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DAVID MARSHALL LICSW
NPI 1619208022
Social Worker - Clinical in Amherst, NH

Active since January 25, 2010PECOS EnrolledAccepts Medicare Assignment
9 LYNDEBOROUGH RD, AMHERST, NH 03031(603) 736-7420 Get Directions Write a Review

NPPES record last updated: March 22, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About David Marshall Licsw NPPES

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

DAVID MARSHALL LICSW (NPI 1619208022) is an individual clinical provider in Amherst, New Hampshire, licensed in New Hampshire (1699) and active in the NPI registry since January 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Derry, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1619208022
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameDAVID MARSHALLCredential: LICSW
Location Address9 LYNDEBOROUGH RDAmherst, NH 03031-3040
Mailing Address9 Lyndeborough RdAmherst, NH 03031-3040 · (603) 736-7420
Phone(603) 736-7420
Sole ProprietorYes
Medical School CMSOtherGraduated 2008
Enumeration DateJanuary 25, 2010
Last NPPES UpdateMarch 22, 2024
NPPES CertifiedMarch 22, 2024
✔ NPI 1619208022 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 · 1699
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.
9 LYNDEBOROUGH RD, Amherst, NH 03031
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Secondary Practice Location 1

Location 114A Tsienneto RdDerry, NH 03038-1505 · Phone (603) 537-1300

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health.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

David Marshall Licsw 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 ID6608020656
PECOS Enrollment IDI20130129000432
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 Reassignments

2

Medicare enrollment records show David Marshall reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Client Centered Therapy PLLC
Same address
Mental Health (Including Community Mental Health Center)
9 LYNDEBOROUGH RD
Amherst, NH 03031
  • Reassigned Medicare billing, New Hampshire enrollment
NPI 1144070251 (603) 736-7420
Derry Medical Center, PA
17 mi
Family Medicine
6 TSIENNETO RD, SUITE 100
Derry, NH 03038
  • Reassigned Medicare billing, New Hampshire enrollment
  • 80 clinicians in this Medicare group
NPI 1922030493 (603) 537-1300

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 03031 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.

Other Providers at the Same Location NPPES

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

CLIENT CENTERED THERAPY PLLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
9 LYNDEBOROUGH RD
AMHERST, NH 03031
Hillsborough County (603) 736-7420

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 David Marshall's NPI number?

The NPI number for David Marshall is 1619208022. It was assigned to this individual provider in the NPPES registry on January 25, 2010.

Where is David Marshall located?

David Marshall practices at 9 Lyndeborough Rd, Amherst, NH 03031. The listed phone number is (603) 736-7420.

What is David Marshall's specialty?

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

Is David Marshall enrolled in Medicare?

Yes. David Marshall 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 organizations bill Medicare for David Marshall's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Marshall reassigns Medicare benefits to 2 organizations: Client Centered Therapy PLLC (Amherst, NH) and Derry Medical Center, PA (Derry, NH). Each 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 David Marshall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Marshall accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list David Marshall 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 David Marshall was last updated on March 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.