Dr. Ann Marchesano, MD
- Part D claims, 2024
- 29
- Hospital affiliations
- 1
- Industry payments
- $213
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 100 Woods Rd, Valhalla, NY 10595
- Practice phone
- Call (914) 493-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marchesano'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. Ann Marchesano is an emergency medicine physician in Valhalla, New York
Dr. Marchesano practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Dr. Marchesano's NPI, 1023036498, was assigned on July 17, 2006. Dr. Marchesano holds New York license 192970.
- NPI
- 1023036498NPI Registry (opens in a new tab)
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Practice phone
- (914) 493-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ann Marchesano practices at Westchester Medical Center in Valhalla, New York
Dr. Marchesano's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.
- Westchester Medical Center100 Woods Rd, Valhalla, NY 10595 · Westchester CountyPhone(914) 493-7000
Source: Dmand AI Affiliation Data
Dr. Ann Marchesano is affiliated with 1 site of care
Dr. Marchesano's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ann Marchesano's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marchesano practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Medical Center | 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 Westchester Medical Center Health Network and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ann Marchesano is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Marchesano's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Marchesano is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Marchesano
Counts of emergency medicine physicians 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. Ann Marchesano's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Marchesano's median patient age at 57, with 5% women.
Dr. Marchesano's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women5%
- Men95%
Source: Dmand AI Patient Panel Data
Dr. Ann Marchesano wrote 29 Medicare Part D claims in 2024
In 2024, Dr. Marchesano wrote 29 Medicare Part D claims for 14 patients. 76% of them were for generic drugs. They cover 3 drugs, with $526 in total drug cost. In 2022, CMS named 11 claims across 1 drug.
Dr. Marchesano's Part D claims by kind of drug, 2024
- Generic22 claims76%
- Brand-name and other7 claims24%
Dr. Marchesano's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 112023: 56409%
Drugs named by CMS: 3 in 2023, 1 in 2022.
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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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ann Marchesano received $213 in industry payments from 2018 to 2019
CMS Open Payments shows 2 general payments to Dr. Marchesano from 1 drug or device company from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Celgene Corporation paid the most, $213.
General payments to Dr. Marchesano by program year, 2018 to 2019
Companies that paid Dr. Marchesano the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ann Marchesano'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Dr. Ann Marchesano
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. Ann Marchesano's NPI number?
Dr. Ann Marchesano's NPI number is 1023036498. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ann Marchesano?
Dr. Ann Marchesano is an emergency medicine physician in Valhalla, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Ann Marchesano practice?
Dr. Marchesano practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Marchesano's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
What is Dr. Ann Marchesano's office phone number?
The practice phone on file for Dr. Marchesano is (914) 493-7000.
What is Dr. Ann Marchesano's medical license number?
Dr. Marchesano holds New York license 192970.
Which hospitals is Dr. Ann Marchesano affiliated with?
Dr. Marchesano practices at Westchester Medical Center in Valhalla, New York.
What drugs does Dr. Ann Marchesano prescribe most?
In 2023 Medicare Part D data, Dr. Marchesano's most prescribed drugs by claims were Famotidine, Fluticasone Propionate and Omeprazole.
Has Dr. Ann Marchesano received payments from drug or device companies?
CMS Open Payments shows $213 in general payments to Dr. Marchesano from 1 company from 2018 to 2019. The largest total came from Celgene Corporation.
How long has Dr. Ann Marchesano been practicing?
Dr. Marchesano's NPI was assigned in 2006.
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