Doctor profile · Federal record

Dr. ZACHARY MARNOY, MD

Internal Medicine Physician (CMS: HOSPITALIST) · BURLINGTON, MA

  • NPI 1194247841
  • Accepts Medicare
  • MIPS 88.4 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
41 BURLINGTON MALL RD
BURLINGTON, MA 018050001
(781) 744-5100

Credentials & registration

NPPES · NUCC
NPI registered
July 2017 — 9 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #285295

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194247841. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,131
Distinct HCPCS
6
Medicare allowed
$98,042
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 492 221 $81
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 262 134 $51
99239 Hospital discharge day management, more than 30 minutes 245 239 $118
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 108 46 $122
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $133
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 11 11 $85

In context: peer comparison

Among 33 peers in this city , average services per provider: 114. This provider delivers 9.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
100
Patients
92
Total drug cost
$843
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 30 28 $249
Prednisone Generic 22 22 $115
Metoprolol Succinate Generic 17 13 $302
Pantoprazole Sodium Generic 16 16 $123
Oxycodone Hcl Generic 15 13 $53

Hospital affiliations

CMS Hospital Compare