John Allyn, M.D.
NPI 1144312224 · Anesthesiology Physician · Portland, ME
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Allyn, M.D. is a Anesthesiology Physician provider in Portland, ME (NPI 1144312224).
Provider details
- NPI number
- 1144312224
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD13916 (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
- 2006-09-28
- Last updated
- 2015-10-26
Frequently asked questions
- What is John Allyn's NPI number?
- John Allyn's National Provider Identifier (NPI) is 1144312224, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Allyn's specialty?
- John Allyn is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Allyn located?
- John Allyn's practice location on file with NPPES is 22 Bramhall Street, Portland, ME 04102.
- What is John Allyn's phone number?
- The practice phone number listed in the NPPES registry for John Allyn is (207) 662-2526.
- Does John Allyn accept Medicare?
- John Allyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Allyn's NPI active?
- Yes — John Allyn's NPI (1144312224) is active in the NPPES registry as of the last update on 2015-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.