Marc Vanderleeden, M.D.
NPI 1801883194 · Endocrinology, Diabetes & Metabolism Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Vanderleeden, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Springfield, MA (NPI 1801883194).
Provider details
- NPI number
- 1801883194
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 50849 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,946 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 800 | $92 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 451 | $3 |
| Hemoglobin A1c Level83036 | 359 | $10 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 231 | $63 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 43 | $34 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 104 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 530 | 95 |
| Levothyroxine Sodium | 431 | 114 |
| Atorvastatin Calcium | 325 | 89 |
| Empagliflozinbrand: Jardiance | 210 | 57 |
| Amlodipine Besylate | 196 | 48 |
| Glipizide | 164 | 42 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,320 across 60 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marc Vanderleeden's NPI number?
- Marc Vanderleeden's National Provider Identifier (NPI) is 1801883194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Vanderleeden's specialty?
- Marc Vanderleeden is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Vanderleeden located?
- Marc Vanderleeden's practice location on file with NPPES is 2 Medical Center Dr, Springfield, MA 01107-1270.
- What is Marc Vanderleeden's phone number?
- The practice phone number listed in the NPPES registry for Marc Vanderleeden is (413) 734-4667.
- Does Marc Vanderleeden accept Medicare?
- Marc Vanderleeden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Vanderleeden's NPI active?
- Yes — Marc Vanderleeden's NPI (1801883194) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.