David J. Koffman, M. D.
Internal Medicine Physician · Bangor, ME
David J. Koffman, M. D. is an internal medicine physician with a practice address in Bangor, Maine, and NPI 1164402624, issued on Jan 20, 2006. Check the license (Maine MD14488, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- David J. Koffman
- Credential
- M. D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD14488 ME
Self-reported in NPPES; status is on the state search - Practice location
- 900 Broadway, Bangor, ME 04401
- Phone
- (207) 907-3300
- Enumerated
- Jan 20, 2006
- Record last updated
- Feb 3, 2022
- Fax
- (207) 907-1923
- Medicaid ID
- 000210032 ME
- Medicare enrollment
- Enrolled (PECOS I20050614000332); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1993
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 597 in Maine → Look up another NPI →
Also registered at 900 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Teresa Bartlett, FNPFamily Nurse Practitioner1386980829
- Tina Blackley, APRN FNP-CFamily Nurse Practitioner1962937417
- Hailey Blackwood, FNPCNurse Practitioner1003586025
- Eric Christofferson, FNPCNurse Practitioner1164165791
- Georgia Clark-Albert, MS RD LD CDERegistered Dietitian1740510759
- Dina Cole, APRNFamily Nurse Practitioner1124527460
Verify David J. Koffman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD14488Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
892 Medicare Part D claims for 112 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium74 claims
- Lisinopril49 claims
- Levothyroxine Sodium37 claims
- Amlodipine Besylate31 claims
- Rosuvastatin Calcium29 claims
- Fluoxetine Hcl26 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.
One hospital affiliation
- St Joseph HospitalBangor, ME · Acute Care Hospitals3 of 5 stars
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). Star ratings are CMS hospital ratings, not ratings of this provider.
David J. Koffman among 597 internal medicine physician records in Maine
David J. Koffman, M. D. is one of 597 internal medicine physician records with a practice address in Maine. 77% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1993 · median 2005 among the 369 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 internal medicine physician records list a practice address in Bangor
They are 62 of the 3,103 NPPES records with a practice address in Bangor, and 597 internal medicine physician records in Maine.
All 597 in Maine → Every provider in Bangor → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Allan Currie, M.D.Bangor, ME 044011831132364
- David Hallbert, MDBangor, ME 044011528023702
- Hans Holzwarth, MDBangor, ME 044011104819598
- My-Anh Le, DOBangor, ME 044011336117431
- Laura Matones, DOBangor, ME 044011760450829
- Kerry Riker, M. D.Bangor, ME 044011033199591
- Dara Rock, MDBangor, ME 044011376598540
- Paul Ronco, M.D.Bangor, ME 044011033152582
Common questions
What is David J. Koffman, M. D.'s NPI number?
David J. Koffman, M. D.'s National Provider Identifier (NPI) is 1164402624, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David J. Koffman, M. D. located?
The NPPES record lists a practice address at 900 Broadway, Bangor, ME, 04401. Phone: (207) 907-3300. Providers update this record themselves, so call before visiting.
How can I verify David J. Koffman, M. D.'s license?
NPPES lists Maine license number MD14488, 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 David J. Koffman, M. D. prescribe under Medicare Part D?
In 2024, David J. Koffman, M. D. had 892 Medicare Part D claims for 112 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.