NPI age
19 years
Enumerated 2006-06-09
● Active
Type 1 · Individual
DR. Mark Lamont Walker, M.D., F.A.C.S.
Walker is 1 of 232 surgery providers in Atlanta and 1 of 1389 in Georgia.
Primary specialty
Surgery
Plus 1 subspecialty
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2015-03-26
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 1389 active surgery providers in Georgia.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
1 state
14% of peers hold multiple states
Subspecialties
1
In the 28% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
777 Cleveland Ave Sw, Suite 305
Atlanta, GA 303157129
Mailing address
777 Cleveland Ave Sw, Suite 305
Atlanta, GA 303157129
Specialties
-
Surgery PrimaryA general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and...
-
SurgeryA surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (GA) | 000298284E |
Practice context
Part of a multi-provider practice. 29 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new surgery provider has been added in Atlanta in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.