Doctor profile · Federal record
Dr. Gregory Gerlock, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Bristol, TN
- NPI 1114987740
- Accepts Medicare
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Medical Park Blvd
Bristol, TN 376207430
(423) 844-2100
fax (423) 844-2120 - Mailing address
-
Po Box 11724
Knoxville, TN 379391724
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- July 7, 2021
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Tennessee #20852
- Medicaid
- TN #3066145
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114987740. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
124
Distinct HCPCS
3
Medicare allowed
$12,504
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 57 | 55 | $115 | |
99285 |
Emergency department visit with high level of medical decision making | 34 | 34 | $167 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 33 | 31 | $8 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 119. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
73
Patients
73
Total drug cost
$533
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 27 | 27 | $81 |
| Cephalexin | Generic | 22 | 22 | $235 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $166 |
| Ondansetron Odt (Ondansetron) | Brand | 11 | 11 | $51 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Gerlock's medical specialty?
Dr. Gregory Gerlock practices Emergency Medicine Physician in Bristol, TN.
Where does Dr. Gregory Gerlock practice?
Dr. Gregory Gerlock practices at 1 Medical Park Blvd, Bristol, TN 376207430. Office phone: 4238442100.
What is Dr. Gregory Gerlock's NPI?
Dr. Gregory Gerlock's National Provider Identifier (NPI) is 1114987740, issued by NPPES.
Does Dr. Gregory Gerlock accept Medicare assignment?
Yes. Dr. Gregory Gerlock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Gerlock commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); 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). Source: CMS Medicare Physician & Other Practitioners file.