Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1730235904 Individual Practitioner Male Practitioner

Gregory Glen Clark , PA

Anesthesiologist Assistant • Marietta, GA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Gregory Clark, PA is a certified Anesthesiologist Assistant practicing in Marietta, GA. With approximately 39 years of clinical experience since graduating from Emory University School Of Medicine in 1987, Gregory Clark delivers high-quality medical care to the local community at 677 CHURCH ST NE.

Gregory Clark is affiliated with Wellstar Medical Group Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for x-ray or radiation therapy, anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

677 Church St Ne

Marietta, GA 300601101

Telephone 7707940477
Fax 7707943108
Associated Practice Facility / Clinic
🏢 Kennestone Hospital, Inc Facility NPI 1578553343

Medicare Profile & Education

Medical School

Emory University School Of Medicine

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiologist Assistant in Marietta, GA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
39 Yrs +23.3 yrs vs City Avg
City Avg: 15.7 Yrs
State Avg: 15.0 Yrs
Regional Practice Density
99 Specialists

Practicing in Marietta, GA (1558 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
92.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Clark (39 Years) 39 Yrs
Marietta Specialty Average (15.7 Years) 15.7 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
01922 Anesthesia for x-ray or radiation therapy
13 13 $1379.48 $99.01

Medical Specialties & State Licenses

CMS Verified: 2026-06-19
Anesthesiologist Assistant Primary Specialty

NUCC Taxonomy Code: 367H00000X

State License GA 1772

An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.

Hospital & Practice Group Affiliations

Wellstar Medical Group Llc

677 Church St Ne, Marietta, GA 300601101

Phone: 4707938585

Wellstar Medical Group Llc

625 Church Nest, Marietta, GA 300601101

Phone: 7704222004

Wellstar Medical Group Llc

677 Church Nest, Marietta, GA 300601101

Wellstar Medical Group Llc

5150 Stilesboro N W Rd, Kennesaw, GA 301527742

Phone: 7704248222

Secondary Practice Locations

146 Bill Carruth Pkwy

Hiram, GA 301413749

Phone: 7707940477

8954 Hospital Dr

Douglasville, GA 301342272

Phone: 7707940477

2540 Windy Hill Rd Se

Marietta, GA 300678605

Phone: 7707940477

531 Roselane St Nw, Suite 750

Marietta, GA 300606913

Phone: 7707940477

1300 Ridenour Blvd Nw Ste 300

Kennesaw, GA 301524402

Phone: 7707021806

Practice Associates & Co-Workers

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

40 Associated Practitioners
Devin Horton , CRNA

Nurse Anesthetist, Certified Registered

NPI 1013459007

Certified Registered Nurse Anesthetist

Raajan Arulampalam , PA

Anesthesiologist Assistant

NPI 1013999887

Physician Assistant

NPI 1033164256

Doctor of Osteopathic Medicine (D.O.)

NPI 1033256490

Doctor of Medicine (M.D.)

Whitney Morrow

Anesthesiologist Assistant

NPI 1033585369
Richard Schellman , PAAA

Anesthesiologist Assistant

NPI 1043293426

Career & Practice History Timeline

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

9 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 19, 2026

Anesthesiologist Assistant (License #1772 in GA)

📍
Updated Business Mailing Address July 14, 2022

Registered at 531 ROSELANE ST NW STE 830, MARIETTA, GA 300606979 (Tel: 7707940477)

📍
Updated Practice Location August 27, 2019

Registered at 677 CHURCH ST NE, MARIETTA, GA 300601101 (Tel: 7707940477)

NPI Profile Active July 24, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location July 24, 2008

Registered at 531 ROSELANE ST NW, SUITE 750, MARIETTA, GA 300606913 (Tel: 7707940477)

📍
Updated Business Mailing Address July 24, 2008

Registered at 202 PALMER CT, WOODSTOCK, GA 301883536 (Tel: 7709281307)

👤
Provider Name / Credentials Updated July 24, 2008

Recorded as GREGORY CLARK, P.A.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 24, 2008

Physician Assistant (License #001772 in GA)

🟢
Initial NPI Registration & Enumeration January 28, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Gregory Clark. Be the first to share your experience!

Sign in to leave a review for Gregory Clark

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1730235904
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 28, 2007
Last Update: June 19, 2026
Sole Proprietor: No

Mailing Address

531 Roselane St Nw Ste 830

Marietta, GA 300606979

Phone: 7707940477

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.