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ELIAS KOESTER LICSW
NPI 1154732642
Social Worker - Clinical in Dover, NH

Active since May 19, 2014PECOS Enrolled
1 WASHINGTON ST, DOVER, NH 03820(603) 391-1998 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 21, 2026, Feb 28, 2022, Jul 7, 2021 and 3 more (6 updates tracked since 2017).

About Elias Koester Licsw NPPES

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

ELIAS KOESTER LICSW (NPI 1154732642) is an individual clinical provider in Dover, New Hampshire, licensed in New Hampshire (2518) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154732642
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameELIAS KOESTERCredential: LICSW
Location Address1 WASHINGTON STDover, NH 03820-3848
Mailing AddressPo Box 23New Durham, NH 03855-0023 · (603) 391-1998
Phone(603) 391-1998
Sole ProprietorNo
Enumeration DateMay 19, 2014
Last NPPES UpdateApril 21, 20266 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
✔ NPI 1154732642 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 · 2518
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.
1 WASHINGTON ST, Dover, NH 03820
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense 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)

Elias Koester 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.

Areas of Expertise CMS Part B claims

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.

Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
31 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03820 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 5

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

MOLLY ANN VAILLINCOURT LICSW, MLADC
Counselor (Mental Health)
1 WASHINGTON ST
DOVER, NH 03820
Strafford County (603) 945-8390
DEBORAH C FISCHER RN
Registered Nurse (Administrator)
1 WASHINGTON ST
DOVER, NH 03820
Strafford County (603) 986-3512
STREAMSIDE THERAPY SERVICES LLC
Social Worker (Clinical)
1 WASHINGTON ST
DOVER, NH 03820
Strafford County (207) 804-3456
JENNIFER DICKERT RD, LD
Dietitian, Registered
1 WASHINGTON ST, SUITE 3040
DOVER, NH 03820
Strafford County (603) 583-4562
DR. TINA M TRUDEL PHD
Clinical Neuropsychologist
1 WASHINGTON ST, SUITE 443
DOVER, NH 03820
Strafford County (603) 493-4946

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 Elias Koester's NPI number?

The NPI number for Elias Koester is 1154732642. It was assigned to this individual provider in the NPPES registry on May 19, 2014.

Where is Elias Koester located?

Elias Koester practices at 1 Washington St, Dover, NH 03820. The listed phone number is (603) 391-1998.

What is Elias Koester's specialty?

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

Is Elias Koester enrolled in Medicare?

Yes. Elias Koester is registered in the Medicare PECOS enrollment system.

What insurance does Elias Koester accept?

Health plans from WellSense Health Plan list Elias Koester 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 Elias Koester was last updated on April 21, 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.