Walter Doerfler, D.O.
Family Medicine Physician · Orono, ME
Walter Doerfler, D.O. is a family medicine physician with a practice address in Orono, Maine, and NPI 1043252430, issued on Jun 12, 2006. Check the license (Maine 1774, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Walter Doerfler
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1774 ME
Self-reported in NPPES; status is on the state search - Practice location
- 84 Kelley RD, Orono, ME 04473
- Phone
- (207) 866-4399
- Enumerated
- Jun 12, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (207) 866-4538
- Medicare enrollment
- Enrolled (PECOS I20040809000829); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2000
- Entity
- Type 1 · individual
Also registered at 84 Kelley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cole CarterPhysical Medicine & Rehabilitation Physician1972111896
- Nina Fagles, M.D.Family Medicine Physician1124069851
- Glenn Rampe, M.D.Family Medicine Physician1962443713
- Sarah Walzak, PA-CMedical Physician Assistant1487197984
Verify Walter Doerfler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 1774Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
209 Medicare Part D claims for 158 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass20 claims
- Prednisone20 claims
- Sulfamethoxazole-Trimethoprim17 claims
- Potassium Chloride15 claims
- Cephalexin14 claims
- Ciprofloxacin Hcl12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Northern Maine Medical CenterFort Kent, ME · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
6 family medicine physician records list a practice address in Orono
They are 6 of the 147 NPPES records with a practice address in Orono, and 1,172 family medicine physician records in Maine.
All 6 in Orono → All 1,172 in Maine → Every provider in Orono →
Other family medicine physician records in Maine
- Jeffrey Aalberg, MDFalmouth, ME1669400222
- Elizabeth Abbas, DOFarmington, ME1932588100
- Robert Abrams, M.D.Lubec, ME1720067010
- Andrea Abrell, DOAugusta, ME1558525188
- Justine Achille, MDGorham, ME1962962324
- Katie Adams, MDLincoln, ME1154764975
- Thomas Adams, MDSouthwest Harbor, ME1851331565
- Rebecca Adamson, MDLewiston, ME1912313982
- Constance Adler, M.D., F.A.A.F.P.Farmington, ME1487689675
- Devesh Agarwal, M.D.Lincoln, ME1710116876
Common questions
What is Walter Doerfler, D.O.'s NPI number?
Walter Doerfler, D.O.'s National Provider Identifier (NPI) is 1043252430, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter Doerfler, D.O. located?
The NPPES record lists a practice address at 84 Kelley RD, Orono, ME, 04473. Phone: (207) 866-4399. Providers update this record themselves, so call before visiting.
How can I verify Walter Doerfler, D.O.'s license?
NPPES lists Maine license number 1774, 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 Walter Doerfler, D.O. prescribe under Medicare Part D?
In 2024, Walter Doerfler, D.O. had 209 Medicare Part D claims for 158 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Walter Doerfler, D.O.'s MIPS final score?
The 2023 MIPS final score is 88.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.