Doctor profile · Federal record

Dr. Marc Greenblatt, MD

Medical Oncology Physician (CMS: Hematology/Oncology) · Burlington, VT

  • NPI 1770654550
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
111 Colchester Ave
Burlington, VT 054011473
(802) 847-8400
Mailing address
14 Moss Glen Ln
South Burlington, VT 054037274

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Vermont #042-0009106
Medicaid (2)
NY #01566632 · VT #0VN1136

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770654550. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
356
Distinct HCPCS
7
Medicare allowed
$46,636
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 180 59 $138
99214 Established patient office or other outpatient visit, 30-39 minutes 41 33 $94
99215 Established patient office or other outpatient visit, 40-54 minutes 32 16 $92
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 29 $167
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 30 23 $115
99205 New patient office or other outpatient visit, 60-74 minutes 22 22 $174
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $128

In context: peer comparison

Among 5 peers in this city , average services per provider: 58. This provider delivers 6.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
268
Patients
62
Total drug cost
$281,754
Drug Type Claims Patients Total cost
Creon (Lipase/Protease/Amylase) Brand 43 11 $75,607
Dexamethasone Generic 38 15 $352
Ondansetron Odt (Ondansetron) Brand 37 19 $310
Pantoprazole Sodium Generic 37 0 $211
Prochlorperazine Maleate Generic 28 17 $331
Prednisone Generic 17 0 $96
Olanzapine Generic 16 0 $68
Levothyroxine Sodium Generic 14 0 $253
Stivarga (Regorafenib) Brand 14 0 $151,462
Everolimus Generic 13 0 $52,457

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Greenblatt's medical specialty?
Dr. Marc Greenblatt practices Medical Oncology Physician in Burlington, VT.
Where does Dr. Marc Greenblatt practice?
Dr. Marc Greenblatt practices at 111 Colchester Ave, Burlington, VT 054011473. Office phone: 8028478400.
What is Dr. Marc Greenblatt's NPI?
Dr. Marc Greenblatt's National Provider Identifier (NPI) is 1770654550, issued by NPPES.
Does Dr. Marc Greenblatt accept Medicare assignment?
Yes. Dr. Marc Greenblatt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Greenblatt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.