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MARY ANN WESTENDORF LISW-CP
NPI 1942307293
Social Worker - Clinical in Hampton, SC

Active since September 20, 2006PECOS EnrolledAccepts Medicare Assignment
605 2ND ST E, HAMPTON, SC 29924(803) 943-2063 Get Directions Write a Review

NPPES record last updated: April 5, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mary Ann Westendorf Lisw-cp NPPES

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

MARY ANN WESTENDORF LISW-CP (NPI 1942307293) is an individual clinical provider in Hampton, South Carolina, licensed in South Carolina (6292) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1942307293
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARY ANN WESTENDORFCredential: LISW-CP
Location Address605 2ND ST EHampton, SC 29924-3547
Mailing AddressPo Box 1284, 1000 Pine StreetVarnville, SC 29944-1284 · (803) 943-2063
Phone(803) 943-2063
Sole ProprietorYes
Medical School CMSOtherGraduated 1998
Enumeration DateSeptember 20, 2006
Last NPPES UpdateApril 5, 2013
✔ NPI 1942307293 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 SC · 6292
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.
605 2ND ST E, Hampton, SC 29924
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina, First Choice Next, Molina Healthcare.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

Mary Ann Westendorf Lisw-cp 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 ID3476552977
PECOS Enrollment IDI20061218000381
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 Mary Westendorf reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beaufort Jasper Hampton Comprehensive Health Services, Inc.
38 mi
Federally Qualified Health Center (FQHC)
719 N OKATIE HWY
Ridgeland, SC 29936
  • Reassigned Medicare billing, South Carolina enrollment
  • 98 clinicians in this Medicare group
NPI 1649276148 (843) 987-7400
Sc House Calls Inc
80 mi
Family Medicine
111 DOCTOR CIR
Columbia, SC 29203
  • Reassigned Medicare billing, South Carolina enrollment
  • 631 clinicians in this Medicare group
NPI 1518048859 (800) 491-0909

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
59 services11 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
16 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29924 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 $53.57 – $163.84
Typical copayment $0.00 (range $13.39 – $40.96)
Most-billed visit code NA
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
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 Mary Westendorf's NPI number?

The NPI number for Mary Westendorf is 1942307293. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Mary Westendorf located?

Mary Westendorf practices at 605 2nd St E, Hampton, SC 29924. The listed phone number is (803) 943-2063.

What is Mary Westendorf's specialty?

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

Is Mary Westendorf enrolled in Medicare?

Yes. Mary Westendorf 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 Mary Westendorf's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Westendorf reassigns Medicare benefits to 2 organizations: Beaufort Jasper Hampton Comprehensive Health Services, Inc. (Ridgeland, SC) and Sc House Calls Inc (Columbia, SC). 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 Mary Westendorf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Westendorf accept?

Health plans from BlueCross BlueShield of South Carolina, First Choice Next and Molina Healthcare list Mary Westendorf 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 Mary Westendorf was last updated on April 5, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.