David Walter, D.O.
NPI 1487868394 · Child & Adolescent Psychiatry Physician · Portland, ME
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Walter, D.O. is a Child & Adolescent Psychiatry Physician provider in Portland, ME (NPI 1487868394).
Provider details
- NPI number
- 1487868394
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1537 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-09
- Last updated
- 2025-10-08
- Certified
- 2025-10-08
Frequently asked questions
- What is David Walter's NPI number?
- David Walter's National Provider Identifier (NPI) is 1487868394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Walter's specialty?
- David Walter is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is David Walter located?
- David Walter's practice location on file with NPPES is 25 Middle Street, Portland, ME 04101.
- What is David Walter's phone number?
- The practice phone number listed in the NPPES registry for David Walter is (207) 321-8300.
- Does David Walter accept Medicare?
- David Walter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Walter's NPI active?
- Yes — David Walter's NPI (1487868394) is active in the NPPES registry as of the last update on 2025-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.