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MERCY INTERNAL MEDICINE PC
NPI 1376734079
Internal Medicine in Rockville Centre, NY

Active since August 07, 2007
1000 N. VILLAGE AVENUE, ROCKVILLE CENTRE, NY 11571(516) 705-1353 Get Directions Write a Review

NPPES record last updated: April 8, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mercy Internal Medicine Pc NPPES

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

MERCY INTERNAL MEDICINE PC (NPI 1376734079) is a healthcare organization registered as an internal medicine in Rockville Centre, New York and active in the NPI registry since August 2007. The organization lists John Reilly, Direcor, as its authorized official.

NPPES Registry Identity

NPI1376734079
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMERCY INTERNAL MEDICINE PC
Location Address1000 N. VILLAGE AVENUERockville Centre, NY 11571
Mailing AddressP.o. Box 798Rockville Centre, NY 11571 · (516) 705-1353 · Fax (516) 705-3575
Phone(516) 705-1353
Organization SubpartNo
Authorized OfficialJohn ReillyDirecor · (516) 705-1353
Enumeration DateAugust 7, 2007
Last NPPES UpdateApril 8, 2008
✔ NPI 1376734079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 178140
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1000 N. VILLAGE AVENUE, Rockville Centre, NY 11571
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Other Identifiers 1

Medicare PINWYQVV1NY

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mercy Internal Medicine Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

30

Medicare enrollment records show 30 clinicians reassign Medicare billing to Mercy Internal Medicine PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 24 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Cardiovascular Disease (Cardiology)14
Neurology6
Critical Care (Intensivists)3
Internal Medicine3
Pulmonary Disease3
Vascular Surgery1

Nearest to this location (20)

See all 30
Chrisoula Politis, MD
Critical Care (Intensivists)
NPI 1346500451
1000 N VILLAGE AVE
Rockville Centre, NY 11570
(516) 705-1613
✔ PECOS✔ Accepts MedicareSame address
Thierry Duchatellier, MD
Cardiovascular Disease (Cardiology)
NPI 1619987120
2000 NORTH VILLAGE AVE SUITE 106 - 108
Rockville Centre, NY 11570
(516) 678-1444
✔ PECOS✔ Accepts Medicare0.1 mi
Qamar Zaman, MD FACC
Cardiovascular Disease (Cardiology)
NPI 1871585182
2000 N VILLAGE AVE STE 102
Rockville Centre, NY 11570
(516) 678-4447
✔ PECOS✔ Accepts Medicare0.3 mi
Angelito Tan, MD
Neurology
NPI 1831115179
2000 NORTH VILLAGE AVENUE STE 202
Rockville Centre, NY 11570
(516) 536-5511
✔ PECOS0.3 mi
Corey Ziff, MD
Cardiovascular Disease (Cardiology)
NPI 1629071980
225 NASSAU BOULEVARD
West Hempstead, NY 11552
(516) 539-1800
✔ PECOS1.7 mi
Sidharth Yadav, D.O.
Cardiovascular Disease (Cardiology)
NPI 1093954802
230 HILTON AVE SUITE 105
Hempstead, NY 11550
(516) 483-6440
✔ PECOS✔ Accepts Medicare2.0 mi
Emilio Del Priore, M.D.
Cardiovascular Disease (Cardiology)
NPI 1326082496
230 HILTON AVE SUITE 110
Hempstead, NY 11550
(516) 565-5500
✔ PECOS✔ Accepts Medicare2.0 mi
Charles Mitgang, M.D.
Internal Medicine
NPI 1114923315
371 MERRICK RD STE 302
Rockville Centre, NY 11570
(516) 678-5555
✔ PECOS✔ Accepts Medicare2.1 mi
Joseph Jeret, MD
Neurology
NPI 1740235993
242 MERRICK RD STE 302
Rockville Centre, NY 11570
(516) 374-8566
✔ PECOS✔ Accepts Medicare2.2 mi
Perry Wyner, M.D.
Internal Medicine
NPI 1639102031
2 LINCOLN AVE SUITE 201
Rockville Centre, NY 11570
(516) 536-0600
✔ PECOS2.5 mi
Mohammed Muneeruddin
Cardiovascular Disease (Cardiology)
NPI 1649242488
108 HEMPSTEAD AVE
Lynbrook, NY 11563
(516) 599-0204
✔ PECOS✔ Accepts Medicare2.6 mi
Asra Husain, DO
Neurology
NPI 1275795387
1129 LINDEN ST
Valley Stream, NY 11580
(516) 823-0316
✔ PECOS✔ Accepts Medicare2.7 mi
Mohammad Husain, MD
Neurology
NPI 1689609141
1129 LINDEN ST
Valley Stream, NY 11580
(516) 823-0316
✔ PECOS✔ Accepts Medicare2.7 mi
Jean Robert Desrouleaux, MD
Neurology
NPI 1609809169
900 FRANKLIN AVE
Valley Stream, NY 11580
(800) 376-5566
✔ PECOS2.8 mi
David Weinstock, M.D.,F.A.C.C.
Cardiovascular Disease (Cardiology)
NPI 1003806290
253 BROADWAY
Lynbrook, NY 11563
(516) 596-6100
✔ PECOS✔ Accepts Medicare3.3 mi
Gurmit Gill, MD
Pulmonary Disease
NPI 1730134339
623 STEWART AVE
Garden City, NY 11530
(516) 741-0055
✔ PECOS✔ Accepts Medicare3.4 mi
Xenophon Xenophontos, M.D.
Vascular Surgery
NPI 1790735991
231 WASHINGTON AVE
Garden City, NY 11530
(516) 227-2721
✔ PECOS✔ Accepts Medicare3.7 mi
Leon Mullen, MD
Cardiovascular Disease (Cardiology)
NPI 1497831986
30 MERRICK AVENUE SUITE 105
East Meadow, NY 11554
(516) 542-0255
✔ PECOS✔ Accepts Medicare3.8 mi
Alan Wong
Critical Care (Intensivists)
NPI 1407091242
146 EMORY RD
Mineola, NY 11501
(516) 280-4865
✔ PECOS3.9 mi
Bhanu Siva Kumar Sabbula, MBBS
Pulmonary Disease
NPI 1548623275
2201 HEMPSTEAD TPKE
East Meadow, NY 11554
(516) 296-2147
✔ PECOS✔ Accepts Medicare5.1 mi
See all 30 clinicians

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

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 Mercy Internal Medicine PC's NPI number?

The NPI number for Mercy Internal Medicine PC is 1376734079. It was assigned to this organization in the NPPES registry on August 7, 2007.

Where is Mercy Internal Medicine PC located?

Mercy Internal Medicine PC is located at 1000 N. Village Avenue, Rockville Centre, NY 11571. The listed phone number is (516) 705-1353.

What is Mercy Internal Medicine PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mercy Internal Medicine PC enrolled in Medicare?

Yes. Mercy Internal Medicine PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mercy Internal Medicine PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 30 clinicians in 6 Medicare specialties reassign their Medicare billing to Mercy Internal Medicine PC. A 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 the clinician's services. The largest specialties are Cardiovascular Disease (Cardiology) (14), Neurology (6) and Critical Care (Intensivists) (3). Of these, 1 practice at this address and 24 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mercy Internal Medicine PC was last updated on April 8, 2008. 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.