Physician Profile
Unclaimed ProfileAbout GRZESIK
Based in Worcester, MA, Peter Mark Grzesik, DO is listed in the NPI registry under anesthesiology. Peter graduated from New York College of Osteo Medicine of New York Institute of Technology in 2014.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Grzesik's specialty?
Dr. Grzesik is an anesthesiology in Worcester, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
Where can I find Dr. Grzesik?
Dr. Grzesik is listed at 55 LAKE AVE N, Worcester, MA 01655. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Grzesik?
The number on file is (508) 334-3271. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Grzesik?
Dr. Grzesik's National Provider Identifier is 1518378231. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Grzesik's medical education?
Dr. Grzesik attended New York College of Osteo Medicine of New York Institute of Technology, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Grzesik have?
Dr. Grzesik has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Grzesik known for?
According to Medicare billing data, Dr. Grzesik performs procedures including other procedure on nervous system, insertion of artery tube for blood sampling or infusion through skin and insertion of non-tunneled central venous tube for infusion; reads or performs imaging such as ultrasonic guidance for blood vessel access; provides treatments such as ultrasound of heart with probe in esophagus, with report and daily hospital management of continuous spinal drug administration, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Grzesik's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grzesik. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (508) 334-3271
- Email not available
Practice Locations
55 LAKE AVE N
Worcester, MA 01655
Procedures Most Often Billed to Medicare
325 services · 259 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Other procedure on nervous system | Procedure | 64999 |
38 |
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
33 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
33 |
| Daily hospital management of continuous spinal drug administration | Anaesthesia | 01996 |
48 |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
46 |
| Anesthesia for procedure on heart and large blood vessels | Anaesthesia | 00560 |
23 |
| Anesthesia for heart artery bypass grafting on heart-lung machine | Anaesthesia | 00567 |
15 |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
15 |
| Ultrasound of heart with probe in esophagus, with report | Treatment | 93312 |
24 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
29 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anesthesiology specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other anesthesiology specialists in Worcester 5
Same specialty, same city.
Trained at New York College of Osteo Medicine of New York Institute of Technology 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at New York College of Osteo Medicine of New York Institute of Technology 7
Providers who graduated from the same medical school in the same year.
Also performs Other procedure on nervous system 8
Providers in MA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.