Gregory Martin Metz, M.D.
Allergy Physician · Oklahoma City, OK
Gregory Martin Metz, M.D. is an allergy physician with a practice address in Oklahoma City, Oklahoma, and NPI 1174797062, issued on Apr 22, 2008. Check the license (Oklahoma 27997, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Gregory Martin Metz
- Credential
- M.D.
- Primary taxonomy
- Allergy Physician 207KA0200X
- License numbers
- 27997 OK
122355 NC
Self-reported in NPPES; status is on the state search - Practice location
- 750 NE 13TH Street, Oklahoma City, OK 73104
- Phone
- (405) 235-0040
- Enumerated
- Apr 22, 2008
- Record last updated
- Oct 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (405) 235-4495
- Medicare enrollment
- Enrolled (PECOS I20101230001020); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
7 nearest allergy physician records → All 8 in Oklahoma → Look up another NPI →
Also registered at 750 NE 13TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Gregory, CNSAcute Care Clinical Nurse Specialist1033218896
- Shahan Stutes, M.D.Allergy & Immunology Physician1386867646
Verify Gregory Martin Metz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 27997Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average allergy physician in 2024
1,278 Medicare Part D claims for 237 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D.
Most prescribed
- Montelukast Sodium236 claims
- Azelastine Hcl130 claims
- Fluticasone Propionate116 claims
- Epinephrine92 claims
- Albuterol Sulfate Hfa89 claims
- Ipratropium Bromide84 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 56.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $835.03
31 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 502 providers of this specialty with any payment received $9,080.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Oklahoma Allergy And Asthma ClinicOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allergy Physician providers in Oklahoma
There are 8 allergy physician records in Oklahoma.
All 8 in Oklahoma → Every provider in Oklahoma City → Allergy Physician nationwide →
The 7 allergy physician records with the nearest ZIP codes
- Claire Atkinson, MDOklahoma City, OK 731041255868485
- Martha Tarpay, MDOklahoma City, OK 731201306808928
- David Hurewitz, MDTulsa, OK 741331760463947
- James Love, MDTulsa, OK 741331356322556
- Lodie Naimeh, MDTulsa, OK 741331265413462
- Timothy Nickel, MDTulsa, OK 741331154302354
- Jane Purser, MDTulsa, OK 741331376524561
Common questions
What is Gregory Martin Metz, M.D.'s NPI number?
Gregory Martin Metz, M.D.'s National Provider Identifier (NPI) is 1174797062, issued on Apr 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Martin Metz, M.D. located?
The NPPES record lists a practice address at 750 NE 13TH Street, Oklahoma City, OK, 73104. Phone: (405) 235-0040. Providers update this record themselves, so call before visiting.
How can I verify Gregory Martin Metz, M.D.'s license?
NPPES lists Oklahoma license number 27997, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Martin Metz, M.D. prescribe under Medicare Part D?
In 2024, Gregory Martin Metz, M.D. had 1,278 Medicare Part D claims for 237 beneficiaries; the average among allergy physician prescribers was 750. Part D covers Medicare prescriptions only.
What is Gregory Martin Metz, M.D.'s MIPS final score?
The 2023 MIPS final score is 56.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.