory Kellam's National Provider Identifier (NPI) is 1548373343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Kellam's specialty?
- Gregory Kellam is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Kellam located?
- Gregory Kellam's practice location on file with NPPES is 2460 Patterson Rd Unit 2, Grand Junction, CO 81505-1027.
- What is Gregory Kellam's phone number?
- The practice phone number listed in the NPPES registry for Gregory Kellam is (970) 243-9000.
- Does Gregory Kellam accept Medicare?
- Gregory Kellam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Kellam's NPI active?
- Yes — Gregory Kellam's NPI (1548373343) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.