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DR. ELLEN MILAGROS MARCHESE MD
NPI 1730309907
Internal Medicine - Infectious Disease in Hempstead, NY

Active since April 27, 2007PECOS EnrolledAccepts Medicare Assignment
230 HILTON AVE, SUITE 18, HEMPSTEAD, NY 11550(516) 565-5200(516) 565-6215 Get Directions Write a Review

NPPES record last updated: June 11, 2018. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Ellen Milagros Marchese Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ELLEN MILAGROS MARCHESE MD (NPI 1730309907) is an individual infectious disease provider in Hempstead, New York, licensed in New York (243318) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Mount Sinai South Nassau, and is a graduate of Ponce School Of Medicine (2001).

NPPES Registry Identity

NPI1730309907
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. ELLEN MILAGROS MARCHESECredential: MD
Location Address230 HILTON AVE, SUITE 18Hempstead, NY 11550
Mailing Address230 Hilton Avenue, Suite 18Hempstead, NY 11550 · (516) 565-5200 · Fax (516) 565-6215
Phone(516) 565-5200
Fax(516) 565-6215
Sole ProprietorNo
Medical School CMSPonce School Of MedicineGraduated 2001
Enumeration DateApril 27, 2007
Last NPPES UpdateJune 11, 2018
✔ NPI 1730309907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in NY · 243318
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
230 HILTON AVE, Hempstead, NY 11550
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ellen Milagros Marchese Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284720673
PECOS Enrollment IDI20081205000813
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
277 services175 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
195 services186 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
66 services53 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
35 services20 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
22 services13 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
17 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Sinai South Nassau

Acute Care Hospitals · Oceanside, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330198
LocationOne Healthy WayOceanside, NY 11572 · Nassau County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JOANNE KASS PSY.D
Psychologist
230 HILTON AVE
HEMPSTEAD, NY 11550
Nassau County (516) 445-4594
DR. SABAA MUNDIA DPT
Physical Therapist
230 HILTON AVE, SUITE 19 AND 20
HEMPSTEAD, NY 11550
Nassau County (516) 307-9166
MR. MARC R IMUNDO MD
Ophthalmology
230 HILTON AVE, STE 107
HEMPSTEAD, NY 11550
Nassau County (516) 742-4442
DR. DAVID IMMANUEL M.D., PH.D.
Ophthalmology
230 HILTON AVE, SUITE 207
HEMPSTEAD, NY 11550
Nassau County (631) 265-8780
DR. ALICE TONER AMBROSE ZIEHER PH.D.
Psychologist
230 HILTON AVE, SUITE 16
HEMPSTEAD, NY 11550
Nassau County (516) 505-0848
GARDEN CITY INTERNAL MEDICINE
Internal Medicine
230 HILTON AVE, SUITE# 20
HEMPSTEAD, NY 11550
Nassau County (516) 565-2060
MARC ADLER MD PLLC
Internal Medicine
230 HILTON AVE, SUITE 213
HEMPSTEAD, NY 11550
Nassau County (516) 538-0300
GEORGE S. STOICA, MD, FCCP, PLLC
Internal Medicine (Sleep Medicine)
230 HILTON AVE, 213
HEMPSTEAD, NY 11550
Nassau County (516) 292-3587

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ellen Marchese's NPI number?

The NPI number for Ellen Marchese is 1730309907. It was assigned to this individual provider in the NPPES registry on April 27, 2007.

Where is Ellen Marchese located?

Ellen Marchese practices at 230 Hilton Ave Suite 18, Hempstead, NY 11550. The listed phone number is (516) 565-5200.

What is Ellen Marchese's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Ellen Marchese enrolled in Medicare?

Yes. Ellen Marchese is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Ellen Marchese affiliated with any hospitals?

According to CMS data, Ellen Marchese is affiliated with Mount Sinai South Nassau.

When was this NPI record last updated?

The NPPES record for Ellen Marchese was last updated on June 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.