Active NPI 1356382345 Individual Practitioner Male Practitioner

Dr. Mark Lamont Walker , MD, FACS

Surgery • Atlanta, GA

Professional Overview & Biography Verified Profile Summary

Dr. Mark Walker, MD, FACS is a registered healthcare professional specializing in Surgery in Atlanta, GA. Practice services are available at 777 CLEVELAND AVE SW under active NPI credentials.

Frequently performed procedures and clinical services include critical care, first, follow-up hospital inpatient care per day, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

777 Cleveland Ave Sw
Suite 305

Atlanta, GA 303157129

Telephone 4047617482

Fax 4047618398

Associated Practice Facility / Clinic

🏢 Marmer Medical Eye Center Pc-Dba Atlanta Fashion Optical Facility NPI 1457476731

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Atlanta, GA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 21.4 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

212 Specialists

Practicing in Atlanta, GA (1046 Statewide)

Telehealth Adoption Rate

14.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

86.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	135	16	$618.52	$219.40
99231 Follow-up hospital inpatient care per day, typically 15 minutes	50	15	$402.00	$38.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	19	$1500.00	$199.24
99238 Hospital discharge day management, 30 minutes or less	15	15	$750.00	$71.88
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$871.43	$100.47
99282 Emergency department visit with straightforward medical decision making	11	11	$1000.00	$42.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	102	22	$400.00	$39.71
99238 Hospital discharge day management, 30 minutes or less	23	23	$750.00	$73.92
99221 Initial hospital inpatient care per day, typically 30 minutes	22	22	$850.00	$103.48
99213 Established patient office or other outpatient visit, typically 15 minutes	15	11	$150.00	$76.06
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$1500.00	$204.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	140	31	$400.00	$39.52
99291 Critical care, first 30-74 minutes	66	21	$742.42	$223.77
99238 Hospital discharge day management, 30 minutes or less	31	31	$750.00	$73.26
99221 Initial hospital inpatient care per day, typically 30 minutes	25	25	$876.00	$101.99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	24	$1500.00	$202.87
99213 Established patient office or other outpatient visit, typically 15 minutes	18	13	$150.00	$74.35
99282 Emergency department visit with straightforward medical decision making	14	14	$914.29	$41.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	186	33	$553.76	$211.41
99231 Follow-up hospital inpatient care per day, typically 15 minutes	162	28	$400.00	$37.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	33	$1471.97	$192.56
99238 Hospital discharge day management, 30 minutes or less	29	29	$400.00	$69.33
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$784.62	$96.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	181	26	$610.50	$215.50
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	93	21	$400.00	$100.57
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	31	$1467.74	$195.55
99213 Established patient office or other outpatient visit, typically 15 minutes	29	20	$150.00	$70.58
99238 Hospital discharge day management, 30 minutes or less	27	27	$400.00	$69.89

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License GA 026953

A 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 soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery - Surgical Critical Care

NUCC Taxonomy Code: 2086S0102X

State License GA 026953

A 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 dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

000298284E (GA)

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Stanston Spence , MD

Surgery - Surgical Critical Care

NPI 1821027442

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active March 26, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location March 26, 2015

Registered at 777 CLEVELAND AVE SW, SUITE 305, ATLANTA, GA 303157129 (Tel: 4047617482)

📍

Updated Business Mailing Address March 26, 2015

Registered at 777 CLEVELAND AVE SW, SUITE 305, ATLANTA, GA 303157129 (Tel: 4047617482)

👤

Provider Name / Credentials Updated March 26, 2015

Recorded as MARK WALKER, M.D., F.A.C.S.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 26, 2015

Surgery (License #026953 in GA)

🟢

Initial NPI Registration & Enumeration June 09, 2006

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 Dr. Mark Walker. Be the first to share your experience!

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

NPI Administrative Meta

NPI Number: 1356382345

Entity Type:

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

Enumeration Date: June 09, 2006

Last Update: March 26, 2015

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

777 Cleveland Ave Sw, Suite 305

Atlanta, GA 303157129

Phone: 4047617482

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.