Aaron Samuel Ratner, DO, MS
Emergency Medicine Physician · Farmington, ME
Aaron Samuel Ratner, DO, MS is an emergency medicine physician with a practice address in Farmington, Maine, and NPI 1063708766, issued on Jun 22, 2011. Check the license (Maine DO3925, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Aaron Samuel Ratner
- Credential
- DO, MS
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- DO3925 ME
LT4005 ME
OS016425 PA
OT014189 PA
Self-reported in NPPES; status is on the state search - Practice location
- 111 Franklin Health Cmns, Farmington, ME 04938
- Phone
- (207) 778-6031
- Enumerated
- Jun 22, 2011
- Record last updated
- Mar 19, 2026
- Fax
- (207) 779-2632
- Medicare enrollment
- Enrolled (PECOS I20140708001004); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2011
- 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 Aaron Samuel Ratner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license DO3925Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average emergency medicine physician in 2024
305 Medicare Part D claims for 185 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Prednisone24 claims
- Ondansetron Odt23 claims
- Azithromycin21 claims
- Albuterol Sulfate Hfa20 claims
- Ciprofloxacin Hcl16 claims
- Cephalexin14 claims
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.
Bills Medicare through 2 group practices
- Emergency Physician Associates OF Pennsylvania PCDickson City, PA
- Pinnacle Health Emergency Department Services, LLCHarrisburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Samuel Ratner among 466 emergency medicine physician records in Maine
Aaron Samuel Ratner, DO, MS 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 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · 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
- Stephen Ruda, D.O.Farmington, ME 049381437357498
Common questions
What is Aaron Samuel Ratner, DO, MS's NPI number?
Aaron Samuel Ratner, DO, MS's National Provider Identifier (NPI) is 1063708766, issued on Jun 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Samuel Ratner, DO, MS 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 Aaron Samuel Ratner, DO, MS's license?
NPPES lists Maine license number DO3925, 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 Aaron Samuel Ratner, DO, MS prescribe under Medicare Part D?
In 2024, Aaron Samuel Ratner, DO, MS had 305 Medicare Part D claims for 185 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.