Doctor profile · Federal record
Dr. Peter Grzesik, DO
Anesthesiology Physician (CMS: Anesthesiology) · Worcester, MA
- NPI 1518378231
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3271
fax (508) 856-5911 - Additional location
-
20 York St
New Haven, CT 065103220
(203) 688-4242 - Additional location
-
24 Hospital Ave
Danbury, CT 068106099
(203) 739-7000 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- May 2014 — 12 yrs on file
- Profile last updated
- July 29, 2021
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Massachusetts #287786
- Medicaid
- MA #110126355A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518378231. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
274
Distinct HCPCS
10
Medicare allowed
$29,956
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 63 | 60 | $43 | |
01996 |
Daily hospital management of continuous spinal drug administration | 40 | 24 | $63 | |
76937 |
Ultrasonic guidance for blood vessel access | 39 | 32 | $14 | |
36556 |
Insertion of non-tunneled central venous tube for infusion (5 years or older) | 25 | 21 | $81 | |
00142 |
Anesthesia for lens surgery | 22 | 21 | $79 | |
00560 |
Anesthesia for procedure on heart and large blood vessels | 22 | 22 | $505 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 19 | 18 | $121 | |
93312 |
Ultrasound of heart with probe in esophagus, with report | 16 | 16 | $103 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 15 | 13 | $77 | |
01926 |
Anesthesia for x-ray on artery of brain, heart, or chest | 13 | 13 | $321 |
In context: peer comparison
Among 60 peers in Worcester Anesthesiology Physician, average services per provider: 33. This provider delivers 8.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Peter Grzesik's medical specialty?
Dr. Peter Grzesik practices Anesthesiology Physician in Worcester, MA.
Where does Dr. Peter Grzesik practice?
Dr. Peter Grzesik practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343271.
What is Dr. Peter Grzesik's NPI?
Dr. Peter Grzesik's National Provider Identifier (NPI) is 1518378231, issued by NPPES.
Does Dr. Peter Grzesik accept Medicare assignment?
Yes. Dr. Peter Grzesik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Grzesik commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Daily hospital management of continuous spinal drug administration (HCPCS 01996); Ultrasonic guidance for blood vessel access (HCPCS 76937). Source: CMS Medicare Physician & Other Practitioners file.