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DR. STEPHEN L. SIMPSON, M.D., P.C.
NPI 1952579674
Specialist in Ayer, MA

Active since February 15, 2008
198 GROTON RD, SUITE 1, AYER, MA 01432(978) 862-0025(978) 862-0049 Get Directions Write a Review

NPPES record last updated: December 18, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Stephen L. Simpson, M.d., P.c. NPPES

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

DR. STEPHEN L. SIMPSON, M.D., P.C. (NPI 1952579674) is a healthcare organization registered as a specialist in Ayer, Massachusetts and active in the NPI registry since February 2008. The organization lists Sara J. Flannery, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1952579674
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameDR. STEPHEN L. SIMPSON, M.D., P.C.
Location Address198 GROTON RD, SUITE 1Ayer, MA 01432-1177
Mailing AddressPo Box 6300Providence, RI 02940-6300 · (978) 862-0025 · Fax (978) 862-0049
Phone(978) 862-0025
Fax(978) 862-0049
Organization SubpartNo
Authorized OfficialSara J. FlanneryOffice Manager · (978) 862-0025
Enumeration DateFebruary 15, 2008
Last NPPES UpdateDecember 18, 2008
✔ NPI 1952579674 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in MA · 205051
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
198 GROTON RD, Ayer, MA 01432
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Other Identifiers 11

Other103355800MA · Acs
Other172414MA · Harvard Pilgrim
Medicaid0101877MA
Medicare NSC5434530001MA
Other6919759006MA · Cigna
Other48317MA · Fallon
Other2430200MA · Aetna
Medicare UPIND74126MA
Other0900631MA · United Health
OtherJ22501MA · Bcbs
Other408251MA · Tufts

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

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

STEPHEN L. SIMPSON M.D.
Specialist
198 GROTON RD, SUITE 1
AYER, MA 01432
Middlesex County (978) 862-0025
LONGWOOD ACADEMIC PHYSICIANS, LLC
Internal Medicine (Cardiovascular Disease)
198 GROTON RD, SUITE 2
AYER, MA 01432
Middlesex County (978) 772-3793

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 Dr. Stephen L. Simpson, M.D., P.C.'s NPI number?

The NPI number for Dr. Stephen L. Simpson, M.D., P.C. is 1952579674. It was assigned to this organization in the NPPES registry on February 15, 2008.

Where is Dr. Stephen L. Simpson, M.D., P.C. located?

Dr. Stephen L. Simpson, M.D., P.C. is located at 198 Groton Rd Suite 1, Ayer, MA 01432. The listed phone number is (978) 862-0025.

What is Dr. Stephen L. Simpson, M.D., P.C.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Dr. Stephen L. Simpson, M.D., P.C. was last updated on December 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.