MRS. SHARON M ANTIN-KANTROWITZ MS RD CDN
NPI 1669456083
Dietitian, Registered in Oceanside, NY

Q: What is Sharon Antin-kantrowitz's NPI number?

The NPI number for Sharon Antin-kantrowitz is 1669456083. It was assigned to this individual provider in the NPPES registry on November 30, 2005. The provider is also known as Ms. Sharon M Antin Msrdcdn.

Q: What is Sharon Antin-kantrowitz's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Active since November 30, 2005Accepts Medicare Assignment

39 FRANKLIN PL, OCEANSIDE, NY 11572(516) 208-7021 Get Directions Write a Review

NPPES record last updated: March 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 6, 2025, Jan 9, 2025, Feb 21, 2018 (3 updates tracked since 2018).

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About Mrs. Sharon M Antin-kantrowitz Ms Rd Cdn NPPES

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

MRS. SHARON M ANTIN-KANTROWITZ MS RD CDN (NPI 1669456083) is an individual dietitian, registered in Oceanside, New York, licensed in New York (005096) and active in the NPI registry since November 2005. She is a graduate of Other (1996).

NPPES Registry Identity

NPI1669456083

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameMRS. SHARON M ANTIN-KANTROWITZCredential: MS RD CDN

Location Address39 FRANKLIN PLOceanside, NY 11572-1312

Mailing Address39 Franklin PlOceanside, NY 11572-1312 · (516) 766-2514

Phone(516) 208-7021

Sole ProprietorYes

Medical School CMSOtherGraduated 1996

Enumeration DateNovember 30, 2005

Last NPPES UpdateMarch 6, 20253 updates tracked since enumeration

NPPES CertifiedMarch 6, 2025

✔ NPI 1669456083 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

License✔ Licensed in NY · 005096

Definition

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

Also ListedNutritionist · Nutrition, EducationTaxonomy 133NN1002X

39 FRANKLIN PL, Oceanside, NY 11572

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Other Names 1

Professional Name (2)Ms. Sharon M Antin Msrdcdn

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

Mrs. Sharon M Antin-kantrowitz Ms Rd Cdn 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 ID6901891050

PECOS Enrollment IDI20040417000381

Medicare Billing Reassignment

Medicare enrollment records show Sharon Antin-kantrowitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Harmony Health Care Long Island

1.1 mi

Federally Qualified Health Center (FQHC)

3227 LONG BEACH RD STE 2
Oceanside, NY 11572

Reassigned Medicare billing, New York enrollment
107 clinicians in this Medicare group

NPI 1043676158 (516) 678-0900

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 11572 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

$0.00 typical visit price

range $67.40 – $203.53

Typical copayment $0.00 (range $16.85 – $50.88)

Most-billed visit code NA

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.

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 Sharon Antin-kantrowitz's NPI number?

The NPI number for Sharon Antin-kantrowitz is 1669456083. It was assigned to this individual provider in the NPPES registry on November 30, 2005. The provider is also known as Ms. Sharon M Antin Msrdcdn.

Where is Sharon Antin-kantrowitz located?

Sharon Antin-kantrowitz practices at 39 Franklin Pl, Oceanside, NY 11572. The listed phone number is (516) 208-7021.

What is Sharon Antin-kantrowitz's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Sharon Antin-kantrowitz enrolled in Medicare?

Yes. Sharon Antin-kantrowitz 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 organization bills Medicare for Sharon Antin-kantrowitz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sharon Antin-kantrowitz reassigns Medicare benefits to Harmony Health Care Long Island (Oceanside, 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 Sharon Antin-kantrowitz'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 Sharon Antin-kantrowitz was last updated on March 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.