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General Surgery

Michael Johnson, MD

Sees patients in Lutherville, MD · Woodbury, NJ · Silver Spring, MD · Maryland, New Jersey

Summary

Michael Johnson, MD (General Surgery) is enrolled with Medicare at 3 practice locations in Lutherville, MD, Woodbury, NJ and Silver Spring, MD. NPI 1144365974. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Johnson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

General SurgeryPrimary specialty
YesAccepts Medicare assignment
47Years since medical school (graduated 1979)
University Of Michigan Medical SchoolMedical school
MaleGender (as listed)
Patient First Maryland Medical Group PLLCGroup practice (+1 more)

Quick answers

Where does Michael Johnson see patients?
Medicare's clinician data lists 3 practice locations, including Lutherville, MD, Woodbury, NJ and Silver Spring, MD. Call before your visit to confirm the address.
What is Michael Johnson's specialty?
Medicare lists General Surgery as the primary specialty.
Does Michael Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Michael Johnson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Michael Johnson?
(410) 583-2777, as listed in official Medicare / NPI Registry data.
What is Michael Johnson's NPI number?
1144365974. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Michael Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael Johnson as a member of these groups (CMS data updated 2026-10-02).

  • Patient First Maryland Medical Group PLLC254 clinicians in the group
  • Patient First New Jersey Physicians Group LLC40 clinicians in the group

Specialties

Find other General Surgery doctors in Maryland →

Other general surgeons in Lutherville

Clinicians with the same Medicare primary specialty in Lutherville, MD — not a recommendation.

All general surgeons in Lutherville →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1979
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144365974
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians