DR. FREDERIC KALENSCHER M.D.,F.A.A.P.
NPI 1851341127
Pediatrics - Adolescent Medicine in Massapequa, NY

Q: What is Frederic Kalenscher's NPI number?

The NPI number for Frederic Kalenscher is 1851341127. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Q: What is Frederic Kalenscher's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Active since May 10, 2006PECOS Enrolled

532 BROADWAY, MASSAPEQUA, NY 11758(516) 798-3090(516) 798-1195 Get Directions Write a Review

NPPES record last updated: August 19, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Frederic Kalenscher M.d.,f.a.a.p. NPPES

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

DR. FREDERIC KALENSCHER M.D.,F.A.A.P. (NPI 1851341127) is an individual adolescent medicine provider in Massapequa, New York, licensed in New York (170656-1) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851341127

Entity TypeIndividualMale

Primary Taxonomy2080A0000X

Provider Legal NameDR. FREDERIC KALENSCHERCredential: M.D.,F.A.A.P.

Location Address532 BROADWAYMassapequa, NY 11758-5004

Mailing Address532 BroadwayMassapequa, NY 11758-5004 · (516) 798-3090 · Fax (516) 798-1195

Phone(516) 798-3090

Fax(516) 798-1195

Sole ProprietorNo

Enumeration DateMay 10, 2006

Last NPPES UpdateAugust 19, 2016

✔ NPI 1851341127 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080A0000X

License✔ Licensed in NY · 170656-1

Definition

A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.

532 BROADWAY, Massapequa, NY 11758

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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. Frederic Kalenscher M.d.,f.a.a.p. 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 Frederic Kalenscher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Shore - Lij Medical PC

14 mi

Internal Medicine

270-05 76TH AVE
New Hyde Park, NY 11040

Reassigned Medicare billing, New York enrollment
9,353 clinicians in this Medicare group

NPI 1790043479 (516) 465-8089

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 4

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

MASSAPEQUA OPTOMETRIC CARE, P.C.

Optometrist

532 BROADWAY
MASSAPEQUA, NY 11758

Nassau County (516) 798-2635

MICHAEL PITTELLI OD

Optometrist

532 BROADWAY
MASSAPEQUA, NY 11758

Nassau County (516) 798-2635

200 WEST OPTICS, LLC

Optometrist

532 BROADWAY
MASSAPEQUA, NY 11758

Nassau County (516) 798-2635

DAVID LANE LEIBSTEIN O.D.

Optometrist

532 BROADWAY
MASSAPEQUA, NY 11758

Nassau County (516) 798-2635

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 Frederic Kalenscher's NPI number?

The NPI number for Frederic Kalenscher is 1851341127. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Frederic Kalenscher located?

Frederic Kalenscher practices at 532 Broadway, Massapequa, NY 11758. The listed phone number is (516) 798-3090.

What is Frederic Kalenscher's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Is Frederic Kalenscher enrolled in Medicare?

Yes. Frederic Kalenscher is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Frederic Kalenscher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Frederic Kalenscher reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, NY). 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 Frederic Kalenscher'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 Frederic Kalenscher was last updated on August 19, 2016. 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.