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

Dr. John Davis Butler Jr., MD

Individual provider Surgery Physician · NPI 1447303458

Dr. John Davis Butler Jr., MD is a General Surgery in Gaithersburg, Maryland. Graduated from Johns Hopkins University School of Medicine in 1986, 40 years ago. Practices with Kaiser Foundation Health Plan of the Mid Atlantic States, Inc, a 1,934-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
40
Trained at
Johns Hopkins University School of Medicine
Licensed in
DC
In the registry since
2007
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

655 Watkins Mill Rd Fl 6
Gaithersburg, MD 20879-3301
Phone: (240) 632-4475
Show map & directions

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

Additional practice locations (1)

  • 700 2nd St Ne, Washington, DC 20002-8100 — (202) 346-3850

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 17730 (DC)

Record details

NPI number1447303458
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 21, 2007
Last updated in NPPESJune 10, 2021
Certification dateJune 10, 2021

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc — 1934 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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