Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1235142357 Individual Practitioner Male Practitioner

Dr. Mark Stephen Johnson , MD

Surgery • Portsmouth, VA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Johnson, MD is a certified Surgery practicing in Portsmouth, VA. With approximately 20 years of clinical experience since graduating from University Of Massachusetts Medical School in 2006, Dr. Johnson delivers high-quality medical care to the local community at 620 JOHN PAUL JONES CIR.

Dr. Johnson is affiliated with Chesapeake Regional Medical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include follow-up hospital inpatient care per day, initial hospital inpatient care per day, initial hospital care with straightforward or low-level 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

620 John Paul Jones Cir

Portsmouth, VA 237082111

Telephone 7579532154
Associated Practice Facility / Clinic
🏢 Portsmouth Naval Hospital Facility NPI 1619939089

Medicare Profile & Education

Medical School

University Of Massachusetts Medical School

Graduation Year

2006

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Portsmouth, VA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
20 Yrs +1.0 yrs vs City Avg
City Avg: 19.0 Yrs
State Avg: 24.6 Yrs
Regional Practice Density
34 Specialists

Practicing in Portsmouth, VA (909 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
45.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnson (20 Years) 20 Yrs
Portsmouth Specialty Average (19.0 Years) 19.0 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
99231 Follow-up hospital inpatient care per day, typically 15 minutes
27 19 $85.93 $47.03
99221 Initial hospital inpatient care per day, typically 30 minutes
12 12 $144.84 $79.14

Medical Specialties & State Licenses

CMS Verified: 2024-09-24
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License VA 0101248712

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

NUCC Taxonomy Code: 208600000X

State License NC 2015-00091

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.

Hospital & Practice Group Affiliations

Chesapeake Regional Medical Group

300 Medical Pkwy, Chesapeake, VA 233204985

Chesapeake Regional Medical Group

744 Battlefield Blvd N, Chesapeake, VA 233204941

Phone: 7573123132

Chesapeake Regional Medical Group

736 Battlefield Blvd N, Chesapeake, VA 233204941

Phone: 7573126102

Secondary Practice Locations

Us Marine Forces Command 2775 Forrestal Ave Bldg 33

Norfolk, VA 235151714

Phone: 7578361552

113 Gainsborough Sq Ste 400

Chesapeake, VA 233201714

Phone: 7578424499

500 Sentara Cir Ste 202

Williamsburg, VA 231885727

Phone: 7579849850

1250 E Marshall St

Richmond, VA 232985023

Phone: 8048271207

11958 W Broad St

Henrico, VA 232331007

Phone: 8043606449

1213 E Clay St

Richmond, VA 232985071

Phone: 8048271207

Practice Associates & Co-Workers

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

40 Associated Practitioners
Meredith Tverdosi , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003214677

Certified Registered Nurse Anesthetist

Eric Sulava

Emergency Medicine

NPI 1003276247
Tiffny Kuper , RHH

Dental Hygienist

NPI 1003305376
Dr. Kaylie Ludwig , MD

Student in an Organized Health Care Education/Training Program

NPI 1003354796

Doctor of Medicine (M.D.)

NPI 1003356312

Doctor of Pharmacy (Pharm.D.)

NPI 1003441478

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

12 Historical Events
📍
Updated Practice Location April 22, 2022

Registered at 620 JOHN PAUL JONES CIR, PORTSMOUTH, VA 237082111 (Tel: 7579532154)

👤
Provider Name / Credentials Updated April 22, 2022

Recorded as MARK JOHNSON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 22, 2022

Surgery (License #2015-00091 in NC)

📍
Updated Practice Location August 02, 2021

Registered at US MARINE FORCES COMMAND 2775 FORRESTAL AVE BLDG 33, NORFOLK, VA 235151714 (Tel: 7578361552)

📍
Updated Practice Location July 07, 2021

Registered at 113 GAINSBOROUGH SQ STE 400, CHESAPEAKE, VA 233201714 (Tel: 7578424499)

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

Surgery (License #0101248712 in VA)

NPI Profile Active October 27, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location October 27, 2016

Registered at 620 JOHN PAUL JONES CIR, PORTSMOUTH, VA 237082111 (Tel: 7579532154)

📍
Updated Business Mailing Address October 27, 2016

Registered at 620 JOHN PAUL JONES CIR, PORTSMOUTH, VA 237082111 (Tel: 7579532154)

👤
Provider Name / Credentials Updated October 27, 2016

Recorded as MARK JOHNSON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 27, 2016

Surgery (License #2015-00091 in NC)

🟢
Initial NPI Registration & Enumeration August 14, 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 Johnson. Be the first to share your experience!

Sign in to leave a review for Dr. Mark Johnson

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

NPI Administrative Meta

NPI Number: 1235142357
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 14, 2006
Last Update: September 24, 2024
Sole Proprietor: No

Mailing Address

620 John Paul Jones Cir

Portsmouth, VA 237082111

Phone: 7579532154

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.