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MR. ROBERT J MASCARELLI PHYSICIAN ASSISTANT
NPI 1932145687
Physician Assistant - Surgical in Rockville Centre, NY

Active since June 21, 2006PECOS Enrolled
91.25/100
CMS Quality Rating
100 MERRICK RD, SUITE 128W, ROCKVILLE CENTRE, NY 11570(516) 255-9031(616) 255-6010 Get Directions Write a Review

NPPES record last updated: January 6, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Robert J Mascarelli Physician Assistant NPPES

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

MR. ROBERT J MASCARELLI PHYSICIAN ASSISTANT (NPI 1932145687) is an individual surgical provider in Rockville Centre, New York, licensed in New York (008855-1) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Huntington Hospital, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2000).

NPPES Registry Identity

NPI1932145687
Entity TypeIndividualMale
Primary Taxonomy363AS0400X
Provider Legal NameMR. ROBERT J MASCARELLICredential: PHYSICIAN ASSISTANT
Location Address100 MERRICK RD, SUITE 128WRockville Centre, NY 11570-4800
Mailing Address998c Old Country Rd Ste 132Plainview, NY 11803-4917 · (573) 240-6942 · Fax (516) 827-4517
Phone(516) 255-9031
Fax(616) 255-6010
Sole ProprietorNo
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 2000
Enumeration DateJune 21, 2006
Last NPPES UpdateJanuary 6, 2022
NPPES CertifiedJanuary 6, 2022
✔ NPI 1932145687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License✔ Licensed in NY · 008855-1
100 MERRICK RD, Rockville Centre, NY 11570
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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 (PECOS)

Mr. Robert J Mascarelli Physician Assistant is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759385602
PECOS Enrollment IDI20060907000050
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 3

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 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
82 services67 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
27 services23 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
17 services17 patients

Hospital Affiliations CMS Care Compare 4

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

Ns/Lij Hs Huntington Hospital

Acute Care Hospitals · Huntington, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330045
Location270 Park AvenueHuntington, NY 11743 · Suffolk County
Emergency services Birthing friendly

Good Samaritan Hospital Medical Center

Acute Care Hospitals · West Islip, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330286
Location1000 Montauk HighwayWest Islip, NY 11795 · Suffolk County
Emergency services Birthing friendly

Chsli St Joseph Hospital

Acute Care Hospitals · Bethpage, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330332
Location4295 Hempstead TurnpikeBethpage, NY 11714 · Nassau County
Emergency services

St Catherine Of Siena Hospital Medical Center

Acute Care Hospitals · Smithtown, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330401
Location50 Route 25ASmithtown, NY 11787 · Suffolk County
Emergency services Birthing friendly

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.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
Improvement Activities40

Other Providers at the Same Location NPPES 15

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

STEPHEN THOMAS ONESTI M.D.
Neurological Surgery
100 MERRICK RD, SUITE 200W
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 632-7050
DR. MICHAEL H BRISMAN M.D.
Specialist
100 MERRICK RD, SUITE 128 W
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 255-9031
NEUROLOGICAL SURGERY PRACTICE OF LONG ISLAND PLLC
Neurological Surgery
100 MERRICK RD, SUITE 128 W
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 255-9031
DR. ANDREW BARRY RUTMAN D.D.S.
Dentist (General Practice)
100 MERRICK RD, SUITE 106 EAST
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 766-5558
MS. CYNTHIA LUANN SPRAGG MSPH, PA-C
Physician Assistant
100 MERRICK RD, SUITE 128W
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 255-9031
KEVIN WONG CNIM
Specialist/Technologist, Other
100 MERRICK RD
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 321-2589
VLADIMIR DADASHEV MD
Neurological Surgery
100 MERRICK RD, SUITE 128 WEST
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 255-9031
NSPC PLASTICS
Plastic Surgery
100 MERRICK RD, SUITE 128 W
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 442-3461

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 Robert Mascarelli's NPI number?

The NPI number for Robert Mascarelli is 1932145687. It was assigned to this individual provider in the NPPES registry on June 21, 2006.

Where is Robert Mascarelli located?

Robert Mascarelli practices at 100 Merrick Rd Suite 128W, Rockville Centre, NY 11570. The listed phone number is (516) 255-9031.

What is Robert Mascarelli's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Robert Mascarelli enrolled in Medicare?

Yes. Robert Mascarelli is registered in the Medicare PECOS enrollment system.

Is Robert Mascarelli affiliated with any hospitals?

According to CMS data, Robert Mascarelli is affiliated with Ns/Lij Hs Huntington Hospital, Good Samaritan Hospital Medical Center, Chsli St Joseph Hospital and St Catherine Of Siena Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Robert Mascarelli was last updated on January 6, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.