Keith R. Mills, MD
Medical Oncology Physician · New Harbor, ME
Keith R. Mills, MD is a medical oncology physician with a practice address in New Harbor, Maine, and NPI 1053400598, issued on Oct 12, 2006. Check the license on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Keith R. Mills
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 6639A WY
CP206749 OR
Self-reported in NPPES; status is on the state search - Practice location
- 20 Kingfisher Road, New Harbor, ME 04554
- Phone
- (307) 262-5949
- Enumerated
- Oct 12, 2006
- Record last updated
- Jul 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (844) 320-9753
- Medicaid ID
- 116613100 WY
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 22 in Maine → Look up another NPI →
Verify Keith R. Mills in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average medical oncology physician in 2024
34 Medicare Part D claims, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of 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.
Keith R. Mills among 22 medical oncology physician records in Maine
Keith R. Mills, MD is one of 22 medical oncology physician records with a practice address in Maine. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 27% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2021 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Maine
There are 22 medical oncology physician records in Maine.
The 8 medical oncology physician records with the nearest ZIP codes
- Alan Boone, M.D.Bangor, ME 044011033246731
- Ronald Hart, MDAugusta, ME 043301225003528
- Andrew Hertler, MDAugusta, ME 043301144296609
- Donald Magioncalda, MDAugusta, ME 043301851367429
- Elena Nawfel, MDAugusta, ME 043301376519827
- Sneha PurveyAugusta, ME 043301992050306
- Roger Inhorn, MD-PHDRockport, ME 048561831137405
- Jessica Bian, M.D.South Portland, ME 041061821435140
Common questions
What is Keith R. Mills, MD's NPI number?
Keith R. Mills, MD's National Provider Identifier (NPI) is 1053400598, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith R. Mills, MD located?
The NPPES record lists a practice address at 20 Kingfisher Road, New Harbor, ME, 04554. Phone: (307) 262-5949. Providers update this record themselves, so call before visiting.
How can I verify Keith R. Mills, MD's license?
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 Keith R. Mills, MD prescribe under Medicare Part D?
In 2024, Keith R. Mills, MD had 34 Medicare Part D claims; the average among medical oncology physician prescribers was 703. 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.