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SARAH LADD DENNEWITZ M.S., MFT
NPI 1922256544
Marriage & Family Therapist in Charlestown, RI

Active since September 08, 2008PECOS Enrolled
4705 OLD POST RD UNIT A, CHARLESTOWN, RI 02813(401) 364-7705(401) 364-3310 Get Directions Write a Review

NPPES record last updated: February 7, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sarah Ladd Dennewitz M.s., Mft NPPES

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

SARAH LADD DENNEWITZ M.S., MFT (NPI 1922256544) is an individual marriage & family therapist in Charlestown, Rhode Island, licensed in Rhode Island (MFT00138) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922256544
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameSARAH LADD DENNEWITZCredential: M.S., MFT
Location Address4705 OLD POST RD UNIT ACharlestown, RI 02813-1842
Mailing AddressPo Box 899Charlestown, RI 02813-0899 · (401) 364-7705 · Fax (401) 364-3310
Phone(401) 364-7705
Fax(401) 364-3310
Sole ProprietorNo
Enumeration DateSeptember 8, 2008
Last NPPES UpdateFebruary 7, 2024
NPPES CertifiedFebruary 7, 2024
✔ NPI 1922256544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in RI · MFT00138
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
4705 OLD POST RD UNIT A, Charlestown, RI 02813
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Other Identifiers 7

Medicaid1922256544-SD84360RI
Other1922256544RI · United Healthcare
Other497007RI · Tricare
Other497007RI · Mhn
MedicaidGH57134RI
Other1922256544RI · Bcbsri
Other3827866RI · Cigna

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sarah Ladd Dennewitz M.s., Mft 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 Sarah Dennewitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lifespan Physician Group, Inc.
32 mi
Psychiatry
593 EDDY STREET
Providence, RI 02903
  • Reassigned Medicare billing, Rhode Island enrollment
  • 315 clinicians in this Medicare group
NPI 1548506793 (401) 444-7442

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

KATHLEEN HENDERSHOT RN
Registered Nurse
4705 OLD POST RD UNIT A
CHARLESTOWN, RI 02813
Washington County (401) 364-7705
LUCY FLEET LMHCA
Counselor (Mental Health)
4705 OLD POST RD UNIT A
CHARLESTOWN, RI 02813
Washington County (401) 364-7705
DR. ALISON SCHIESL PHARM.D.
Pharmacist
4705 OLD POST RD UNIT A
CHARLESTOWN, RI 02813
Washington County (401) 782-3511
JANE PALMER RN
Registered Nurse
4705 OLD POST RD UNIT A
CHARLESTOWN, RI 02813
Washington County (401) 364-7705
SUSAN MARY FERRANTI DIMEO LMHC
Counselor (Mental Health)
4705 OLD POST RD UNIT A
CHARLESTOWN, RI 02813
Washington County (401) 364-7705
MIRELIS RIVERA RN
Registered Nurse
4705 OLD POST RD UNIT A
CHARLESTOWN, RI 02813
Washington County (401) 363-7705
MRS. DAWN RENE RAINEY
Counselor
4705 OLD POST RD UNIT A
CHARLESTOWN, RI 02813
Washington County (401) 782-3511
JENNIFER BAERLOCHER LMFT
Marriage & Family Therapist
4705 OLD POST RD UNIT A
CHARLESTOWN, RI 02813
Washington County (401) 364-7705

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 Sarah Dennewitz's NPI number?

The NPI number for Sarah Dennewitz is 1922256544. It was assigned to this individual provider in the NPPES registry on September 8, 2008.

Where is Sarah Dennewitz located?

Sarah Dennewitz practices at 4705 Old Post Rd Unit A, Charlestown, RI 02813. The listed phone number is (401) 364-7705.

What is Sarah Dennewitz's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Sarah Dennewitz enrolled in Medicare?

Yes. Sarah Dennewitz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sarah Dennewitz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Dennewitz reassigns Medicare benefits to Lifespan Physician Group, Inc. (Providence, RI). 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 Sarah Dennewitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sarah Dennewitz accept?

Health plans from Harvard Pilgrim Health Care list Sarah Dennewitz 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 Sarah Dennewitz was last updated on February 7, 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.