Gregory Blair, MD
NPI 1417999616 · Internal Medicine Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Blair, MD is a Internal Medicine Physician provider in Oklahoma City, OK (NPI 1417999616).
Provider details
- NPI number
- 1417999616
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 19544 (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
20 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
799 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 352 | $111 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 173 | $107 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 130 | $162 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 90 | $74 |
| Critical Care, First 30-74 Minutes99291 | 36 | $199 |
| Advance Care Planning, First 30 Minutes99497 | 18 | $70 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 26 | 14 |
| Prednisone | 22 | 18 |
| Furosemide | 22 | 13 |
| Amiodarone Hcl | 20 | — |
| Amlodipine Besylate | 20 | — |
| Clopidogrel Bisulfatebrand: Clopidogrel | 19 | — |
| Apixabanbrand: Eliquis | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$52 across 2 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
- 2006-06-12
- Last updated
- 2013-02-14
Frequently asked questions
- What is Gregory Blair's NPI number?
- Gregory Blair's National Provider Identifier (NPI) is 1417999616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Blair's specialty?
- Gregory Blair is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Blair located?
- Gregory Blair's practice location on file with NPPES is 7 S Mickey Mantle Dr, Oklahoma City, OK 73104-2458.
- What is Gregory Blair's phone number?
- The practice phone number listed in the NPPES registry for Gregory Blair is (405) 232-0101.
- Does Gregory Blair accept Medicare?
- Gregory Blair is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Blair's NPI active?
- Yes — Gregory Blair's NPI (1417999616) is active in the NPPES registry as of the last update on 2013-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.