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MS. JENNIFER KLINE ELLWOOD LICSW
NPI 1649320029
Social Worker - Clinical in Cambridge, MA

Active since January 10, 2007Opted out of Medicare · through Apr 1, 2028
875 MASSACHUSETTS AVE, SUITE 44, CAMBRIDGE, MA 02139(617) 492-2090 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Jennifer Kline Ellwood Licsw NPPES

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

MS. JENNIFER KLINE ELLWOOD LICSW (NPI 1649320029) is an individual clinical provider in Cambridge, Massachusetts, licensed in Massachusetts (112056) and active in the NPI registry since January 2007. She has opted out of Medicare through April 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1649320029
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. JENNIFER KLINE ELLWOODCredential: LICSW
Location Address875 MASSACHUSETTS AVE, SUITE 44Cambridge, MA 02139-3067
Mailing Address875 Massachusetts Ave, Suite 44Cambridge, MA 02139-3067 · (617) 492-2090
Phone(617) 492-2090
Sole ProprietorYes
Enumeration DateJanuary 10, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1649320029 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MA · 112056
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
875 MASSACHUSETTS AVE, Cambridge, MA 02139
Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type UnspecifiedP23553MA · Medicrare Provider Number

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ms. Jennifer Kline Ellwood Licsw 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 April 1, 2016 through April 1, 2028.

Opt-Out Effective DateApril 1, 2016
Opt-Out In Effect ThroughApril 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02139 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 $63.72 – $189.86
Typical copayment $0.00 (range $15.93 – $47.46)
Most-billed visit code NA
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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.

ROBIN J. ALT LICSW
Social Worker (Clinical)
875 MASSACHUSETTS AVE, SUITE 41
CAMBRIDGE, MA 02139
Middlesex County (617) 547-6168
HIGHLAND PSYCHOLOGICAL ASSOCIATES, LLC
Psychologist (Clinical)
875 MASSACHUSETTS AVE, SUITE 71
CAMBRIDGE, MA 02139
Middlesex County (857) 600-0875
DR. SILVIA DOMINGUEZ PHD
Counselor (Mental Health)
875 MASSACHUSETTS AVE
CAMBRIDGE, MA 02139
Middlesex County (339) 234-5331
STEVEN HARLAN COOPER PH.D
Psychologist (Clinical)
875 MASSACHUSETTS AVE, SUITE 54
CAMBRIDGE, MA 02139
Middlesex County (617) 492-7460
HUMPHREY MORRIS M.D.
Psychiatry & Neurology (Psychiatry)
875 MASSACHUSETTS AVE, # 55
CAMBRIDGE, MA 02139
Middlesex County (617) 497-4160
STACEY SLATE PLLC
Counselor (Mental Health)
875 MASSACHUSETTS AVE
CAMBRIDGE, MA 02139
Middlesex County (617) 575-9238
TAMMY S SMITH
Counselor (Mental Health)
875 MASSACHUSETTS AVE, 25
CAMBRIDGE, MA 02139
Middlesex County (781) 832-0113
ADAM SETH KROLOFF LICSW
Social Worker (Clinical)
875 MASSACHUSETTS AVE, UNITS 84 & 85
CAMBRIDGE, MA 02139
Middlesex County (617) 354-4450

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 Jennifer Ellwood's NPI number?

The NPI number for Jennifer Ellwood is 1649320029. It was assigned to this individual provider in the NPPES registry on January 10, 2007.

Where is Jennifer Ellwood located?

Jennifer Ellwood practices at 875 Massachusetts Ave Suite 44, Cambridge, MA 02139. The listed phone number is (617) 492-2090.

What is Jennifer Ellwood's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Jennifer Ellwood enrolled in Medicare?

No. Jennifer Ellwood has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Jennifer Ellwood was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.