Haley B. Harzynski, PA-C
- Medicare services, 2024
- 106
- Medicare patients, 2024
- 119
- Part D claims, 2024
- 82
- Industry payments
- $21
- Medical groups
- 2
- Practice address
- 16 Guion Pl, New Rochelle, NY 10801
- Practice phone
- Call (914) 632-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Montefiore New Rochelle
New Rochelle, New York
Find Haley Harzynski'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.
Haley B. Harzynski is a physician assistant in New Rochelle, New York
Haley Harzynski practices at Montefiore New Rochelle in New Rochelle, New York.
Haley Harzynski's NPI, 1346020237, was assigned on September 29, 2023.
- NPI
- 1346020237NPI Registry (opens in a new tab)
- NPI enumeration date
- September 29, 2023
- NPI status
- Active
- Practice phone
- (914) 632-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Haley B. Harzynski practices at Montefiore New Rochelle in New Rochelle, New York
Haley Harzynski's primary practice is Montefiore New Rochelle, at 16 Guion Pl, New Rochelle, NY 10801 in Westchester County. The practice phone is (914) 632-5000.
- Montefiore New Rochelle16 Guion Pl, New Rochelle, NY 10801 · Westchester CountyPhone(914) 632-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Haley B. Harzynski is affiliated with 1 site of care and 2 medical groups
Haley Harzynski's primary practice is Montefiore New Rochelle in New Rochelle, New York. The medical group on file is New Rochelle Emergency Medical Associates. Dmand AI also links Haley Harzynski to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Haley B. Harzynski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Haley Harzynski practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Montefiore New Rochelle | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Haley B. Harzynski is one of 11,456 physician assistants in New York
Physician assistant is Haley Harzynski's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Haley Harzynski
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
Haley B. Harzynski billed Medicare for 106 services in 2024
CMS data shows 106 Medicare services from Haley Harzynski across 2 procedure codes in 2024, for 119 Medicare patients. Medicare paid $12,432 for them. Every service was in a facility, such as a hospital, rather than an office.
Haley Harzynski compared with the New York median for physician assistants, 2024
- Haley Harzynski
- New York median
- Medicare services
- 106vs 17640% below
- Medicare patients
- 119vs 7853% above
- Part D claims
- 14vs 24594% below
Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.
Haley Harzynski'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Haley Harzynski and other physician assistants in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Haley B. Harzynski treated 119 Medicare patients in 2024, average age 77
CMS counts 119 Medicare patients who saw Haley Harzynski in 2024. The largest group is 75 to 84, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 2.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Haley Harzynski's median patient age at 45, with 100% women.
Haley Harzynski's Medicare patients by age, 2024
Haley Harzynski's Medicare patients by sex, 2024
- Women6151%
- Men5849%
Chronic conditions among Haley Harzynski's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Diabetes60%
- Chronic kidney disease45%
- Ischemic heart disease42%
- Heart failure39%
- Mood disorders32%
Share of Medicare patients with each condition. A patient can have several.
Haley Harzynski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Haley B. Harzynski wrote 82 Medicare Part D claims in 2024
In 2024, Haley Harzynski wrote 82 Medicare Part D claims for 73 patients. 95% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $60 in total drug cost.
Haley Harzynski's Part D claims by kind of drug, 2024
- Generic78 claims95%
- Brand-name and other4 claims5%
Haley Harzynski's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Haley Harzynski's Part D claims, 2024
- Antibiotics61%50 of 82 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Haley B. Harzynski received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Haley Harzynski from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $21.
Companies that paid Haley Harzynski 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 Haley B. Harzynski'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 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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 Haley B. Harzynski
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What is Haley B. Harzynski's NPI number?
Haley B. Harzynski's NPI number is 1346020237. It was assigned on September 29, 2023, and it is active in the NPI Registry.
What does Haley B. Harzynski specialize in?
Haley B. Harzynski is a physician assistant in New Rochelle, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Haley B. Harzynski practice?
Haley Harzynski practices at 16 Guion Pl, New Rochelle, NY 10801. Haley Harzynski's primary practice is Montefiore New Rochelle in New Rochelle, New York. Dmand AI also links Haley Harzynski to 1 medical group.
What is Haley B. Harzynski's office phone number?
The practice phone on file for Haley Harzynski is (914) 632-5000.
What medical group is Haley B. Harzynski part of?
Haley Harzynski is linked to New Rochelle Emergency Medical Associates. Dmand AI links Haley Harzynski to 1 more medical group.
Does Haley B. Harzynski accept Medicare?
Yes. CMS data shows Haley Harzynski billed Medicare for 106 services in 2024.
How many Medicare patients does Haley B. Harzynski see?
CMS counts 119 Medicare patients who saw Haley Harzynski in 2024, with an average age of 77.
What services does Haley B. Harzynski bill to Medicare?
In 2024, Haley Harzynski's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
What drugs does Haley B. Harzynski prescribe most?
In 2024 Medicare Part D data, Haley Harzynski's most prescribed drugs by claims were Cephalexin.
Has Haley B. Harzynski received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Haley Harzynski from 1 company from 2025 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Haley B. Harzynski been practicing?
Haley Harzynski graduated from medical school in 2023, 3 years ago.
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