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Active NPI 1649313909 Individual Practitioner Male Practitioner

Mark Johnson

Surgery • Atlanta, GA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Mark Johnson is a certified Surgery practicing in Atlanta, GA. With approximately 38 years of clinical experience since graduating from Tufts University School Of Medicine in 1988, Mark Johnson delivers high-quality medical care to the local community at 1968 PEACHTREE RD NW.

Mark Johnson is affiliated with Halifax Healthcare Systems Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, established patient outpatient office visit, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1968 Peachtree Rd Nw
77 Building 5th Floor

Atlanta, GA 303091281

Telephone 4046054600
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Tufts University School Of Medicine

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Atlanta, GA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
38 Yrs +16.6 yrs vs City Avg
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
57.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnson (38 Years) 38 Yrs
Atlanta Specialty Average (21.4 Years) 21.4 Yrs

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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
72 22 $141.00 $72.35
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
30 11 $176.80 $103.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
27 21 $166.00 $96.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
17 17 $257.00 $130.83
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope
13 13 $381.00 $125.72
50360 Transplantation of donor kidney
12 12 $5838.63 $2410.76

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License FL ME124207

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.

Transplant Surgery

NUCC Taxonomy Code: 204F00000X

State License GA 055843

A surgeon who specializes in transplant surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
015133000 (FL)

Hospital & Practice Group Affiliations

Halifax Healthcare Systems Inc

311 N Clyde Morris Blvd, Daytona Beach, FL 321142766

Phone: 3862544199

Practice Associates & Co-Workers

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

40 Associated Practitioners
Sharonda Davis , NP

Nurse Practitioner - Family

NPI 1033605118

Nurse Practitioner

Mehwish Merchant , APRN

Nurse Practitioner - Family

NPI 1053781344

Advanced Practice Registered Nurse

Dr. Alexander Lemmer , MD

Internal Medicine - Transplant Hepatology

NPI 1104168681

Doctor of Medicine (M.D.)

Dr. John Whelchel , MD

Transplant Surgery

NPI 1104969377

Doctor of Medicine (M.D.)

NPI 1164608014

Doctor of Medicine (M.D.)

Nicole Zavodnick , PA

Physician Assistant

NPI 1174976112

Physician Assistant

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 10, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location July 10, 2015

Registered at 1968 PEACHTREE RD NW, 77 BUILDING 5TH FLOOR, ATLANTA, GA 303091281 (Tel: 4046054600)

📍
Updated Business Mailing Address July 10, 2015

Registered at PO BOX 102321, ATLANTA, GA 303682321

👤
Provider Name / Credentials Updated July 10, 2015

Recorded as MARK JOHNSON

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 10, 2015

Transplant Surgery (License #055843 in GA)

🟢
Initial NPI Registration & Enumeration February 15, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1649313909
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 15, 2007
Last Update: July 10, 2015
Sole Proprietor: No

Mailing Address

Po Box 102321

Atlanta, GA 303682321

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.