Ryan David Demmendaal, MD
Emergency Medicine Physician · Farmington, ME
Ryan David Demmendaal, MD is an emergency medicine physician with a practice address in Farmington, Maine, and NPI 1245932607, issued on Mar 20, 2023. Check the license (Maine MD29926, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ryan David Demmendaal
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD29926 ME
39961 NH
Self-reported in NPPES; status is on the state search - Practice location
- 111 Franklin Health Cmns, Farmington, ME 04938
- Phone
- (207) 778-6031
- Enumerated
- Mar 20, 2023
- Record last updated
- Jul 23, 2026
- Fax
- (207) 779-2632
- Medicare enrollment
- Enrolled (PECOS I20251203001125); may accept Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2023
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 466 in Maine → Look up another NPI →
Also registered at 111 Franklin Health Cmns
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lynette Abbott, PTPhysical Therapist1174113393
- Jonathan Abell, PT, DPTPhysical Therapist1649831421
- Ranjiv Advani, MDEmergency Medicine Physician1396716742
- Taylor AntanavichSpeech-Language Pathologist1457911216
- Tamara Bannerman, BSCPTPhysical Therapist1356517049
- Michael Bellino, MDEmergency Medicine Physician1780670950
Verify Ryan David Demmendaal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD29926Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average emergency medicine physician in 2024
106 Medicare Part D claims for 79 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 11 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ryan David Demmendaal among 466 emergency medicine physician records in Maine
Ryan David Demmendaal, MD is one of 466 emergency medicine physician records with a practice address in Maine. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, under 1% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2023 · median 2011 among the 293 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 emergency medicine physician records list a practice address in Farmington
They are 21 of the 349 NPPES records with a practice address in Farmington, and 466 emergency medicine physician records in Maine.
All 466 in Maine → Every provider in Farmington → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ranjiv Advani, MDFarmington, ME 049381396716742
- Michael Bellino, MDFarmington, ME 049381780670950
- Jodi Conrad, D.O.Farmington, ME 049381023556990
- David Gammons, M.D.Farmington, ME 049381073976189
- Michele Harper, MDFarmington, ME 049381871731521
- Max Hoddwells, MDFarmington, ME 049381821526187
- David Kearing, M.D.Farmington, ME 049381407804156
- Aaron Ratner, DO, MSFarmington, ME 049381063708766
Common questions
What is Ryan David Demmendaal, MD's NPI number?
Ryan David Demmendaal, MD's National Provider Identifier (NPI) is 1245932607, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Ryan David Demmendaal, MD located?
The NPPES record lists a practice address at 111 Franklin Health Cmns, Farmington, ME, 04938. Phone: (207) 778-6031. Providers update this record themselves, so call before visiting.
How can I verify Ryan David Demmendaal, MD's license?
NPPES lists Maine license number MD29926, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan David Demmendaal, MD prescribe under Medicare Part D?
In 2024, Ryan David Demmendaal, MD had 106 Medicare Part D claims for 79 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.