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DR. KRISTIN LEIGH CASASANTA M.D.
NPI 1942469622
Pediatrics in Mamaroneck, NY

Active since June 06, 2008PECOS Enrolled
620 E BOSTON POST RD, MAMARONECK, NY 10543(914) 777-5437(914) 630-0907 Get Directions Write a Review

NPPES record last updated: November 18, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Kristin Leigh Casasanta M.d. NPPES

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

DR. KRISTIN LEIGH CASASANTA M.D. (NPI 1942469622) is an individual pediatrics provider in Mamaroneck, New York, licensed in New York (281956) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942469622
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. KRISTIN LEIGH CASASANTACredential: M.D.
Location Address620 E BOSTON POST RDMamaroneck, NY 10543-3741
Mailing Address620 E Boston Post RdMamaroneck, NY 10543-3741 · (914) 777-5437 · Fax (914) 630-0907
Phone(914) 777-5437
Fax(914) 630-0907
Sole ProprietorYes
Enumeration DateJune 6, 2008
Last NPPES UpdateNovember 18, 2015
✔ NPI 1942469622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in NY · 281956✔ Licensed in MD · D71927✔ Licensed in CT · 54695
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.
620 E BOSTON POST RD, Mamaroneck, NY 10543
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kristin Leigh Casasanta 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 Reassignments

3

Medicare enrollment records show Kristin Casasanta reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mill Hill Medical Consultants Inc
6.1 mi
Cardiovascular Disease
55 HOLLY HILL LN, SUITE 240
Greenwich, CT 06830
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Northeast Medical Group Inc
  • 1,824 clinicians in this Medicare group
NPI 1396755245 (203) 863-4210
Northeast Medical Group, PLLC
7.6 mi
Internal Medicine
5 PERRYRIDGE RD
Greenwich, CT 06830
  • Reassigned Medicare billing, New York enrollment
  • 47 clinicians in this Medicare group
NPI 1942526207 (203) 384-3975
Greenwich Hospital
7.8 mi
General Acute Care Hospital
5 PERRYRIDGE RD
Greenwich, CT 06830
  • Reassigned Medicare billing, Connecticut enrollment
  • 268 clinicians in this Medicare group
NPI 1609846088 (203) 863-3000

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 10543 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 7

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

DR. ELISA ARGOTA D.O.
Pediatrics
620 E BOSTON POST RD
MAMARONECK, NY 10543
Westchester County (914) 777-5437
SARAH SEAFORTH
Pediatrics
620 E BOSTON POST RD
MAMARONECK, NY 10543
Westchester County (914) 777-5437
DR. ANDREA ZAMBETTI LEDOUX M.D.
Pediatrics
620 E BOSTON POST RD
MAMARONECK, NY 10543
Westchester County (914) 777-5437
DR. ELENA ERIKA GAZZOLA-KRAENZLIN M.D.
Pediatrics
620 E BOSTON POST RD
MAMARONECK, NY 10543
Westchester County (914) 777-5437
ANDRE PERSAUD M.D.
Pediatrics (Pediatric Emergency Medicine)
620 E BOSTON POST RD
MAMARONECK, NY 10543
Westchester County (914) 777-5437
MEIRAV SIEGEL-RICHMAN CPNP
Nurse Practitioner (Pediatrics)
620 E BOSTON POST RD
MAMARONECK, NY 10543
Westchester County (914) 777-5437
KARIN SADOW MD
Pediatrics (Pediatric Emergency Medicine)
620 E BOSTON POST RD
MAMARONECK, NY 10543
Westchester County (914) 777-5437

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 Kristin Casasanta's NPI number?

The NPI number for Kristin Casasanta is 1942469622. It was assigned to this individual provider in the NPPES registry on June 6, 2008.

Where is Kristin Casasanta located?

Kristin Casasanta practices at 620 E Boston Post Rd, Mamaroneck, NY 10543. The listed phone number is (914) 777-5437.

What is Kristin Casasanta's specialty?

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

Is Kristin Casasanta enrolled in Medicare?

Yes. Kristin Casasanta is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kristin Casasanta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Casasanta reassigns Medicare benefits to 3 organizations: Mill Hill Medical Consultants Inc (Greenwich, CT), Northeast Medical Group, PLLC (Greenwich, CT) and Greenwich Hospital (Greenwich, CT). Each 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 Kristin Casasanta'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 Kristin Casasanta was last updated on November 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.