Marc Greenblatt, MD
NPI 1770654550 · Medical Oncology Physician · Burlington, VT
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Greenblatt, MD is a Medical Oncology Physician provider in Burlington, VT (NPI 1770654550).
Provider details
- NPI number
- 1770654550
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 042-0009106 (VT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
328 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 147 | $136 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $92 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 31 | $171 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 26 | $126 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 24 | $112 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 46 | — |
| Ondansetronbrand: Ondansetron Odt | 44 | 15 |
| Lipase/Protease/Amylasebrand: Creon | 35 | — |
| Dexamethasone | 35 | 12 |
| Prochlorperazine Maleate | 26 | 14 |
| Pantoprazole Sodium | 19 | — |
| Olanzapine | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marc Greenblatt's NPI number?
- Marc Greenblatt's National Provider Identifier (NPI) is 1770654550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Greenblatt's specialty?
- Marc Greenblatt is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Greenblatt located?
- Marc Greenblatt's practice location on file with NPPES is 111 Colchester Ave, Burlington, VT 05401-1473.
- What is Marc Greenblatt's phone number?
- The practice phone number listed in the NPPES registry for Marc Greenblatt is (802) 847-8400.
- Does Marc Greenblatt accept Medicare?
- Marc Greenblatt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Greenblatt's NPI active?
- Yes — Marc Greenblatt's NPI (1770654550) 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.