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

Dr. John C Greenawalt, MD

Individual provider Internal Medicine Physician · NPI 1699783795

Dr. John C Greenawalt, MD is an Internal Medicine in Baltimore, Maryland. Qualified in 2000, 26 years ago. Practices with Greater Baltimore Medical Center Inc, a 348-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
26
Licensed in
MD
In the registry since
2006
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

6701 N Charles St Dept OF Medicine Rm 4890
Baltimore, MD 21204-6808
Phone: (443) 849-8046
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 D60248 (MD)
Hospitalist Physician Taxonomy 208M00000X · Licence D60248 (MD)

Record details

NPI number1699783795
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 4, 2006
Last updated in NPPESJuly 13, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Greater Baltimore Medical Center Inc — 348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

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