DR. EILEEN TARA CREHAN PHD
NPI 1487228912
Psychologist - Clinical in Worcester, MA

Q: What is Eileen Crehan's NPI number?

The NPI number for Eileen Crehan is 1487228912. It was assigned to this individual provider in the NPPES registry on May 19, 2021.

Q: What is Eileen Crehan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Eileen Crehan was last updated on July 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since May 19, 2021PECOS Enrolled

55 LAKE AVE N, WORCESTER, MA 01655(774) 442-3028 Get Directions Write a Review

NPPES record last updated: July 18, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Eileen Tara Crehan Phd NPPES

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

DR. EILEEN TARA CREHAN PHD (NPI 1487228912) is an individual clinical provider in Worcester, Massachusetts, licensed in Massachusetts (PSY11596) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Medford.

NPPES Registry Identity

NPI1487228912

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. EILEEN TARA CREHANCredential: PHD

Location Address55 LAKE AVE NWorcester, MA 01655-0002

Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885

Phone(774) 442-3028

Sole ProprietorYes

Enumeration DateMay 19, 2021

Last NPPES UpdateJuly 18, 2025

NPPES CertifiedJuly 18, 2025

✔ NPI 1487228912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in MA · PSY11596

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X

Also ListedPsychologist · Intellectual and Developmental DisabilitiesTaxonomy 103TM1800X

55 LAKE AVE N, Worcester, MA 01655

Open in Google Maps ↗

Secondary Practice Location 1

Location 144 Bower St Unit 1Medford, MA 02155-3662 · Phone (508) 446-7248

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care, Taro Health, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Eileen Tara Crehan Phd 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.

Medicare Billing Reassignment

Medicare enrollment records show Eileen Crehan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Umass Memorial Medical Group Inc

Same address

Internal Medicine

55 LAKE AVE N
Worcester, MA 01655

Reassigned Medicare billing, Massachusetts enrollment
2,902 clinicians in this Medicare group

NPI 1760445373 (508) 334-1000

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 01655 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

$177.36 typical visit price

range $58.86 – $177.36

Typical copayment $44.34 (range $14.71 – $44.34)

Most-billed visit code 99205

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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 20

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

HILLARY R. IRONS MD

Emergency Medicine

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 421-1400

MS. SHERINE MARY HASSEY-HALLIGAN NP

Nurse Practitioner

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 334-8585

MS. EILEEN A. DUHAMEL NP

Nurse Practitioner

55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655

Worcester County (508) 334-2710

EWA HRYNISZYN CRNA

Nurse Anesthetist, Certified Registered

55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655

Worcester County (508) 334-3271

HELEN COPSEY PA-C

Physician Assistant

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 334-8585

DR. ADEPEJU GBADEBO CHAMPION M.D.

Internal Medicine

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 334-2731

SOWMYA KORAPATI

Internal Medicine (Hematology & Oncology)

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 334-3550

LAYLA FAKHRZADEH M.D.

Anesthesiology

55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655

Worcester County (508) 334-3271

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 Eileen Crehan's NPI number?

The NPI number for Eileen Crehan is 1487228912. It was assigned to this individual provider in the NPPES registry on May 19, 2021.

Where is Eileen Crehan located?

Eileen Crehan practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (774) 442-3028.

What is Eileen Crehan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Eileen Crehan enrolled in Medicare?

Yes. Eileen Crehan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Eileen Crehan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eileen Crehan reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). 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 Eileen Crehan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Eileen Crehan accept?

Health plans from Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Eileen Crehan 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 Eileen Crehan was last updated on July 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.