Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Aaron J Johnson, MD

Individual provider Orthopaedic Trauma Physician · NPI 1538420641

Dr. Aaron J Johnson, MD is an Orthopedic Surgery in Baltimore, Maryland. Graduated from University of Maryland School of Medicine in 2009, 17 years ago. Practices with Meritus Medical Center Inc, a 746-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
17
Trained at
University of Maryland School of Medicine
Licensed in
MD
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

22 S Greene St
Baltimore, MD 21201-1544
Phone: (410) 448-6400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1250 E Marshall St # 980153, Richmond, VA 23298-5051 — (804) 628-2676

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence D85157 (MD)
Orthopaedic Trauma Physician Taxonomy 207XX0801X · Licence D85157 (MD)

Record details

NPI number1538420641
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2012
Last updated in NPPESJuly 22, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Meritus Medical Center Inc — 746 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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