Mark Henderson, MD
Endocrinology, Diabetes & Metabolism Physician · Bangor, ME
Mark Henderson, MD is an endocrinology, diabetes & metabolism physician with a practice address in Bangor, Maine, and NPI 1891895272, issued on Sep 25, 2006. Check the license (Maine MD12208, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Henderson
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD12208 ME
Self-reported in NPPES; status is on the state search - Practice location
- 900 Broadway, Bangor, ME 04401
- Phone
- (207) 907-1187
- Enumerated
- Sep 25, 2006
- Record last updated
- Feb 3, 2022
- Fax
- (207) 907-1189
- Medicare enrollment
- Enrolled (PECOS I20050722000130); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1980
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 28 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 Mark Henderson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD12208Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,292 Medicare Part D claims for 500 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Levothyroxine Sodium1,379 claims
- Alendronate Sodium180 claims
- Methimazole118 claims
- Synthroid94 claims
- Hydrocortisone86 claims
- Testosterone54 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 MIPS final score for 2023 (Medicare payment program): 98.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
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.
Mark Henderson among 28 endocrinology, diabetes & metabolism physician records in Maine
Mark Henderson, MD is one of 28 endocrinology, diabetes & metabolism physician records with a practice address in Maine. 89% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 54% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1980 · median 2004 among the 19 with a school on file
- Record last updated2022 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Maine
There are 28 endocrinology, diabetes & metabolism physician records in Maine.
All 28 in Maine → Every provider in Bangor → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Shazia Ahmad, M.D.Bangor, ME 044011558637827
- Poonam Khadka, M.D.Bangor, ME 044011750652822
- Ana Mendoza Salazar, M.D.Bangor, ME 044011184777062
- Katarzyna Sadurska, MDBangor, ME 044011700804671
- Laura Trask, MDAugusta, ME 043301790754547
- Kenneth Sluis, MDLewiston, ME 042401073068441
- Daniel Spratt, MDPortland, ME 041021710073366
- Wesley Fairfield, MD, ECNUPortland, ME 041011437138955
Common questions
What is Mark Henderson, MD's NPI number?
Mark Henderson, MD's National Provider Identifier (NPI) is 1891895272, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Henderson, MD located?
The NPPES record lists a practice address at 900 Broadway, Bangor, ME, 04401. Phone: (207) 907-1187. Providers update this record themselves, so call before visiting.
How can I verify Mark Henderson, MD's license?
NPPES lists Maine license number MD12208, 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 Mark Henderson, MD prescribe under Medicare Part D?
In 2024, Mark Henderson, MD had 2,292 Medicare Part D claims for 500 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Mark Henderson, MD's MIPS final score?
The 2023 MIPS final score is 98.4 of 100. 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.