ALEXANDRA KARL FNP-C
NPI 1639658206
Nurse Practitioner - Family in Massapequa, NY

Q: What is Alexandra Karl's NPI number?

The NPI number for Alexandra Karl is 1639658206. It was assigned to this individual provider in the NPPES registry on August 14, 2018.

Q: What is Alexandra Karl's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Alexandra Karl was last updated on February 5, 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.

Active since August 14, 2018PECOS Enrolled

4200 SUNRISE HWY, MASSAPEQUA, NY 11758(516) 809-9666 Get Directions Write a Review

NPPES record last updated: February 5, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 5, 2019, Aug 22, 2018, Aug 14, 2018 (3 updates tracked since 2018).

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About Alexandra Karl Fnp-c NPPES

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

ALEXANDRA KARL FNP-C (NPI 1639658206) is an individual family provider in Massapequa, New York, licensed in New York (343462) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Commack.

NPPES Registry Identity

NPI1639658206

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameALEXANDRA KARLCredential: FNP-C

Location Address4200 SUNRISE HWYMassapequa, NY 11758

Mailing Address4200 Sunrise HwyMassapequa, NY 11758-5311 · (516) 809-9666

Phone(516) 809-9666

Sole ProprietorNo

Enumeration DateAugust 14, 2018

Last NPPES UpdateFebruary 5, 20193 updates tracked since enumeration

✔ NPI 1639658206 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in NY · 343462

4200 SUNRISE HWY, Massapequa, NY 11758

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Secondary Practice Location 1

Location 166 Austin BlvdCommack, NY 11725 · Phone (631) 864-2784

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexandra Karl Fnp-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11758 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 17

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

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