ELENA ZIDAN MD
NPI 1982233839
Allergy & Immunology - Allergy in Waterford, CT

Active since April 03, 2020PECOS EnrolledAccepts Medicare Assignment
196 WATERFORD PKWY S STE 305B, WATERFORD, CT 06385(860) 536-2995(860) 574-9170 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 5, 2026, Aug 6, 2025, May 22, 2023 and 1 more (4 updates tracked since 2020).

About Elena Zidan Md NPPES

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

ELENA ZIDAN MD (NPI 1982233839) is an individual allergy provider in Waterford, Connecticut, licensed in Connecticut (080664) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1982233839
Entity TypeIndividualFemale
Primary Taxonomy207KA0200X
Provider Legal NameELENA ZIDANCredential: MD
Location Address196 WATERFORD PKWY S STE 305BWaterford, CT 06385-1245
Mailing Address196 Waterford Pkwy S Ste 305bWaterford, CT 06385-1245 · (860) 536-2995 · Fax (860) 574-9170
Fax(860) 574-9170
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 3, 2020
Last NPPES UpdateMay 5, 20264 updates tracked since enumeration
NPPES CertifiedMay 5, 2026
✔ NPI 1982233839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in CT · 080664
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
Also ListedInternal MedicineTaxonomy 207R00000X · License 080664 (CT)
196 WATERFORD PKWY S STE 305B, Waterford, CT 06385

Accepted Insurance

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

Elena Zidan 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 ID5395169577
PECOS Enrollment IDI20260123003160
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 Elena Zidan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allergy
196 WATERFORD PKWY S STE 305B
Waterford, CT 06385
  • Reassigned Medicare billing, Connecticut enrollment
  • 3 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 4

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

Allergy & Immunology (Allergy)
196 WATERFORD PKWY S STE 305B
WATERFORD, CT 06385
Allergy & Immunology
196 WATERFORD PKWY S STE 305B
WATERFORD, CT 06385
Allergy & Immunology (Allergy)
196 WATERFORD PKWY S STE 305B
WATERFORD, CT 06385
Allergy & Immunology
196 WATERFORD PKWY S STE 305B
WATERFORD, CT 06385

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 Elena Zidan's NPI number?

The NPI number for Elena Zidan is 1982233839. It was assigned to this individual provider in the NPPES registry on April 3, 2020.

Where is Elena Zidan located?

Elena Zidan practices at 196 Waterford Pkwy S Ste 305B, Waterford, CT 06385. The listed phone number is (860) 536-2995.

What is Elena Zidan's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Elena Zidan enrolled in Medicare?

Yes. Elena Zidan 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 Elena Zidan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elena Zidan reassigns Medicare benefits to Shoreline Allergy & Asthma Associates LLP (Waterford, CT). 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 Elena Zidan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elena Zidan accept?

Health plans from Anthem Blue Cross and Blue Shield list Elena Zidan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Elena Zidan was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.