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

Dr. Christina Houston Clark, MD

Individual provider Internal Medicine Physician · NPI 1689251340

Dr. Christina Houston Clark, MD is a Hospitalist in Portland, Maine. Graduated from George Washington University School of Medicine in 2021, 5 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
5
Trained at
George Washington University School of Medicine
Licensed in
ME
In the registry since
2021
Specialties on file
3
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 Bramhall St
Portland, ME 04102-3175
Phone: (207) 662-0111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD28024 (ME)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD28024 (ME)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1689251340
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 26, 2021
Last updated in NPPESSeptember 4, 2024
Certification dateSeptember 4, 2024

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2021 (5 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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