Dr. Peter Mark Grzesik, DO
- Medicare services, 2024
- 325
- Medicare patients, 2024
- 247
- Publications
- 14
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Dr. Grzesik's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Peter Mark Grzesik is an anesthesiologist in Mendon, Massachusetts
Dr. Grzesik practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Grzesik's NPI, 1518378231, was assigned on May 15, 2014. Dr. Grzesik graduated from New York College of Osteo Medicine of New York Institute of Technology in 2014. Dr. Grzesik holds Massachusetts license 287786.
- NPI
- 1518378231NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082912928
- NPI enumeration date
- May 15, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Mark Grzesik practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Grzesik's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Peter Mark Grzesik is affiliated with 2 sites of care and 1 medical group
Dr. Grzesik's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Grzesik is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter Mark Grzesik's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grzesik practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Peter Mark Grzesik is one of 1,552 anesthesiologists in Massachusetts
Anesthesiology is Dr. Grzesik's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Grzesik is licensed in Massachusetts.
Specialties and state licenses
- Anesthesiology, MassachusettsPrimary
Anesthesiologists near Dr. Grzesik
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Peter Mark Grzesik billed Medicare for 325 services in 2024
CMS data shows 325 Medicare services from Dr. Grzesik across 11 procedure codes in 2024, for 247 Medicare patients. Medicare paid $35,037 for them.
Dr. Grzesik's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 882024: 10418%
- Anesthesia
- 2023: 1162024: 10113%
- Office and hospital visits
- 2023: 152024: 50233%
- Imaging
- 2023: 392024: 4618%
- Tests and treatments
- 2023: 162024: 2450%
Where Dr. Grzesik's Medicare services took place, 2024
- In an office155%
- In a facility31095%
Dr. Grzesik compared with the Massachusetts median for anesthesiologists, 2024
- Dr. Grzesik
- Massachusetts median
- Medicare services
- 325vs 1262.6 times
- Medicare patients
- 247vs 20024% above
Medians across 1,366 anesthesiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Grzesik's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Grzesik?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grzesik and other anesthesiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Mark Grzesik treated 247 Medicare patients in 2024, average age 72
CMS counts 247 Medicare patients who saw Dr. Grzesik in 2024. The largest group is 65 to 74, with 88 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Grzesik's median patient age at 61, with 48% women.
Dr. Grzesik's Medicare patients by age, 2024
Dr. Grzesik's Medicare patients by sex, 2024
- Women12350%
- Men12450%
Chronic conditions among Dr. Grzesik's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease49%
- Mood disorders46%
- Chronic kidney disease45%
- Anxiety43%
- Depression40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grzesik's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Mark Grzesik scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Grzesik for performance year 2024, reported through an alternative payment model (APM). Dr. Grzesik accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Grzesik's MIPS scores, performance year 2024
- 100of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Peter Mark Grzesik has 14 publications on record
Dmand AI links 14 papers to Dr. Grzesik, published from 2014 to 2024. 2017 was the busiest year, with 4. The most frequent topics are Herpesvirus 1, Human, Chlorocebus aethiops and Vero Cells. Dr. Grzesik has published most often in J Gen Virol. Dr. Grzesik's most frequent co-authors are Sanjana Prasad, MD, June Kar-Ming Wu, MD and Robert M. Friedman, MD.
Dr. Grzesik's papers by year, 2014 to 2024
Topics Dr. Grzesik writes about most
- Herpesvirus 1, Human
- Chlorocebus aethiops
- Vero Cells
- Virus Assembly
- Virus Replication
- Capsid Proteins
- Genome, Viral
- Viral Proteins
Dr. Grzesik's most frequent co-authors
- Sanjana Prasad, MD2 shared papers
- June Kar-Ming Wu, MD2 shared papers
- Robert M. Friedman, MD1 shared paper
Recent publications by Dr. Grzesik
Cancer Immunol Res
J Virol Methods
See who Dr. Grzesik researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grzesik works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter Mark Grzesik graduated from New York College of Osteo Medicine of New York Institute of Technology
Dr. Grzesik graduated from New York College of Osteo Medicine of New York Institute of Technology in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Mark Grzesik's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Peter Mark Grzesik
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Peter Mark Grzesik's NPI number?
Dr. Peter Mark Grzesik's NPI number is 1518378231. It was assigned on May 15, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Mark Grzesik?
Dr. Peter Mark Grzesik is an anesthesiologist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Peter Mark Grzesik practice?
Dr. Grzesik practices at 55 North Ave, Mendon, MA 01756. Dr. Grzesik's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts.
What is Dr. Peter Mark Grzesik's office phone number?
The practice phone on file for Dr. Grzesik is (508) 334-1000.
What is Dr. Peter Mark Grzesik's medical license number?
Dr. Grzesik holds Massachusetts license 287786.
Which hospitals is Dr. Peter Mark Grzesik affiliated with?
Dr. Grzesik is affiliated with UMass Memorial Medical Center - University Campus.
What medical group is Dr. Peter Mark Grzesik part of?
Dr. Grzesik is linked to UMass Memorial Medical Group.
Does Dr. Peter Mark Grzesik accept Medicare?
Yes. CMS data shows Dr. Grzesik billed Medicare for 325 services in 2024, and Dr. Grzesik accepts Medicare assignment.
What is Dr. Peter Mark Grzesik's MIPS score?
Dr. Grzesik's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Peter Mark Grzesik see?
CMS counts 247 Medicare patients who saw Dr. Grzesik in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Peter Mark Grzesik bill to Medicare?
In 2024, Dr. Grzesik's most billed Medicare services were anesthesia (01996), ultrasound (76937) and surgery: brain, spine and nerves (64999).
Where did Dr. Peter Mark Grzesik go to medical school?
Dr. Grzesik graduated from New York College of Osteo Medicine of New York Institute of Technology in 2014.
How long has Dr. Peter Mark Grzesik been practicing?
Dr. Grzesik graduated from medical school in 2014, 12 years ago.
Does Dr. Peter Mark Grzesik do research?
Dmand AI links 14 publications to Dr. Grzesik, published from 2014 to 2024.
Who does Dr. Peter Mark Grzesik publish with?
Dr. Grzesik's most frequent co-authors are Sanjana Prasad, MD (2 shared papers), June Kar-Ming Wu, MD (2 shared papers) and Robert M. Friedman, MD (1 shared paper).
Selling to anesthesiology practices?
See anesthesiologists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card