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DR. SHANNON FLAHERTY KOSTIN MD
NPI 1922567841
Pediatrics in Morristown, NJ

Active since March 19, 2019PECOS Enrolled
100 MADISON AVE, MORRISTOWN, NJ 07960(718) 283-6879 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 22, 2023, Mar 19, 2019 (2 updates tracked since 2019).

About Dr. Shannon Flaherty Kostin Md NPPES

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

DR. SHANNON FLAHERTY KOSTIN MD (NPI 1922567841) is an individual pediatrics provider in Morristown, New Jersey, licensed in New Jersey (25MA11785900) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Brooklyn, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1922567841
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. SHANNON FLAHERTY KOSTINCredential: MD
Location Address100 MADISON AVEMorristown, NJ 07960-6136
Mailing Address100 Madison AveMorristown, NJ 07960-6136 · (973) 971-5000
Phone(718) 283-6879
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 19, 2019
Last NPPES UpdateOctober 13, 20252 updates tracked since enumeration
NPPES CertifiedOctober 13, 2025
✔ NPI 1922567841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NJ · 25MA11785900
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 MADISON AVE, Morristown, NJ 07960
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Secondary Practice Location 1

Location 14802 10th AveBrooklyn, NY 11219-2916 · Phone (718) 283-6879

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Shannon Flaherty Kostin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5294063814
PECOS Enrollment IDI20251014003789
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 Shannon Kostin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Emergency Physician Associates Of North Jersey P C
7.9 mi
Emergency Medicine
99 BEAUVOIR AVE
Summit, NJ 07901
  • Reassigned Medicare billing, New Jersey enrollment
  • 436 clinicians in this Medicare group
NPI 1497783419 (908) 522-2000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07960 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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
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.

MELISSA LOPES M.D
Anesthesiology
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (201) 943-5831
MORRISTOWN MEMORIAL HOSPITAL
General Acute Care Hospital
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (888) 250-9947
VINCENT MAIXNER LCSW
Social Worker (Clinical)
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-5000
MEGAN LYNN CATHEY NP-C
Nurse Practitioner (Adult Health)
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-5358
ANTHONY RIZZUTI
Nurse Anesthetist, Certified Registered
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (800) 991-9133
OMAR MOHAMMED ABDELFATTAH MBBCH
Student in an Organized Health Care Education/Training Program
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-5000
ALEXANDER CASCAIS MD
Student in an Organized Health Care Education/Training Program
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-5000
DEVEA RANI DE MD
Student in an Organized Health Care Education/Training Program
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-5000

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 Shannon Kostin's NPI number?

The NPI number for Shannon Kostin is 1922567841. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is Shannon Kostin located?

Shannon Kostin practices at 100 Madison Ave, Morristown, NJ 07960. The listed phone number is (718) 283-6879.

What is Shannon Kostin's specialty?

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

Is Shannon Kostin enrolled in Medicare?

Yes. Shannon Kostin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Shannon Kostin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Kostin reassigns Medicare benefits to Emergency Physician Associates Of North Jersey P C (Summit, NJ). 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 Shannon Kostin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Shannon Kostin was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.