Ellen Milagros Marchese, MD
Infectious Disease Physician · Hempstead, NY
Ellen Milagros Marchese, MD is an infectious disease physician with a practice address in Hempstead, New York, and NPI 1730309907, issued on Apr 27, 2007. Check the license (New York 243318, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ellen Milagros Marchese
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 243318 NY
Self-reported in NPPES; status is on the state search - Practice location
- 230 Hilton Ave, Hempstead, NY 11550
- Phone
- (516) 565-5200
- Enumerated
- Apr 27, 2007
- Record last updated
- Jun 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (516) 565-6215
- Medicare enrollment
- Enrolled (PECOS I20081205000813); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 970 in New York → Look up another NPI →
Also registered at 230 Hilton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ellen Milagros Marchese in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 243318Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average infectious disease physician in 2024
178 Medicare Part D claims for 28 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Biktarvy20 claims
- Lisinopril13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $123.77
3 payments; by number, the most common kind was food and beverage; the largest payer was Paratek Pharmaceuticals, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Marchese Integrative Medical Practice PCMaspeth, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellen Milagros Marchese among 970 infectious disease physician records in New York
Ellen Milagros Marchese, MD is one of 970 infectious disease physician records with a practice address in New York. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 41% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2001 · median 2002 among the 624 with a school on file
- Record last updated2018 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in New York
There are 970 infectious disease physician records in New York.
All 970 in New York → Every provider in Hempstead → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Scott Horowitz, M.D.Hempstead, NY 115501144211202
- Mossammat Mansur, M.DHempstead, NY 115501609856889
- Yaixa Rentas-Torres, MDHempstead, NY 115501750694626
- Nisha Sethi, MDHempstead, NY 115501669437224
- Saira Shahab, MDHempstead, NY 115501144271784
- David Brieff, M.D.Greenvale, NY 115481407806201
- Alan Bulbin, M.D.Greenvale, NY 115481053360628
- Dava Klirsfeld, MDGreenvale, NY 115481376592980
Common questions
What is Ellen Milagros Marchese, MD's NPI number?
Ellen Milagros Marchese, MD's National Provider Identifier (NPI) is 1730309907, issued on Apr 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Milagros Marchese, MD located?
The NPPES record lists a practice address at 230 Hilton Ave, Hempstead, NY, 11550. Phone: (516) 565-5200. Providers update this record themselves, so call before visiting.
How can I verify Ellen Milagros Marchese, MD's license?
NPPES lists New York license number 243318, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ellen Milagros Marchese, MD prescribe under Medicare Part D?
In 2024, Ellen Milagros Marchese, MD had 178 Medicare Part D claims for 28 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.