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

Gregory Constantine, MD

Individual provider Allergy & Immunology (Internal Medicine) Physician · NPI 1881038107

Gregory Constantine, MD is a Hospitalist in Bethesda, Maryland. Graduated from University of Texas Medical School at San Antonio in 2013, 13 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia and Texas.

Years since qualifying
13
Trained at
University of Texas Medical School at San Antonio
Licensed in
DC, TX
In the registry since
2013
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

10 Center Dr
Bethesda, MD 20814
Phone: (301) 761-7966
Show map & directions

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

Additional practice locations (1)

  • One Baylor Plaza, Houston, TX 77030 — (713) 798-5585

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence BP10046658 (TX)
Allergy & Immunology (Internal Medicine) Physician Taxonomy 207RA0201X · Licence MD045198 (DC)

Record details

NPI number1881038107
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 18, 2013
Last updated in NPPESJuly 11, 2019

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 2013 (13 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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