Ariella Rosenfeld, PA

  • Tarrytown, NY
  • Physician assistant
NPI1225734221PAC ID9436598794
Medicare patients, 2024
45
Part D claims, 2024
208
Industry payments
$288
Affiliated sites
1
Medical group
1
Practice address
155 White Plains Rd, Tarrytown, NY 10591
Practice phone
Call (845) 896-7730
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hudson Dermatology

Tarrytown, New York

See all 3 affiliations

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Ariella Rosenfeld is a physician assistant in Tarrytown, New York

Ariella Rosenfeld practices at Hudson Dermatology in Tarrytown, New York.

Ariella Rosenfeld's NPI, 1225734221, was assigned on February 1, 2023. Ariella Rosenfeld graduated from Mercy College in 2022. Ariella Rosenfeld holds New Jersey license 25MP00764100.

NPI and contact details
Medicare PAC ID
9436598794
NPI enumeration date
February 1, 2023
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(845) 896-7730
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
30
Medical school graduation
2022

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Ariella Rosenfeld practices at Hudson Dermatology in Tarrytown, New York

Ariella Rosenfeld's primary practice is Hudson Dermatology, at 155 White Plains Rd, Tarrytown, NY 10591 in Westchester County. The practice phone is (845) 896-7730.

  • Hudson Dermatology
    155 White Plains Rd, Tarrytown, NY 10591 · Westchester CountyPhone(845) 896-7730

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Ariella Rosenfeld is affiliated with 2 sites of care and 1 medical group

Ariella Rosenfeld's primary practice is Hudson Dermatology in Tarrytown, New York. The medical group on file is Center for Dermatology and Skin Surgery. Dmand AI also links Ariella Rosenfeld to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Ariella Rosenfeld

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Ariella Rosenfeld's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ariella Rosenfeld practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hudson DermatologyAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Ariella Rosenfeld is one of 11,456 physician assistants in New York

Physician assistant is Ariella Rosenfeld's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ariella Rosenfeld is licensed in New Jersey.

Specialties and state licenses

  • Physician assistant, New JerseyPrimaryLicense 25MP00764100 · taxonomy 363A00000X

Physician assistants near Ariella Rosenfeld

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

11,456physician assistants in New York
6physician assistants in Tarrytown

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Ariella Rosenfeld treated 45 Medicare patients in 2024, average age 76

CMS counts 45 Medicare patients who saw Ariella Rosenfeld in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 0.95, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Ariella Rosenfeld's median patient age at 44, with 47% women.

Medicare patients, 202445
Average age76
Average risk score0.95

Ariella Rosenfeld's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Ariella Rosenfeld's Medicare patients by sex, 2024

  • Women2351%
  • Men2249%

Chronic conditions among Ariella Rosenfeld's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis40%
  4. Ischemic heart disease31%

Share of Medicare patients with each condition. A patient can have several.

Ariella Rosenfeld's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 44

Patient panel by sex, all payers

  • Women47%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Ariella Rosenfeld wrote 208 Medicare Part D claims in 2024

In 2024, Ariella Rosenfeld wrote 208 Medicare Part D claims for 112 patients. 88% of them were for generic drugs.

Part D claims, 2024208
Part D patients112

Ariella Rosenfeld's Part D claims by kind of drug, 2024

  • Generic183 claims88%
  • Brand-name25 claims12%

Drug classes CMS tracks in Ariella Rosenfeld's Part D claims, 2024

  • Antibiotics7%15 of 208 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Ariella Rosenfeld takes part in Medicare

Ariella Rosenfeld accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Ariella Rosenfeld received $288 in industry payments in 2025

CMS Open Payments shows 18 general payments to Ariella Rosenfeld from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Galderma Laboratories, L.P. paid the most, $77.

Companies that paid Ariella Rosenfeld the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Ariella Rosenfeld

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

Ariella Rosenfeld graduated from Mercy College

Ariella Rosenfeld graduated from Mercy College in 2022.

  1. Medical schoolMercy College

Source: Dmand AI Professional Profile Data

Sources for Ariella Rosenfeld'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 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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Ariella Rosenfeld

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

What is Ariella Rosenfeld's NPI number?

Ariella Rosenfeld's NPI number is 1225734221. It was assigned on February 1, 2023, and it is active in the NPI Registry.

What does Ariella Rosenfeld specialize in?

Ariella Rosenfeld is a physician assistant in Tarrytown, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Ariella Rosenfeld practice?

Ariella Rosenfeld practices at 155 White Plains Rd, Tarrytown, NY 10591. Ariella Rosenfeld's primary practice is Hudson Dermatology in Tarrytown, New York. Dmand AI also links Ariella Rosenfeld to 1 group practice or clinic.

What is Ariella Rosenfeld's office phone number?

The practice phone on file for Ariella Rosenfeld is (845) 896-7730.

What is Ariella Rosenfeld's medical license number?

Ariella Rosenfeld holds New Jersey license 25MP00764100.

What medical group is Ariella Rosenfeld part of?

Ariella Rosenfeld is linked to Center for Dermatology and Skin Surgery.

Does Ariella Rosenfeld accept Medicare?

Yes. CMS lists Ariella Rosenfeld as accepting Medicare assignment.

How many Medicare patients does Ariella Rosenfeld see?

CMS counts 45 Medicare patients who saw Ariella Rosenfeld in 2024, with an average age of 76.

Where did Ariella Rosenfeld go to medical school?

Ariella Rosenfeld graduated from Mercy College in 2022.

Has Ariella Rosenfeld received payments from drug or device companies?

CMS Open Payments shows $288 in general payments to Ariella Rosenfeld from 8 companies from 2025 to 2025. The largest total came from Galderma Laboratories, L.P.

How long has Ariella Rosenfeld been practicing?

Ariella Rosenfeld graduated from medical school in 2022, 4 years ago.

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