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
- Primary practice
-
41 Burlington Mall RD
Burlington, MA 018050001
(781) 744-5100
Credentials & registration
- 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
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
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 Burlington Internal Medicine Physician, average services per provider: 114. This provider delivers 9.9× the peer median.Medicare Part D · 2023
Top prescriptions
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
Frequently asked questions
What is Dr. Zachary Marnoy's medical specialty?
Dr. Zachary Marnoy practices Internal Medicine Physician in Burlington, MA.
Where does Dr. Zachary Marnoy practice?
Dr. Zachary Marnoy practices at 41 Burlington Mall RD, Burlington, MA 018050001. Office phone: 7817445100.
What is Dr. Zachary Marnoy's NPI?
Dr. Zachary Marnoy's National Provider Identifier (NPI) is 1194247841, issued by NPPES.
Does Dr. Zachary Marnoy accept Medicare assignment?
Yes. Dr. Zachary Marnoy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Marnoy commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.