Gregory Metz, M.D.
NPI 1174797062 · Allergy Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Metz, M.D. is a Allergy Physician provider in Oklahoma City, OK (NPI 1174797062).
Provider details
- NPI number
- 1174797062
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 27997 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
18,258 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) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 10,529 | $13 |
| Test for Allergy Using Allergenic Extract95004 | 3,463 | $3 |
| Professional Service for Multiple Injections of Allergen95117 | 2,282 | $11 |
| Professional Service for Single Injection of Allergen95115 | 951 | $9 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 376 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 224 | $114 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 236 | 64 |
| Azelastine Hcl | 130 | 66 |
| Fluticasone Propionate | 116 | 35 |
| Epinephrine | 92 | 84 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 89 | 41 |
| Ipratropium Bromide | 84 | 31 |
| Levocetirizine Dihydrochloride | 56 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$835 across 31 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
- 2008-04-22
- Last updated
- 2016-10-12
Frequently asked questions
- What is Gregory Metz's NPI number?
- Gregory Metz's National Provider Identifier (NPI) is 1174797062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Metz's specialty?
- Gregory Metz is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Metz located?
- Gregory Metz's practice location on file with NPPES is 750 Ne 13th Street, Oklahoma City, OK 73104-5051.
- What is Gregory Metz's phone number?
- The practice phone number listed in the NPPES registry for Gregory Metz is (405) 235-0040.
- Does Gregory Metz accept Medicare?
- Gregory Metz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Metz's NPI active?
- Yes — Gregory Metz's NPI (1174797062) is active in the NPPES registry as of the last update on 2016-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.