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MELISSA ANN KOSTER LICSW
NPI 1174091870
Social Worker - Clinical in Malden, MA

Active since November 12, 2018PECOS Enrolled
730 EASTERN AVE, MALDEN, MA 02148(781) 873-1425(781) 395-0198 Get Directions Write a Review

NPPES record last updated: April 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 14, 2026, Nov 12, 2018 (2 updates tracked since 2018).

About Melissa Ann Koster Licsw NPPES

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

MELISSA ANN KOSTER LICSW (NPI 1174091870) is an individual clinical provider in Malden, Massachusetts, licensed in Massachusetts (127959) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Cambridge.

NPPES Registry Identity

NPI1174091870
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMELISSA ANN KOSTERCredential: LICSW
Location Address730 EASTERN AVEMalden, MA 02148-5906
Mailing Address15 Linnea LnReading, MA 01867-1348 · (781) 521-0187
Phone(781) 873-1425
Fax(781) 395-0198
Sole ProprietorYes
Enumeration DateNovember 12, 2018
Last NPPES UpdateApril 14, 20262 updates tracked since enumeration
NPPES CertifiedApril 14, 2026
✔ NPI 1174091870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MA · 127959
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
730 EASTERN AVE, Malden, MA 02148
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Secondary Practice Location 1

Location 1700 Massachusetts Ave Fl 3Cambridge, MA 02139-3345 · Phone (888) 500-2067 · Fax (617) 649-8520

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, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Melissa Ann Koster Licsw 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 02148 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 20

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

SAMUEL A ESQUIVEL
Counselor
730 EASTERN AVE
MALDEN, MA 02148
Middlesex County (781) 861-0890
FRANCISCO BASTARDO
Social Worker (Clinical)
730 EASTERN AVE
MALDEN, MA 02148
Middlesex County (781) 395-0457
MR. BRENNAN RUGG
Counselor
730 EASTERN AVE
MALDEN, MA 02148
Middlesex County (781) 861-0890
SASHA FELICIANO FAMILY PARTNER
Counselor (Mental Health)
730 EASTERN AVE
MALDEN, MA 02148
Middlesex County (617) 418-9307
DIANA PAOLA CORTES
Community Health Worker
730 EASTERN AVE
MALDEN, MA 02148
Middlesex County (339) 215-6424
SAMANTHA MARTIN MA, MT-BC
Counselor (Mental Health)
730 EASTERN AVE
MALDEN, MA 02148
Middlesex County (508) 635-7622
EVAN ROSENBERG
Social Worker (Clinical)
730 EASTERN AVE
MALDEN, MA 02148
Middlesex County (781) 999-3544
RITA RIEVES
Counselor (Professional)
730 EASTERN AVE
MALDEN, MA 02148
Middlesex County (781) 395-0704

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 Melissa Koster's NPI number?

The NPI number for Melissa Koster is 1174091870. It was assigned to this individual provider in the NPPES registry on November 12, 2018.

Where is Melissa Koster located?

Melissa Koster practices at 730 Eastern Ave, Malden, MA 02148. The listed phone number is (781) 873-1425.

What is Melissa Koster's specialty?

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

Is Melissa Koster enrolled in Medicare?

Yes. Melissa Koster is registered in the Medicare PECOS enrollment system.

What insurance does Melissa Koster accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list Melissa Koster 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 Melissa Koster was last updated on April 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.