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

David Walter, DO

Individual provider Child & Adolescent Psychiatry Physician · NPI 1487868394

David Walter, DO is a Psychiatry in Portland, Maine. Graduated from Philadelphia College of Osteopathic Medicine in 1993, 33 years ago. Practices with Acadia Hospital Corp, a 86-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maine.

Years since qualifying
33
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
ME
In the registry since
2007
Specialties on file
2
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.

See every abbreviation used in this directory →

Practice location Address checks out

25 Middle St
Portland, ME 04101
Phone: (207) 321-8300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence DO1537 (ME)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 1537 (ME)

Record details

NPI number1487868394
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 9, 2007
Last updated in NPPESOctober 8, 2025
Certification dateOctober 8, 2025
Mailing address25 Middle Street, Portland, ME 04101

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1993 (33 years in practice)
Group practice Acadia Hospital Corp. — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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