Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1356391494 Individual Practitioner Male Practitioner

Dr. John Harmon , MD

Surgery • Baltimore, MD

Professional Overview & Biography Verified Profile Summary

Dr. John Harmon, MD is a registered healthcare professional specializing in Surgery in Baltimore, MD. Practice services are available at 600 N WOLFE ST under active NPI credentials.

Frequently performed procedures and clinical services include 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

600 N Wolfe St

Baltimore, MD 212870005

Telephone 4109559441
Associated Practice Facility / Clinic
🏢 Johns Hopkins University Facility NPI 1801891080

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Baltimore, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 22.8 Yrs
State Avg: 28.6 Yrs
Regional Practice Density
266 Specialists

Practicing in Baltimore, MD (717 Statewide)

Telehealth Adoption Rate
12.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
62.3% 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 (2018)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
18 17 $243.00 $82.99
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
13 13 $239.00 $101.10
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
13 13 $408.00 $137.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
13 13 $239.00 $81.87
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
11 11 $408.00 $175.73

Medical Specialties & State Licenses

CMS Verified: 2022-08-16
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MD D51080

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
404951900 (MD)

Secondary Practice Locations

4940 Eastern Ave

Baltimore, MD 212242735

Phone: 4105500400

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Jamshid Danaie , MD

Radiology - Diagnostic Radiology

NPI 1003888488

Doctor of Medicine (M.D.)

NPI 1013996453

Doctor of Optometry

Dr. Anne Comi , MD

Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology

NPI 1023062114

Doctor of Medicine (M.D.)

NPI 1043734262

Doctor of Medicine (M.D.)

Dr. Douglas Kerr , MD

Psychiatry & Neurology - Neurology

NPI 1053352278

Doctor of Medicine (M.D.)

Dr. David Newman-Toker , MD

Psychiatry & Neurology - Neurology

NPI 1073566873

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location August 16, 2022

Registered at 600 N WOLFE ST, BALTIMORE, MD 212870005 (Tel: 4109559441)

📍
Updated Business Mailing Address August 16, 2022

Registered at 6201 GREENLEIGH AVE, MIDDLE RIVER, MD 212202004

NPI Profile Active February 07, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location February 07, 2013

Registered at 4940 EASTERN AVE, BALTIMORE, MD 212242735 (Tel: 4105500400)

📍
Updated Business Mailing Address February 07, 2013

Registered at PO BOX 64563, BALTIMORE, MD 212644563 (Tel: 4105500400)

👤
Provider Name / Credentials Updated February 07, 2013

Recorded as JOHN HARMON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 07, 2013

Surgery (License #D51080 in MD)

🟢
Initial NPI Registration & Enumeration May 11, 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. John Harmon. Be the first to share your experience!

Sign in to leave a review for Dr. John Harmon

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

NPI Administrative Meta

NPI Number: 1356391494
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 11, 2006
Last Update: August 16, 2022
Sole Proprietor: No

Mailing Address

6201 Greenleigh Ave

Middle River, MD 212202004

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.