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

Mark Joshua Gatmaitan Bernardo, DO

Individual provider Psychiatry Physician · NPI 1245816602

Mark Joshua Gatmaitan Bernardo, DO is a Psychiatry in Portland, Maine. Graduated from University of New England, College of Osteo Medicine in 2021, 5 years ago. Practices with Mainehealth, a 2,615-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
5
Trained at
University of New England, College of Osteo Medicine
Licensed in
ME
In the registry since
2021
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

22 Bramhall St
Portland, ME 04102-3134
Phone: (207) 662-0111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence DO4070 (ME)

Record details

NPI number1245816602
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 24, 2021
Last updated in NPPESMay 5, 2025
Certification dateMay 5, 2025

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2021 (5 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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