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

Andrew B. Johnson, MD

Individual provider Psychiatry Physician · NPI 1972584233

Andrew B. Johnson, MD is a Psychiatry in Frederick, Maryland. Graduated from University of Texas Medical School at Houston in 1997, 29 years ago. Practices with Carroll Health Group LLC, a 70-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
29
Trained at
University of Texas Medical School at Houston
Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5301 Buckeystown Pike
Frederick, MD 21704-8370
Phone: (301) 733-0330
Fax: (301) 733-4038
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5301 Buckeystown Pike, Frederick, MD 21704-8370 — (301) 733-0330

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence D0072986 (MD)

Record details

NPI number1972584233
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 14, 2005
Last updated in NPPESFebruary 15, 2018
Mailing address13121 Brook Lane, Hagerstown, MD 21742-1514

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1997 (29 years in practice)
Group practice Carroll Health Group Llc — 70 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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