Haley B. Harzynski, PA-C

  • New Rochelle, NY
  • Physician assistant
NPI1346020237
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Montefiore New Rochelle

New Rochelle, New York

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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 and contact details
NPI enumeration date
September 29, 2023
NPI status
Active
Practice phone
(914) 632-5000
Professional email
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Personal email
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Mobile number
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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 Rochelle
    16 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.

See all 3 affiliations for Haley Harzynski

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.

EHR by site
SiteEHR vendor and product
Montefiore New RochelleAvailable with a free account
+1 medical groupAvailable 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 assistantPrimarytaxonomy 363A00000X

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.

Medicare services, 2024106
Medicare patients119
Paid by Medicare$12,432
Procedure codes2

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.

See all procedures by Haley Harzynski

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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.

Medicare patients, 2024119
Average age77
Average risk score2.17
Also on Medicaid41%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis61%
  4. Diabetes60%
  5. Chronic kidney disease45%
  6. Ischemic heart disease42%
  7. Heart failure39%
  8. 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.

Part D claims, 202482
Drugs named by CMS1
Total drug cost$60
Part D patients73

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.

See all prescribing by Haley Harzynski

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.

See all payments to Haley Harzynski

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Haley B. Harzynski's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Haley B. Harzynski

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

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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