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MR. EHSAN DAVID KNOPF
NPI 1619600939
Social Worker - Clinical in Manchester, NH

Active since July 05, 2022PECOS Enrolled
91 LANGDON ST APT 1, MANCHESTER, NH 03101(562) 774-2280 Get Directions Write a Review

NPPES record last updated: March 31, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 31, 2026, Oct 11, 2024, Jun 16, 2023 and 2 more (5 updates tracked since 2022).

About Mr. Ehsan David Knopf NPPES

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

MR. EHSAN DAVID KNOPF (NPI 1619600939) is an individual clinical provider in Manchester, New Hampshire, licensed in California (126617) and active in the NPI registry since July 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619600939
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. EHSAN DAVID KNOPF
Location Address91 LANGDON ST APT 1Manchester, NH 03101-1267
Mailing Address40 Hood RdBrookline, NH 03033-2439 · (213) 705-0486
Phone(562) 774-2280
Sole ProprietorNo
Enumeration DateJuly 5, 2022
Last NPPES UpdateMarch 31, 20265 updates tracked since enumeration
NPPES CertifiedMarch 31, 2026
✔ NPI 1619600939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in CA · 126617✔ Licensed in NH · 5157✔ Licensed in ME · LC24947✔ Licensed in MA · 1121354
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.
91 LANGDON ST APT 1, Manchester, NH 03101
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Accepted Insurance

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

Mr. Ehsan David Knopf 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 03101 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.

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 Ehsan Knopf's NPI number?

The NPI number for Ehsan Knopf is 1619600939. It was assigned to this individual provider in the NPPES registry on July 5, 2022.

Where is Ehsan Knopf located?

Ehsan Knopf practices at 91 Langdon St Apt 1, Manchester, NH 03101. The listed phone number is (562) 774-2280.

What is Ehsan Knopf's specialty?

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

Is Ehsan Knopf enrolled in Medicare?

Yes. Ehsan Knopf is registered in the Medicare PECOS enrollment system.

What insurance does Ehsan Knopf accept?

Health plans from Harvard Pilgrim Health Care and Providence Health Plan list Ehsan Knopf 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 Ehsan Knopf was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.