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

John C. Allen, MD

Individual provider Internal Medicine Physician · NPI 1023436839

John C. Allen, MD is an Internal Medicine in Baltimore, Maryland. Graduated from University of Maryland School of Medicine in 2014, 12 years ago. Practices with Agape Physical Therapy and Sports Rehabilitation LP, a 677-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
12
Trained at
University of Maryland School of Medicine
Licensed in
MD
In the registry since
2014
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
Phone: (672) 141-5156
Fax: (410) 328-3577
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D83158 (MD)

Record details

NPI number1023436839
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2014
Last updated in NPPESNovember 30, 2021
Certification dateNovember 30, 2021
Mailing addressPo Box 64442, Baltimore, MD 21264-4442

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Agape Physical Therapy And Sports Rehabilitation Lp — 677 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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