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MS. CLAIRE OPPENHEIM LCSW
NPI 1538150438
Social Worker - Clinical in Portland, ME

Active since October 31, 2005PECOS Enrolled
465 CONGRESS ST, PORTLAND, ME 04101(207) 773-2828(207) 761-8150 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Claire Oppenheim Lcsw NPPES

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

MS. CLAIRE OPPENHEIM LCSW (NPI 1538150438) is an individual clinical provider in Portland, Maine, licensed in Maine (LC4965) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538150438
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. CLAIRE OPPENHEIMCredential: LCSW
Location Address465 CONGRESS STPortland, ME 04101-3528
Mailing Address465 Congress StPortland, ME 04101-3528 · (207) 773-2828 · Fax (207) 761-8150
Phone(207) 773-2828
Fax(207) 761-8150
Sole ProprietorNo
Enumeration DateOctober 31, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1538150438 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 ME · LC4965
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.
465 CONGRESS ST, Portland, ME 04101
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Claire Oppenheim Lcsw 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 Claire Oppenheim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Claire Oppenheim LLC
0.3 mi
Clinical
75 PEARL ST, SUITE 410
Portland, ME 04101
  • Reassigned Medicare billing, Maine enrollment
  • 2 clinicians in this Medicare group
NPI 1144466152 (207) 773-0050

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 04101 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 $56.28 – $169.96
Typical copayment $0.00 (range $14.07 – $42.49)
Most-billed visit code NA
Established Patient
$70.13 typical visit price
range $18.22 – $138.92
Typical copayment $17.53 (range $4.55 – $34.73)
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 4

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

STEPHEN R ARONSON PHD
Psychologist (Clinical)
465 CONGRESS ST, SUITE 700
PORTLAND, ME 04101
Cumberland County (207) 773-2828
RANDALL R MELVIN LCSW BCD
Social Worker (Clinical)
465 CONGRESS ST, SUITE 700
PORTLAND, ME 04101
Cumberland County (207) 773-2828
DR. JOHN MATTHEW O'BRIEN PH.D.
Psychologist (Clinical)
465 CONGRESS ST, STE 700
PORTLAND, ME 04101
Cumberland County (207) 773-2828
DR. LISA M LETOURNEAU MD
Internal Medicine
465 CONGRESS ST, SUITE 301
PORTLAND, ME 04101
Cumberland County (207) 541-7521

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 Claire Oppenheim's NPI number?

The NPI number for Claire Oppenheim is 1538150438. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is Claire Oppenheim located?

Claire Oppenheim practices at 465 Congress St, Portland, ME 04101. The listed phone number is (207) 773-2828.

What is Claire Oppenheim's specialty?

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

Is Claire Oppenheim enrolled in Medicare?

Yes. Claire Oppenheim is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Claire Oppenheim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Claire Oppenheim reassigns Medicare benefits to Claire Oppenheim LLC (Portland, ME). 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 Claire Oppenheim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Claire Oppenheim was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.