Doctor profile · Federal record

Dr. Gary Oates, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Marietta, OH

  • NPI 1518169986
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
401 Matthew St, Emergency Department
Marietta, OH 457501635
(740) 376-1939
fax (740) 374-1693
Additional location
799 Farson St, Emergency Dept
Belpre, OH 457141044
(740) 401-1150
fax (740) 401-1155
Mailing address
Po Box 449
Marietta, OH 457500449

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
April 15, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Ohio #35089675 · West Virginia #22629

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518169986. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
853
Distinct HCPCS
4
Medicare allowed
$107,130
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 495 461 $175
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 190 184 $8
99284 Emergency department visit with moderate level of medical decision making 147 144 $120
99283 Emergency department visit with low level of medical decision making 21 21 $72

In context: peer comparison

Among 25 peers in this city , average services per provider: 113. This provider delivers 7.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $17.40

By nature of payment

Food and Beverage
$17

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Oates's medical specialty?
Dr. Gary Oates practices Emergency Medicine Physician in Marietta, OH.
Where does Dr. Gary Oates practice?
Dr. Gary Oates practices at 401 Matthew St, Marietta, OH 457501635. Office phone: 7403761939.
What is Dr. Gary Oates's NPI?
Dr. Gary Oates's National Provider Identifier (NPI) is 1518169986, issued by NPPES.
Does Dr. Gary Oates accept Medicare assignment?
Yes. Dr. Gary Oates accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Oates commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.