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MICHELLE RENEE EWART MD
NPI 1013996990
Pathology - Anatomic Pathology in New Rochelle, NY

Active since January 10, 2006PECOS Enrolled
100/100
CMS Quality Rating
16 GUION PL, NEW ROCHELLE, NY 10801(914) 632-5000(914) 632-2927 Get Directions Write a Review

NPPES record last updated: December 19, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Michelle Renee Ewart Md NPPES

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

MICHELLE RENEE EWART MD (NPI 1013996990) is an individual anatomic pathology provider in New Rochelle, New York, licensed in New York (2138131) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Icahn School Of Medicine At Mount Sinai (1995).

NPPES Registry Identity

NPI1013996990
Entity TypeIndividualFemale
Primary Taxonomy207ZP0101X
Provider Legal NameMICHELLE RENEE EWARTCredential: MD
Location Address16 GUION PLNew Rochelle, NY 10801
Mailing Address16 Guion PlNew Rochelle, NY 10802 · (914) 632-5000 · Fax (914) 632-2927
Phone(914) 632-5000
Fax(914) 632-2927
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 1995
Enumeration DateJanuary 10, 2006
Last NPPES UpdateDecember 19, 2007
✔ NPI 1013996990 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0101X
License✔ Licensed in NY · 2138131
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
16 GUION PL, New Rochelle, NY 10801
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Other Identifiers 2

Medicare PIN50R511NY
Medicare UPINH47672

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michelle Renee Ewart Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3274612312
PECOS Enrollment IDI20080430000910
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.

Medicare Billing Reassignment

Medicare enrollment records show Michelle Ewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Montefiore Medical Center
5.3 mi
Anesthesiology
111 E 210TH ST
Bronx, NY 10467
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
NPI 1063525152 (914) 378-6021

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
657 services320 patients
Preparation of tissue for examination by removing any calcium present 88311
This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.
132 services118 patients
Pathology examination of tissue using a microscope, moderately low complexity 88304
A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.
106 services85 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
27 services24 patients
Pathology examination of tissue using a microscope, limited examination 88300
A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.
24 services24 patients
Special stained specimen slides to identify organisms including interpretation and report 88312
This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.
19 services16 patients

Hospital Affiliations CMS Care Compare 3

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

Montefiore Medical Center

Acute Care Hospitals · Bronx, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330059
Location111 East 210th StreetBronx, NY 10467 · Bronx County
Emergency services Birthing friendly

Montefiore Mount Vernon Hospital

Acute Care Hospitals · Mount Vernon, NY
OwnershipVoluntary non-profit - Private
CMS Certification Number330086
Location12 North 7th AvenueMount Vernon, NY 10550 · Westchester County
Emergency services

Montefiore New Rochelle Hospital

Acute Care Hospitals · New Rochelle, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330184
Location16 Guion PlaceNew Rochelle, NY 10802 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10801 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

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. RAMATALLAH ATINUKE BALOGUN MD
Student in an Organized Health Care Education/Training Program
16 GUION PL
NEW ROCHELLE, NY 10801
Westchester County (914) 365-3680
HYUN CHUNG MD
Emergency Medicine
16 GUION PL, SOUND SHORE MEDICAL CENTER OF WESTCHESTER
NEW ROCHELLE, NY 10801
Westchester County (914) 632-5000
ELANA MIRIAM FRIEDMAN MD
Student in an Organized Health Care Education/Training Program
16 GUION PL
NEW ROCHELLE, NY 10801
Westchester County (914) 365-3680
DR. DANIEL HAROLD POMERANTZ MD
Internal Medicine
16 GUION PL
NEW ROCHELLE, NY 10801
Westchester County (914) 365-3615
DR. BURTON L HERZ M.D.
Surgery
16 GUION PL
NEW ROCHELLE, NY 10801
Westchester County (914) 637-1396
DR. MA PAMELA GALLARDO DEMIGILLO MD
Student in an Organized Health Care Education/Training Program
16 GUION PL
NEW ROCHELLE, NY 10801
Westchester County (914) 365-5000
ABHISHEK BASNET MD
Student in an Organized Health Care Education/Training Program
16 GUION PL
NEW ROCHELLE, NY 10801
Westchester County (914) 365-3680
DR. KEVIN L MEACHAM M.D.
Obstetrics & Gynecology
16 GUION PL
NEW ROCHELLE, NY 10801
Westchester County (914) 632-5000

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 Michelle Ewart's NPI number?

The NPI number for Michelle Ewart is 1013996990. It was assigned to this individual provider in the NPPES registry on January 10, 2006.

Where is Michelle Ewart located?

Michelle Ewart practices at 16 Guion Pl, New Rochelle, NY 10801. The listed phone number is (914) 632-5000.

What is Michelle Ewart's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Is Michelle Ewart enrolled in Medicare?

Yes. Michelle Ewart is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michelle Ewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Ewart reassigns Medicare benefits to Montefiore Medical Center (Bronx, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michelle Ewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michelle Ewart affiliated with any hospitals?

According to CMS data, Michelle Ewart is affiliated with Montefiore Medical Center, Montefiore Mount Vernon Hospital and Montefiore New Rochelle Hospital.

When was this NPI record last updated?

The NPPES record for Michelle Ewart was last updated on December 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.