DR. ALYCIA LEIBY M.D.
NPI 1871626051
Pediatrics - Pediatric Gastroenterology in Morristown, NJ

Active since March 14, 2007PECOS Enrolled
100 MADISON AVENUE, MORRISTOWN, NJ 07960(973) 971-5676(973) 290-7365 Get Directions Write a Review

NPPES record last updated: September 19, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Alycia Leiby M.d. NPPES

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

DR. ALYCIA LEIBY M.D. (NPI 1871626051) is an individual pediatric gastroenterology provider in Morristown, New Jersey, licensed in New Jersey (25MA08553000) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871626051
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameDR. ALYCIA LEIBYCredential: M.D.
Location Address100 MADISON AVENUEMorristown, NJ 07960
Mailing AddressPo Box 416457Boston, MA 02241-6457 · (973) 656-6280 · Fax (973) 290-7495
Fax(973) 290-7365
Sole ProprietorNo
Enumeration DateMarch 14, 2007
Last NPPES UpdateSeptember 19, 2019
✔ NPI 1871626051 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in NJ · 25MA08553000
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
100 MADISON AVENUE, Morristown, NJ 07960

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alycia Leiby M.d. 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.

Medicare Billing Reassignment

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

Internal Medicine
100 MADISON AVENUE, INTEROFFICE #68
Morristown, NJ 07960
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,699 clinicians in this Medicare group

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
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
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.

Internal Medicine (Hematology & Oncology)
100 MADISON AVENUE, CAROL G SIMON CANCER CENTER- 2ND FLOOR
MORRISTOWN, NJ 07960
Pediatrics (Pediatric Gastroenterology)
100 MADISON AVENUE
MORRISTOWN, NJ 07960
Surgery (Pediatric Surgery)
100 MADISON AVENUE, FARRIS BUILDING, THIRD FLOOR
MORRISTOWN, NJ 07960
Student in an Organized Health Care Education/Training Program
100 MADISON AVENUE
MORRISTOWN, NJ 07960
Pediatrics (Pediatric Gastroenterology)
100 MADISON AVENUE
MORRISTOWN, NJ 07960
Pathology (Anatomic Pathology & Clinical Pathology)
100 MADISON AVENUE, DEPARTMENT OF PATHOLOGY
MORRISTOWN, NJ 07960
Anesthesiology
100 MADISON AVENUE
MORRISTOWN, NJ 07960
Pathology (Anatomic Pathology & Clinical Pathology)
100 MADISON AVENUE
MORRISTOWN, NJ 07960

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 Alycia Leiby's NPI number?

The NPI number for Alycia Leiby is 1871626051. It was assigned to this individual provider in the NPPES registry on March 14, 2007.

Where is Alycia Leiby located?

Alycia Leiby practices at 100 Madison Avenue, Morristown, NJ 07960. The listed phone number is (973) 971-5676.

What is Alycia Leiby's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Alycia Leiby enrolled in Medicare?

Yes. Alycia Leiby is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alycia Leiby's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alycia Leiby reassigns Medicare benefits to Practice Associates Medical Group (Morristown, 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 Alycia Leiby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alycia Leiby accept?

Health plans from Oscar Health list Alycia Leiby 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 Alycia Leiby was last updated on September 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.