Marie Masse Caldwell, MD
Endocrinology, Diabetes & Metabolism Physician · Scarborough, ME
Marie Masse Caldwell, MD is an endocrinology, diabetes & metabolism physician with a practice address in Scarborough, Maine, and NPI 1972863447, issued on May 18, 2012. Check the license (Maine MD22889, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Marie Masse Caldwell
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- MD22889 ME
2015-00436 NC
Self-reported in NPPES; status is on the state search - Practice location
- 175 US Route 1, Scarborough, ME 04074
- Phone
- (207) 396-7700
- Enumerated
- May 18, 2012
- Record last updated
- Jul 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (207) 396-7701
- Medicare enrollment
- Enrolled (PECOS I20190903002981); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 175 US Route 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khaled Al Sibai, MDEndocrinology, Diabetes & Metabolism Physician1144715327
- Jayachidambaram Ambalavanan, MDEndocrinology, Diabetes & Metabolism Physician1073173738
- Julie Barnes, RDRegistered Dietitian1821117201
- S. Thomas Bigos, MDEndocrinology, Diabetes & Metabolism Physician1679502892
- Robert Bing-You, MDEndocrinology, Diabetes & Metabolism Physician1659303261
- Irwin Brodsky, MDEndocrinology, Diabetes & Metabolism Physician1326070905
Verify Marie Masse Caldwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD22889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,286 Medicare Part D claims for 229 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Levothyroxine Sodium259 claims
- Methimazole72 claims
- Nano 2nd Gen Pen Needle61 claims
- Omnipod 5 Dexg7g6 Pods (Gen 5)54 claims
- Trulicity48 claims
- Synthroid40 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): 98.1 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).
Bills Medicare through one group practice
- MainehealthBiddeford, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
15 endocrinology, diabetes & metabolism physician records list a practice address in Scarborough
They are 15 of the 1,043 NPPES records with a practice address in Scarborough, and 28 endocrinology, diabetes & metabolism physician records in Maine.
All 15 in Scarborough → All 28 in Maine → Every provider in Scarborough →
Other endocrinology, diabetes & metabolism physician records in Maine
- Shazia Ahmad, M.D.Bangor, ME1558637827
- Khaled Al Sibai, MDScarborough, ME1144715327
- Jayachidambaram Ambalavanan, MDScarborough, ME1073173738
- Stephan Babirak, MDScarborough, ME1689619884
- S. Thomas Bigos, MDScarborough, ME1679502892
- Robert Bing-You, MDScarborough, ME1659303261
- Irwin Brodsky, MDScarborough, ME1326070905
- Emily Demetriou, MDScarborough, ME1558439414
- Wesley Fairfield, MD, ECNUPortland, ME1437138955
- Heidi Golden, MDScarborough, ME1629235387
Common questions
What is Marie Masse Caldwell, MD's NPI number?
Marie Masse Caldwell, MD's National Provider Identifier (NPI) is 1972863447, issued on May 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Marie Masse Caldwell, MD located?
The NPPES record lists a practice address at 175 US Route 1, Scarborough, ME, 04074. Phone: (207) 396-7700. Providers update this record themselves, so call before visiting.
How can I verify Marie Masse Caldwell, MD's license?
NPPES lists Maine license number MD22889, 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 Marie Masse Caldwell, MD prescribe under Medicare Part D?
In 2024, Marie Masse Caldwell, MD had 1,286 Medicare Part D claims for 229 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Marie Masse Caldwell, MD's MIPS final score?
The 2023 MIPS final score is 98.1 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.