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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MATHILDE C MCALPIN
NPI 1083487516
Social Worker - Clinical in Lexington, MA

Active since November 06, 2023PECOS Enrolled
110 HARTWELL AVE STE 330, LEXINGTON, MA 02421(617) 852-1334 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mathilde C Mcalpin NPPES

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

MATHILDE C MCALPIN (NPI 1083487516) is an individual clinical provider in Lexington, Massachusetts, licensed in Massachusetts (LICSW1143327) and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083487516
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMATHILDE C MCALPIN
Location Address110 HARTWELL AVE STE 330Lexington, MA 02421-3118
Mailing Address59 Winter StBelmont, MA 02478-1144 · (617) 852-1334
Phone(617) 852-1334
Sole ProprietorNo
Enumeration DateNovember 6, 2023
Last NPPES UpdateJuly 1, 2026
NPPES CertifiedJuly 1, 2026
✔ NPI 1083487516 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 MA · LICSW1143327
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.
110 HARTWELL AVE STE 330, Lexington, MA 02421
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mathilde C Mcalpin 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02421 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 $63.72 – $189.86
Typical copayment $0.00 (range $15.93 – $47.46)
Most-billed visit code NA
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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 9

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

DR. CHRISTENE NARIKKATTU
Psychologist
110 HARTWELL AVE STE 330
LEXINGTON, MA 02421
Middlesex County (781) 551-0999
CARA GORHAM STREIT LICSW, EDD
Social Worker (Clinical)
110 HARTWELL AVE STE 330
LEXINGTON, MA 02421
Middlesex County (781) 551-0999
DR. ALEXANDRA VIRGINIA MORROW PSYD
Psychologist (Clinical)
110 HARTWELL AVE STE 330
LEXINGTON, MA 02421
Middlesex County (781) 236-3392
DR. MICHELLE LYNN LAWRENCE PHD
Psychologist
110 HARTWELL AVE STE 330
LEXINGTON, MA 02421
Middlesex County (781) 551-0999
NICOLE RENEE ABAIR LCSW
Social Worker (Clinical)
110 HARTWELL AVE STE 330
LEXINGTON, MA 02421
Middlesex County (877) 376-0621
ELIZABETH ALBRINCK PSY.D
Psychologist (Clinical)
110 HARTWELL AVE STE 330
LEXINGTON, MA 02421
Middlesex County (781) 551-0999
MS. CRYSTAL MARIE VERGATI
Counselor (Mental Health)
110 HARTWELL AVE STE 330
LEXINGTON, MA 02421
Middlesex County (781) 551-0999
DR. ALISON REIMULLER BURNS PHD
Clinical Neuropsychologist
110 HARTWELL AVE STE 330
LEXINGTON, MA 02421
Middlesex County (781) 551-0999

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 Mathilde Mcalpin's NPI number?

The NPI number for Mathilde Mcalpin is 1083487516. It was assigned to this individual provider in the NPPES registry on November 6, 2023.

Where is Mathilde Mcalpin located?

Mathilde Mcalpin practices at 110 Hartwell Ave Ste 330, Lexington, MA 02421. The listed phone number is (617) 852-1334.

What is Mathilde Mcalpin's specialty?

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

Is Mathilde Mcalpin enrolled in Medicare?

Yes. Mathilde Mcalpin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mathilde Mcalpin was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.