Active NPI 1114987740 Individual Practitioner Male Practitioner

Dr. Gregory A Gerlock , MD

Emergency Medicine • Bristol, TN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Gerlock, MD is a certified Emergency Medicine practicing in Bristol, TN. With approximately 37 years of clinical experience since graduating from Medical College Of Georgia School Of Medicine in 1989, Dr. Gerlock delivers high-quality medical care to the local community at 1 MEDICAL PARK BLVD.

Dr. Gerlock is affiliated with Tri-Cities Regional Emergency Physicians, Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include emergency department visit with moderate level of medical decision making, emergency department visit for life threatening or functioning severity, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1 Medical Park Blvd

Bristol, TN 376207430

Telephone 4238442100

Fax 4238442120

Associated Practice Facility / Clinic

🏢 Medical Mall Pharmacy Inc Facility NPI 1598768699

Medicare Profile & Education

Medical School

Medical College Of Georgia School Of Medicine

Graduation Year

1989

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Bristol, TN

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

37 Yrs +11.4 yrs vs City Avg

City Avg: 25.6 Yrs

State Avg: 24.9 Yrs

Regional Practice Density

13 Specialists

Practicing in Bristol, TN (1229 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

92.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gerlock (37 Years) 37 Yrs

Bristol Specialty Average (25.6 Years) 25.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	51	51	$1487.00	$111.96
99285 Emergency department visit for life threatening or functioning severity	35	33	$2194.00	$162.00
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	31	29	$109.00	$7.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	57	55	$1416.00	$115.11
99285 Emergency department visit for life threatening or functioning severity	34	34	$2089.00	$167.23
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	33	31	$103.00	$7.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	28	27	$2089.00	$169.81
99283 Emergency department visit with low level of medical decision making	24	24	$747.00	$68.65
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	22	19	$103.00	$7.95
99284 Emergency department visit with moderate level of medical decision making	20	20	$1416.00	$116.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	36	34	$1834.36	$169.71
99284 Emergency department visit with moderate level of medical decision making	26	26	$1267.69	$118.28
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	25	23	$88.60	$8.05
99283 Emergency department visit with low level of medical decision making	24	24	$716.67	$69.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	251	244	$1619.09	$167.16
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	146	142	$82.00	$8.23
99284 Emergency department visit with moderate level of medical decision making	68	67	$1102.76	$114.33
99291 Critical care, first 30-74 minutes	46	46	$2082.52	$215.83
99283 Emergency department visit with low level of medical decision making	25	24	$603.36	$63.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	422	407	$1539.69	$166.31
99284 Emergency department visit with moderate level of medical decision making	87	85	$1034.49	$113.46
99291 Critical care, first 30-74 minutes	84	83	$2003.64	$214.10
99283 Emergency department visit with low level of medical decision making	40	40	$561.05	$58.86
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	18	18	$82.00	$8.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	404	389	$1165.78	$165.14
99284 Emergency department visit with moderate level of medical decision making	136	135	$791.43	$111.75
99291 Critical care, first 30-74 minutes	98	97	$1367.14	$212.10
99283 Emergency department visit with low level of medical decision making	71	70	$507.93	$58.69
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	11	11	$46.00	$11.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	542	520	$1049.81	$163.83
99284 Emergency department visit with moderate level of medical decision making	157	154	$710.32	$111.72
99283 Emergency department visit with low level of medical decision making	108	106	$473.56	$58.98
99291 Critical care, first 30-74 minutes	83	82	$1161.11	$210.95
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	30	30	$47.27	$11.69

Medical Specialties & State Licenses

CMS Verified: 2021-07-07

Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License TN 20852

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

3066145 (TN)

Hospital & Practice Group Affiliations

Tri-Cities Regional Emergency Physicians, Pc

851 Locust St, Rogersville, TN 378572407

Phone: 4238577000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

9 Associated Practitioners

Dr. Thomas Kitts , MD

Emergency Medicine

NPI 1023078656

Doctor of Medicine (M.D.)

Dr. Curtis Drumwright , MD

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NPI 1205896834

Doctor of Medicine (M.D.)

Dr. Miranda Moretz , MD

Emergency Medicine

NPI 1255529509

Doctor of Medicine (M.D.)

Dr. Kenneth Turner , MD

Emergency Medicine

NPI 1396710620

Doctor of Medicine (M.D.)

Dr. James Luna , MD

Emergency Medicine

NPI 1407963507

Doctor of Medicine (M.D.)

Dr. Steven Parrish , MD

Emergency Medicine

NPI 1487655361

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

13 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 07, 2021

Emergency Medicine (License #20852 in TN)

✅

NPI Profile Active February 27, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location February 27, 2017

Registered at 1 MEDICAL PARK BLVD, BRISTOL, TN 376207430 (Tel: 4238442100)

📍

Updated Business Mailing Address February 27, 2017

Registered at PO BOX 11724, KNOXVILLE, TN 379391724 (Tel: 4238442100)

👤

Provider Name / Credentials Updated February 27, 2017

Recorded as GREGORY GERLOCK, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 27, 2017

Emergency Medicine (License #MD20825 in TN)

👤

Provider Name / Credentials Updated January 25, 2017

Recorded as GREGORY GERLOCK, MD

✅

NPI Profile Active July 19, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location July 19, 2011

Registered at 1 MEDICAL PARK BLVD, BRISTOL, TN 376207430 (Tel: 4238442100)

📍

Updated Business Mailing Address July 19, 2011

Registered at PO BOX 11724, KNOXVILLE, TN 379391724 (Tel: 4238442100)

👤

Provider Name / Credentials Updated July 19, 2011

Recorded as GREG GERLOCK, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 19, 2011

Emergency Medicine (License #MD20825 in TN)

🟢

Initial NPI Registration & Enumeration March 27, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1114987740

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: March 27, 2006

Last Update: July 07, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 11724

Knoxville, TN 379391724

Phone: 4238442100

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.