Doctor profile · Federal record

Dr. Gregory Metz, M.D.

Allergy Physician (CMS: Allergy/Immunology) · Specialist · Allergy Physician · Oklahoma City, OK

  • NPI 1174797062
  • Accepts Medicare
  • MIPS 56.1 / 100 · 2023
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
750 Ne 13Th Street
Oklahoma City, OK 731045051
(405) 235-0040
fax (405) 235-4495

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
October 12, 2016
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207KA0200X — NUCC code
State licenses (2)
Oklahoma #27997 · North Carolina #122355

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174797062. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
15,225
Distinct HCPCS
10
Medicare allowed
$188,573
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 8,176 148 $13
95004 Test for allergy using allergenic extract 3,215 66 $4
95117 Professional service for multiple injections of allergen 1,508 85 $10
95115 Professional service for single injection of allergen 828 43 $9
95044 Test for allergy using skin patch 742 14 $4
95024 Test for allergy using allergenic extract injected into skin 331 26 $7
99214 Established patient office or other outpatient visit, 30-39 minutes 145 111 $117
99213 Established patient office or other outpatient visit, 20-29 minutes 142 125 $81
99204 New patient office or other outpatient visit, 45-59 minutes 37 37 $155
94010 Test to measure expiratory airflow and volume 33 32 $24

In context: peer comparison

Among 2 peers in this city , average services per provider: 948. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$835
Transactions
31
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, Inc. 5 $181.24
AstraZeneca Pharmaceuticals LP 5 $136.54
ALK-Abello, Inc 3 $83.28
Amgen Inc. 3 $61.49
GENZYME CORPORATION 2 $61.26
PFIZER INC. 2 $50.79
CSL Behring 2 $48.16
Pharming Healthcare, Inc. 2 $41.98
GlaxoSmithKline, LLC. 2 $35.09
Genentech, Inc. 1 $35.00
Takeda Pharmaceuticals U.S.A., Inc. 1 $27.78
Dermavant Sciences, Inc. 1 $25.39
Genentech USA, Inc. 1 $24.79
Blueprint Medicines Corporation 1 $22.24

By nature of payment

Food and Beverage
$740
Education
$95

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
845
Patients
288
Total drug cost
$189,734
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 208 60 $4,695
Epinephrine Generic 93 84 $22,900
Azelastine Hcl Generic 83 42 $3,811
Fluticasone Propionate Generic 81 29 $2,175
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 59 28 $1,647
Ipratropium Bromide Generic 53 23 $1,986
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 46 11 $45,832
Levocetirizine Dihydrochloride Generic 40 11 $1,522
Flovent Hfa (Fluticasone Propionate) Brand 38 0 $15,250
Breo Ellipta (Fluticasone/Vilanterol) Brand 32 0 $17,983

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Metz's medical specialty?
Dr. Gregory Metz practices Allergy Physician in Oklahoma City, OK.
Where does Dr. Gregory Metz practice?
Dr. Gregory Metz practices at 750 Ne 13Th Street, Oklahoma City, OK 731045051. Office phone: 4052350040.
What is Dr. Gregory Metz's NPI?
Dr. Gregory Metz's National Provider Identifier (NPI) is 1174797062, issued by NPPES.
Does Dr. Gregory Metz accept Medicare assignment?
Yes. Dr. Gregory Metz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Metz commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Test for allergy using allergenic extract (HCPCS 95004); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.