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ANNA LOITERSTEIN
NPI 1003282674
Psychologist - Clinical Child & Adolescent in Guilford, CT

Active since August 18, 2015Opted out of Medicare · through Sep 17, 2027
34 YORK ST, GUILFORD, CT 06437(203) 453-2220 Get Directions Write a Review

NPPES record last updated: December 14, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 14, 2020, Oct 7, 2019, Sep 1, 2017 (3 updates tracked since 2017).

About Anna Loiterstein NPPES

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

ANNA LOITERSTEIN (NPI 1003282674) is an individual clinical child & adolescent provider in Guilford, Connecticut and active in the NPI registry since August 2015. She has opted out of Medicare through September 17, 2027 and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1003282674
Entity TypeIndividualFemale
Primary Taxonomy103TC2200X
Provider Legal NameANNA LOITERSTEIN
Location Address34 YORK STGuilford, CT 06437-2473
Mailing Address34 York StGuilford, CT 06437-2473 · (203) 453-2220
Phone(203) 453-2220
Sole ProprietorYes
Enumeration DateAugust 18, 2015
Last NPPES UpdateDecember 14, 20203 updates tracked since enumeration
NPPES CertifiedDecember 14, 2020
✔ NPI 1003282674 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers
Taxonomy Code103TC2200X
Definition
A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
34 YORK ST, Guilford, CT 06437
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1750 Tilden StBronx, NY 10467-6013 · Phone (718) 231-3400
Location 2101 E 56th StNew York, NY 10022 · Phone (646) 625-4311

Other Identifiers 1

Medicaid141397918NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Anna Loiterstein has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from September 17, 2021 through September 17, 2027.

Opt-Out Effective DateSeptember 17, 2021
Opt-Out In Effect ThroughSeptember 17, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 3

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

MRS. PRERANA PUROHIT PATEL LPC
Counselor (Mental Health)
34 YORK ST
GUILFORD, CT 06437
South Central Connecticut Planning Region (203) 453-2220
JANE ZIMMERMANN ANDERSEN PSYD
Psychologist
34 YORK ST
GUILFORD, CT 06437
South Central Connecticut Planning Region (203) 453-2220
PATRICIA JEAN FUSEK THOMMEN APRN
Nurse Practitioner
34 YORK ST, SUITE 2
GUILFORD, CT 06437
South Central Connecticut Planning Region (203) 623-8060

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 Anna Loiterstein's NPI number?

The NPI number for Anna Loiterstein is 1003282674. It was assigned to this individual provider in the NPPES registry on August 18, 2015.

Where is Anna Loiterstein located?

Anna Loiterstein practices at 34 York St, Guilford, CT 06437. The listed phone number is (203) 453-2220.

What is Anna Loiterstein's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Is Anna Loiterstein enrolled in Medicare?

No. Anna Loiterstein has opted out of Medicare through September 17, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Anna Loiterstein was last updated on December 14, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.