John Campbell, MD
NPI 1922108836 · Psychiatry Physician · Portland, ME
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Campbell, MD is a Psychiatry Physician provider in Portland, ME (NPI 1922108836).
Provider details
- NPI number
- 1922108836
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 016243 (ME)
Specialties & taxonomies
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
- 2006-09-22
- Last updated
- 2009-02-02
Frequently asked questions
- What is John Campbell's NPI number?
- John Campbell's National Provider Identifier (NPI) is 1922108836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Campbell's specialty?
- John Campbell is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Campbell located?
- John Campbell's practice location on file with NPPES is 22 Bramhall St, Portland, ME 04102-3134.
- What is John Campbell's phone number?
- The practice phone number listed in the NPPES registry for John Campbell is (207) 662-3287.
- Does John Campbell accept Medicare?
- John Campbell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Campbell's NPI active?
- Yes — John Campbell's NPI (1922108836) is active in the NPPES registry as of the last update on 2009-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.