Grant Corning, MD
NPI 1033259114 · Ophthalmology Physician · Ada, OK
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Corning, MD is a Ophthalmology Physician provider in Ada, OK (NPI 1033259114).
Provider details
- NPI number
- 1033259114
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25023 (OK)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,894 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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 583 | $119 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 538 | $28 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 517 | $441 |
| Imaging of Retina92134 | 501 | $36 |
| Established Patient Complete Exam of Visual System92014 | 400 | $116 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 365 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 564 | 353 |
| Moxifloxacin Hclbrand: Moxifloxacin | 559 | 317 |
| Ketorolac Tromethamine | 545 | 308 |
| Latanoprost | 486 | 101 |
| Cyclosporinebrand: Restasis | 209 | 99 |
| Fluorometholone | 185 | 104 |
| Erythromycin Basebrand: Erythromycin | 143 | 100 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$259 across 15 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
Registry dates
- Enumerated
- 2007-02-07
- Last updated
- 2023-01-17
- Certified
- 2021-11-30
Frequently asked questions
- What is Grant Corning's NPI number?
- Grant Corning's National Provider Identifier (NPI) is 1033259114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Corning's specialty?
- Grant Corning is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Corning located?
- Grant Corning's practice location on file with NPPES is 1425 Arlington St, Ada, OK 74820-2636.
- What is Grant Corning's phone number?
- The practice phone number listed in the NPPES registry for Grant Corning is (580) 332-1880.
- Does Grant Corning accept Medicare?
- Grant Corning is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Corning's NPI active?
- Yes — Grant Corning's NPI (1033259114) is active in the NPPES registry as of the last update on 2023-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.