Marc Vanderleeden, M.D.
Endocrinology, Diabetes & Metabolism Physician · Springfield, MA
Marc Vanderleeden, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Springfield, Massachusetts, and NPI 1801883194, issued on Oct 1, 2005. Check the license (Massachusetts 50849, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Marc Vanderleeden
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 50849 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Medical Center Dr, Springfield, MA 01107
- Phone
- (413) 734-4667
- Enumerated
- Oct 1, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (413) 737-1930
- Medicare enrollment
- Enrolled (PECOS I20050323000466); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1978
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 522 in Massachusetts → Look up another NPI →
Also registered at 2 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Reginald Alouidor, MDSurgery Physician1770548463
- Maria Aquadro, NPFamily Nurse Practitioner1124353040
- Mary Barber, CNMAdvanced Practice Midwife1962502906
- Julie Bell, CNMAdvanced Practice Midwife1245274539
Verify Marc Vanderleeden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 50849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
6,363 Medicare Part D claims for 565 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 159 claims were for opioids.
Most prescribed
- Mounjaro530 claims
- Levothyroxine Sodium431 claims
- Atorvastatin Calcium325 claims
- Jardiance210 claims
- Amlodipine Besylate196 claims
- Glipizide164 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 practice group's MIPS final score for 2023 (Medicare payment program): 79.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,320.37
60 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Bills Medicare through one group practice
- Endocrine Associates OF Western Mass, P.C.Springfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Vanderleeden among 522 endocrinology, diabetes & metabolism physician records in Massachusetts
Marc Vanderleeden, M.D. is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1978 · median 2002 among the 378 with a school on file
- Record last updated2026 · 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 207RE0101X and a Massachusetts 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 Massachusetts
There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.
All 522 in Massachusetts → Every provider in Springfield → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Kimberly Browne-Martin, M.D.Springfield, MA 011071174510465
- Barrett Chapin, MDSpringfield, MA 011071629009493
- Michele Gortakowski, M.D.Springfield, MA 011071710243621
- Jordesha Hodge, M.D.Springfield, MA 011071861955155
- Setana Idriss, MDSpringfield, MA 011071427518521
- Barry Izenstein, M.D.Springfield, MA 011071346237583
- Issra Jamal, MDSpringfield, MA 011071457792871
- Cecilia Lozier, M.D.Springfield, MA 011071316382823
Common questions
What is Marc Vanderleeden, M.D.'s NPI number?
Marc Vanderleeden, M.D.'s National Provider Identifier (NPI) is 1801883194, issued on Oct 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marc Vanderleeden, M.D. located?
The NPPES record lists a practice address at 2 Medical Center Dr, Springfield, MA, 01107. Phone: (413) 734-4667. Providers update this record themselves, so call before visiting.
How can I verify Marc Vanderleeden, M.D.'s license?
NPPES lists Massachusetts license number 50849, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc Vanderleeden, M.D. prescribe under Medicare Part D?
In 2024, Marc Vanderleeden, M.D. had 6,363 Medicare Part D claims for 565 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Marc Vanderleeden, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.8 of 100, reported for the practice group. 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.