ANDREW GENESLAW MD
NPI 1538435649
Pediatrics - Pediatric Critical Care Medicine in New York, NY

Active since March 23, 2012PECOS EnrolledAccepts Medicare Assignment
3959 BROADWAY, NEW YORK, NY 10032(212) 305-5437 Get Directions Write a Review

NPPES record last updated: February 8, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 8, 2024, Nov 10, 2015 (2 updates tracked since 2015).

About Andrew Geneslaw Md NPPES

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

ANDREW GENESLAW MD (NPI 1538435649) is an individual pediatric critical care medicine provider in New York, New York, licensed in New York (274232) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (2012).

NPPES Registry Identity

NPI1538435649
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameANDREW GENESLAWCredential: MD
Location Address3959 BROADWAYNew York, NY 10032-1559
Mailing Address3959 BroadwayNew York, NY 10032-1559 · (212) 305-5437
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2012
Enumeration DateMarch 23, 2012
Last NPPES UpdateFebruary 8, 20242 updates tracked since enumeration
NPPES CertifiedFebruary 8, 2024
✔ NPI 1538435649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in NY · 274232
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License 274232 (NY)
3959 BROADWAY, New York, NY 10032

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Andrew Geneslaw Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072816172
PECOS Enrollment IDI20160125000300
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

2

Medicare enrollment records show Andrew Geneslaw reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
622 W 168TH ST
New York, NY 10032
  • Reassigned Medicare billing, New York enrollment
  • 3,922 clinicians in this Medicare group
General Practice
506 MALCOLM X BLVD (LENOX AVE)
New York, NY 10037
  • Reassigned Medicare billing, New York enrollment
  • 676 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.

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.

Pediatrics
3959 BROADWAY
NEW YORK, NY 10032
Nurse Practitioner (Neonatal)
3959 BROADWAY
NEW YORK, NY 10032
Physician Assistant
3959 BROADWAY
NEW YORK, NY 10032
Student in an Organized Health Care Education/Training Program
3959 BROADWAY
NEW YORK, NY 10032
Pediatrics (Neonatal-Perinatal Medicine)
3959 BROADWAY, COLUMBIA UNIVERSITY DEPARTMENT PEDIATRICS
NEW YORK, NY 10032
Nurse Practitioner (Pediatrics)
3959 BROADWAY
NEW YORK, NY 10032
Pediatrics (Pediatric Gastroenterology)
3959 BROADWAY
NEW YORK, NY 10032
Occupational Therapist
3959 BROADWAY
NEW YORK, NY 10032

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 Andrew Geneslaw's NPI number?

The NPI number for Andrew Geneslaw is 1538435649. It was assigned to this individual provider in the NPPES registry on March 23, 2012.

Where is Andrew Geneslaw located?

Andrew Geneslaw practices at 3959 Broadway, New York, NY 10032. The listed phone number is (212) 305-5437.

What is Andrew Geneslaw's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Andrew Geneslaw enrolled in Medicare?

Yes. Andrew Geneslaw is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Andrew Geneslaw's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Geneslaw reassigns Medicare benefits to 2 organizations: Trustees Of Columbia University In The City Of New York (New York, NY) and Harlem Medical Associates PC (New York, NY). 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 Andrew Geneslaw'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 Andrew Geneslaw was last updated on February 8, 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.