Timothy Dewitt Carnes, MD
Addiction Medicine (Internal Medicine) Physician · Portland, ME
Timothy Dewitt Carnes, MD is an addiction medicine (internal medicine) physician with a practice address in Portland, Maine, and NPI 1215917885, issued on Jan 19, 2006. Check the license (Maine 16503, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Timothy Dewitt Carnes
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Internal Medicine) Physician 207RA0401X
- License number
- 16503 ME
Self-reported in NPPES; status is on the state search - Practice location
- 17 Bishop St, Portland, ME 04103
- Phone
- (207) 835-0488
- Enumerated
- Jan 19, 2006
- Record last updated
- Apr 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (207) 835-0359
- Medicaid ID
- 4144900099 ME
- Entity
- Type 1 · individual
5 nearest addiction medicine (internal medicine) physician records → All 6 in Maine → Look up another NPI →
Also registered at 17 Bishop St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Faith Barnes, LMSWClinical Social Worker1932259645
- Anthony Beattie, LMHC, LCCMental Health Counselor1083753719
- Mary Bennett, LCSWClinical Social Worker1588737761
- Gavin BlackAddiction (Substance Use Disorder) Counselor1588503346
- Randi-Anne Bruneau, LCSW, CADC, CCSClinical Social Worker1609184654
- Debra Bunce, PHDClinical Psychologist1629151329
Verify Timothy Dewitt Carnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 16503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average addiction medicine (internal medicine) physician in 2024
342 Medicare Part D claims for 22 beneficiaries, against an average of 829 among the 401 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Buprenorphine-Naloxone79 claims
- Vyvanse38 claims
- Suboxone29 claims
- Buprenorphine Hcl20 claims
- Sublocade20 claims
- Brixadi18 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.
Industry payments in 2024: $603.38
22 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 188 providers of this specialty with any payment received $1,761.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Addiction Medicine (Internal Medicine) Physician providers in Maine
There are 6 addiction medicine (internal medicine) physician records in Maine.
All 6 in Maine → Every provider in Portland → Addiction Medicine (Internal Medicine) Physician nationwide →
The 5 addiction medicine (internal medicine) physician records with the nearest ZIP codes
- Arlene Kellman, D.O.Westbrook, ME 040921477731594
- Mark Durcan, MDScarborough, ME 040741770502106
- David Kispert, MDBiddeford, ME 040051316393093
- Nicholas GallagherAugusta, ME 043301629465208
- Paul Gosselin, DOAugusta, ME 043301649216086
Common questions
What is Timothy Dewitt Carnes, MD's NPI number?
Timothy Dewitt Carnes, MD's National Provider Identifier (NPI) is 1215917885, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Dewitt Carnes, MD located?
The NPPES record lists a practice address at 17 Bishop St, Portland, ME, 04103. Phone: (207) 835-0488. Providers update this record themselves, so call before visiting.
How can I verify Timothy Dewitt Carnes, MD's license?
NPPES lists Maine license number 16503, 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 Timothy Dewitt Carnes, MD prescribe under Medicare Part D?
In 2024, Timothy Dewitt Carnes, MD had 342 Medicare Part D claims for 22 beneficiaries; the average among addiction medicine (internal medicine) physician prescribers was 829. 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.