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CHARLOTTE TRENHOLM MSW, LICSW, MLADC
NPI 1215329131
Social Worker - Clinical in Derry, NH

Active since March 02, 2015PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: November 13, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Charlotte Trenholm Msw, Licsw, Mladc NPPES

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

CHARLOTTE TRENHOLM MSW, LICSW, MLADC (NPI 1215329131) is an individual clinical provider in Derry, New Hampshire, licensed in New Hampshire (1382) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1215329131
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameCHARLOTTE TRENHOLMCredential: MSW, LICSW, MLADC
Location Address3 VIZA AVEDerry, NH 03038-5368
Mailing Address3 Viza AveDerry, NH 03038-5368 · (603) 453-0704
Phone(603) 453-0704
Sole ProprietorYes
Medical School CMSOtherGraduated 2004
Enumeration DateMarch 2, 2015
Last NPPES UpdateNovember 13, 2024
NPPES CertifiedNovember 13, 2024
✔ NPI 1215329131 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 NH · 1382
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.
3 VIZA AVE, Derry, NH 03038
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charlotte Trenholm Msw, Licsw, Mladc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597083261
PECOS Enrollment IDI20150408001709
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 Charlotte Trenholm reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Elliot Professional Services
5.4 mi
Internal Medicine
1070 HOLT AVE, UNIT 1, SUITE 2200
Manchester, NH 03109
  • Reassigned Medicare billing, New Hampshire enrollment
  • 446 clinicians in this Medicare group
NPI 1285627935 (603) 663-4900

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 03038 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 $57.75 – $174.26
Typical copayment $0.00 (range $14.43 – $43.56)
Most-billed visit code NA
Established Patient
$71.85 typical visit price
range $18.70 – $142.15
Typical copayment $17.96 (range $4.67 – $35.53)
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.

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 Charlotte Trenholm's NPI number?

The NPI number for Charlotte Trenholm is 1215329131. It was assigned to this individual provider in the NPPES registry on March 2, 2015.

Where is Charlotte Trenholm located?

Charlotte Trenholm practices at 3 Viza Ave, Derry, NH 03038. The listed phone number is (603) 453-0704.

What is Charlotte Trenholm's specialty?

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

Is Charlotte Trenholm enrolled in Medicare?

Yes. Charlotte Trenholm is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Charlotte Trenholm's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charlotte Trenholm reassigns Medicare benefits to Elliot Professional Services (Manchester, NH). 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 Charlotte Trenholm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charlotte Trenholm accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Charlotte Trenholm 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 Charlotte Trenholm was last updated on November 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.