JOHN HARMON M.D.
NPI 1356391494
Surgery in Baltimore, MD

Active since May 11, 2006
600 N WOLFE ST, BALTIMORE, MD 21287(410) 955-9441 Get Directions Write a Review

NPPES record last updated: August 16, 2022. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About John Harmon M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN HARMON M.D. (NPI 1356391494) is an individual surgery provider in Baltimore, Maryland, licensed in Maryland (D51080) and active in the NPI registry since May 2006. He maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1356391494
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameJOHN HARMONCredential: M.D.
Location Address600 N WOLFE STBaltimore, MD 21287-0005
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004
Sole ProprietorNo
Enumeration DateMay 11, 2006
Last NPPES UpdateAugust 16, 2022
NPPES CertifiedAugust 16, 2022
✔ NPI 1356391494 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MD · D51080
Definition
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.
600 N WOLFE ST, Baltimore, MD 21287

Secondary Practice Location 1

Location 14940 Eastern AveBaltimore, MD 21224-2735 · Phone (410) 550-0400

Other Identifiers 1

Medicaid404951900MD

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant (Medical)
600 N WOLFE ST, NELSON 2-133
BALTIMORE, MD 21287
Physician Assistant
600 N WOLFE ST, MARBURG B-186
BALTIMORE, MD 21287
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Dental Hygienist
600 N WOLFE ST, BLALOCK 266
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine (Medical Oncology)
600 N WOLFE ST
BALTIMORE, MD 21287
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST
BALTIMORE, MD 21287

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Harmon's NPI number?

The NPI number for John Harmon is 1356391494. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is John Harmon located?

John Harmon practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-9441.

What is John Harmon's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

When was this NPI record last updated?

The NPPES record for John Harmon was last updated on August 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.