Ryan Demmendaal, MD
NPI 1245932607 · Emergency Medicine Physician · Farmington, ME
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Demmendaal, MD is a Emergency Medicine Physician provider in Farmington, ME (NPI 1245932607).
Provider details
- NPI number
- 1245932607
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD29926 (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
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 22 Bramhall StPortland, ME 04102-3175Phone: (207) 662-0111
Registry dates
- Enumerated
- 2023-03-20
- Last updated
- 2025-11-20
- Certified
- 2025-11-20
Frequently asked questions
- What is Ryan Demmendaal's NPI number?
- Ryan Demmendaal's National Provider Identifier (NPI) is 1245932607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Demmendaal's specialty?
- Ryan Demmendaal is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Demmendaal located?
- Ryan Demmendaal's practice location on file with NPPES is 111 Franklin Health Cmns, Farmington, ME 04938-6144.
- What is Ryan Demmendaal's phone number?
- The practice phone number listed in the NPPES registry for Ryan Demmendaal is (207) 778-6031.
- Does Ryan Demmendaal accept Medicare?
- Ryan Demmendaal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Demmendaal's NPI active?
- Yes — Ryan Demmendaal's NPI (1245932607) is active in the NPPES registry as of the last update on 2025-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.