Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

COLLEEN CASTELLANI CGC
NPI 1821825936
Genetic Counselor, MS in Worcester, MA

Active since September 14, 2024
55 LAKE AVE N, WORCESTER, MA 01655(774) 442-5695(508) 334-8496 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 11, 2026, Sep 14, 2024 (2 updates tracked since 2024).

About Colleen Castellani Cgc NPPES

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

COLLEEN CASTELLANI CGC (NPI 1821825936) is an individual genetic counselor, ms provider in Worcester, Massachusetts, licensed in Massachusetts (GC10302) and active in the NPI registry since September 2024. She maintains a secondary practice location in Lebanon.

NPPES Registry Identity

NPI1821825936
Entity TypeIndividualFemale
Primary Taxonomy170300000X
Provider Legal NameCOLLEEN CASTELLANICredential: CGC
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977
Fax(508) 334-8496
Sole ProprietorNo
Enumeration DateSeptember 14, 2024
Last NPPES UpdateSeptember 11, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2026
NPI 1821825936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGenetic Counselor, MSOther Service Providers
Taxonomy Code170300000X
Licenses Licensed in MA · GC10302 Licensed in NH · 0537
Definition
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
55 LAKE AVE N, Worcester, MA 01655

Secondary Practice Location 1

Location 11 Medical DrLebanon, NH 03756-0001 · Phone (603) 727-7814

Accepted Insurance

Other Providers at the Same Location NPPES 20

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

Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655

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 Colleen Castellani's NPI number?

The NPI number for Colleen Castellani is 1821825936. It was assigned to this individual provider in the NPPES registry on September 14, 2024.

Where is Colleen Castellani located?

Colleen Castellani practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (774) 442-5695.

What is Colleen Castellani's specialty?

The primary specialty registered for this NPI is Genetic Counselor, MS with taxonomy code 170300000X.

What insurance does Colleen Castellani accept?

Health plans from Ambetter from NH Healthy Families and Harvard Pilgrim Health Care list Colleen Castellani 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 Colleen Castellani was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.