1. Home
  2. Directory
  3. New York
  4. Stony Brook
  5. Pediatrics
  6. NPI Profile

DR. MERISSA ANN RZONCA MD
NPI 1366775181
Pediatrics in Stony Brook, NY

Active since September 11, 2009PECOS Enrolled
100 NICOLLS RD, STONY BROOK, NY 11794(631) 444-0650 Get Directions Write a Review

NPPES record last updated: July 25, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 25, 2024, Jul 30, 2022 (2 updates tracked since 2022).

About Dr. Merissa Ann Rzonca Md NPPES

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

DR. MERISSA ANN RZONCA MD (NPI 1366775181) is an individual pediatrics provider in Stony Brook, New York, licensed in New York (255077) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366775181
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MERISSA ANN RZONCACredential: MD
Location Address100 NICOLLS RDStony Brook, NY 11794-0989
Mailing AddressPo Box 1559Stony Brook, NY 11790-0989
Phone(631) 444-0650
Sole ProprietorNo
Enumeration DateSeptember 11, 2009
Last NPPES UpdateJuly 25, 20242 updates tracked since enumeration
NPPES CertifiedJuly 25, 2024
✔ NPI 1366775181 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NY · 255077
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
100 NICOLLS RD, Stony Brook, NY 11794
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Merissa Ann Rzonca Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
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.

MALWINA WLOCH M.D.
Anesthesiology
100 NICOLLS RD, SUNY AT STONY BROOK - DEPARTMENT OF ANESTHESIOLOGY
STONY BROOK, NY 11794
Suffolk County (631) 444-2968
CHABIDOU SAMPAIN FNP
Psychiatry & Neurology (Geriatric Psychiatry)
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 358-1423
MISS KAITLYN SBROLLINI
Student in an Organized Health Care Education/Training Program
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 331-6388
DR. RASAN KASHYAP CHERALA MD
Internal Medicine
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (425) 753-8665
EMILY GRACE DEEHAN
Specialist/Technologist (Athletic Trainer)
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 632-6000
DR. MUHAMMAD IBRAHIM CHOUDRY MD
Anesthesiology
100 NICOLLS RD, HEALTH SCIENCES CENTER L4-060 (Z8480)
STONY BROOK, NY 11794
Suffolk County (631) 444-2975
DR. KEITH THOMAS DIAZ M.D.
Internal Medicine
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 444-2754
DR. JOSEPH CABALLERO M.D.
Anesthesiology
100 NICOLLS RD, DEPT OF ANESTHESIOLOGY HEALTH SCIENCES CENTER L4 #060
STONY BROOK, NY 11794
Suffolk County (631) 444-2975

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 Merissa Rzonca's NPI number?

The NPI number for Merissa Rzonca is 1366775181. It was assigned to this individual provider in the NPPES registry on September 11, 2009.

Where is Merissa Rzonca located?

Merissa Rzonca practices at 100 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (631) 444-0650.

What is Merissa Rzonca's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Merissa Rzonca enrolled in Medicare?

Yes. Merissa Rzonca is registered in the Medicare PECOS enrollment system.

What insurance does Merissa Rzonca accept?

Health plans from Molina Healthcare list Merissa Rzonca as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Merissa Rzonca was last updated on July 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.