Kelsey L. Petrelis, PA-C
- Medicare services, 2024
- 45
- Medicare patients, 2024
- 40
- MIPS score, 2024
- 93
- Hospital affiliations
- 2
- Industry payments
- $99
- Practice address
- 400 East Main Street, Mount Kisco, NY 10549
- Practice phone
- Call (914) 666-1200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Kelsey Petrelis' 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.
Kelsey L. Petrelis is a physician assistant in Mount Kisco, New York
Kelsey Petrelis practices at Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health.
Kelsey Petrelis' NPI, 1376945113, was assigned on September 24, 2014. Kelsey Petrelis holds New York license 018023.
- NPI
- 1376945113NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052749041
- NPI enumeration date
- September 24, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 666-1200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Kelsey L. Petrelis practices at Northern Westchester Hospital in Mount Kisco, New York
Kelsey Petrelis' primary practice is Northern Westchester Hospital, at 400 East Main Street, Mount Kisco, NY 10549 in Westchester County. The practice phone is (914) 666-1200.
- Northern Westchester Hospital400 East Main Street, Mount Kisco, NY 10549 · Westchester CountyPhone(914) 666-1200
Source: Dmand AI Affiliation Data
Kelsey L. Petrelis is affiliated with 2 sites of care and 1 medical group
Kelsey Petrelis' primary practice is Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health. Kelsey Petrelis is also affiliated with Lenox Hill Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Kelsey L. Petrelis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kelsey Petrelis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Westchester Hospital | 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 Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Kelsey L. Petrelis is one of 11,456 physician assistants in New York
Physician assistant is Kelsey Petrelis' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Kelsey Petrelis is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Kelsey Petrelis
Counts of physician assistants 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
Kelsey L. Petrelis billed Medicare for 45 services in 2024
CMS data shows 45 Medicare services from Kelsey Petrelis across 2 procedure codes in 2024, for 40 Medicare patients. Medicare paid $3,989 for them. Every service was in a facility, such as a hospital, rather than an office.
Kelsey Petrelis compared with the New York median for physician assistants, 2024
- Kelsey Petrelis
- New York median
- Medicare services
- 45vs 17674% below
- Medicare patients
- 40vs 7849% below
Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.
Kelsey Petrelis' 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 Kelsey Petrelis?
Medicare shows one payer. Book a meeting to get commercial claims data for Kelsey Petrelis and other physician assistants in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Kelsey L. Petrelis treated 40 Medicare patients in 2024, average age 81
CMS counts 40 Medicare patients who saw Kelsey Petrelis in 2024. The largest group is 85 and over, with 16 patients. 75% of them have atrial fibrillation, and 75% have high blood pressure. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Kelsey Petrelis' median patient age at 72, with 26% women.
Kelsey Petrelis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Kelsey Petrelis' Medicare patients by sex, 2024
- Women1435%
- Men2665%
Chronic conditions among Kelsey Petrelis' Medicare patients, 2024
- Atrial fibrillation75%
- High blood pressure75%
- High cholesterol75%
- Heart failure68%
- Ischemic heart disease68%
- Arthritis60%
- Chronic kidney disease55%
- Diabetes48%
Share of Medicare patients with each condition. A patient can have several.
Kelsey Petrelis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women26%
- Men74%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Kelsey L. Petrelis scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Kelsey Petrelis for performance year 2024, reported through an alternative payment model (APM). Kelsey Petrelis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Kelsey Petrelis' MIPS scores, performance year 2024
- 93of 100Final score
- 79.8of 100Quality
- 89of 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.
Kelsey L. Petrelis received $99 in industry payments in 2025
CMS Open Payments shows 2 general payments to Kelsey Petrelis from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $99.
Companies that paid Kelsey Petrelis the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Kelsey L. Petrelis'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Kelsey L. Petrelis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Kelsey L. Petrelis' NPI number?
Kelsey L. Petrelis' NPI number is 1376945113. It was assigned on September 24, 2014, and it is active in the NPI Registry.
What does Kelsey L. Petrelis specialize in?
Kelsey L. Petrelis is a physician assistant in Mount Kisco, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Kelsey L. Petrelis practice?
Kelsey Petrelis practices at 400 East Main Street, Mount Kisco, NY 10549. Kelsey Petrelis' primary practice is Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health.
What is Kelsey L. Petrelis' office phone number?
The practice phone on file for Kelsey Petrelis is (914) 666-1200.
What is Kelsey L. Petrelis' medical license number?
Kelsey Petrelis holds New York license 018023.
Which hospitals is Kelsey L. Petrelis affiliated with?
Kelsey Petrelis practices at Northern Westchester Hospital in Mount Kisco, New York. Kelsey Petrelis is also affiliated with Lenox Hill Hospital.
What medical group is Kelsey L. Petrelis part of?
Kelsey Petrelis is linked to Northwell Health Physician Partners Cardiology at Great Neck.
Does Kelsey L. Petrelis accept Medicare?
Yes. CMS data shows Kelsey Petrelis billed Medicare for 45 services in 2024, and Kelsey Petrelis accepts Medicare assignment.
What is Kelsey L. Petrelis' MIPS score?
Kelsey Petrelis' MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Kelsey L. Petrelis see?
CMS counts 40 Medicare patients who saw Kelsey Petrelis in 2024, with an average age of 81.
Show 3 more questionsShow fewer questions
What services does Kelsey L. Petrelis bill to Medicare?
In 2024, Kelsey Petrelis' most billed Medicare services were hospital inpatient care (99222) and hospital inpatient care (99232).
Has Kelsey L. Petrelis received payments from drug or device companies?
CMS Open Payments shows $99 in general payments to Kelsey Petrelis from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Kelsey L. Petrelis been practicing?
Kelsey Petrelis graduated from medical school in 2014, 12 years ago.
Selling to physician assistant practices?
See physician assistants in New York 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