STONY BROOK PRIMARY CARE LLC – Internal Medicine Physician, NPI 1790945160

STONY BROOK PRIMARY CARE LLC is a healthcare provider. based in North chelmsford, Massachusetts. specializing in Internal Medicine Physician. The NPI Number for STONY BROOK PRIMARY CARE LLC is 1790945160

Main info

Organization
Name
STONY BROOK PRIMARY CARE LLC
NPI
1790945160
Phone
(978) 446-9850
Address
20 RESEARCH PL
Authorized Official
JESSICA WIESELQUIST OWNER/PROVIDER MD
Enumeration Date
10 June 2008
Last Update Date
31 July 2017
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience41
Completeness75
Years active:18State licenses:0Digital endpointsOther names

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Provider Addresses for STONY BROOK PRIMARY CARE LLC

  • 20, Research Place, Chelmsford, Middlesex County, Massachusetts, 01863, United States

    SUITE 100

    NORTH CHELMSFORD, MA 018632454

    Phone: (978) 446-9850

    Fax: (855) 283-4714

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-12-05

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
O20081205000630OClinic/Group PracticeMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01863)

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Reviews

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Frequently asked questions

What is STONY BROOK PRIMARY CARE LLC's NPI number?
STONY BROOK PRIMARY CARE LLC's NPI is 1790945160 — the number used across U.S. healthcare to identify this provider.
Is STONY BROOK PRIMARY CARE LLC still an active registrant?
STONY BROOK PRIMARY CARE LLC carries an active NPI according to the public dataset.
What clinical focus is listed for STONY BROOK PRIMARY CARE LLC?
At a glance, STONY BROOK PRIMARY CARE LLC is tied to Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for STONY BROOK PRIMARY CARE LLC?
Travel planning: use North Chelmsford, Massachusetts as the reference point for STONY BROOK PRIMARY CARE LLC, then confirm.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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