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SEACOAST AFFILIATED GROUP PRACTICE, INC.
NPI 1801892344
Clinic/Center in Newburyport, MA

Active since June 21, 2005
25 HIGHLAND AVE, NEWBURYPORT, MA 01950(978) 463-1390(978) 463-1190 Get Directions Write a Review

NPPES record last updated: October 9, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Seacoast Affiliated Group Practice, Inc. NPPES

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

SEACOAST AFFILIATED GROUP PRACTICE, INC. (NPI 1801892344) is a healthcare organization registered as a clinic/center in Newburyport, Massachusetts and active in the NPI registry since June 2005. The organization lists Mark Goldstein, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1801892344
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameSEACOAST AFFILIATED GROUP PRACTICE, INC.
Location Address25 HIGHLAND AVENewburyport, MA 01950-3867
Mailing Address25 Highland AveNewburyport, MA 01950-3867 · (978) 463-1390 · Fax (978) 463-1190
Phone(978) 463-1390
Fax(978) 463-1190
Organization SubpartNo
Authorized OfficialMark GoldsteinPresident/ceo · (978) 463-1010
Enumeration DateJune 21, 2005
Last NPPES UpdateOctober 9, 2015
✔ NPI 1801892344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
25 HIGHLAND AVE, Newburyport, MA 01950
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Other Identifiers 2

Medicare ID-Type UnspecifiedM20862MA
Medicaid9785906MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Seacoast Affiliated Group Practice, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

90

Medicare enrollment records show 90 clinicians reassign Medicare billing to Seacoast Affiliated Group Practice, Inc., which bills Medicare for the services they deliver. Of these, 12 practice at this address and 32 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 15

Nurse Practitioner29
Obstetrics/Gynecology11
Certified Nurse Midwife (CNM)10
Neurology9
General Surgery7
Internal Medicine7
Gastroenterology5
Family Practice3
7 other specialties9

Nearest to this location (20)

See all 90
Martha Chichester, N.P.
Nurse Practitioner
NPI 1922288117
25 HIGHLAND AVE
Newburyport, MA 01950
(978) 914-0405
✔ PECOS✔ Accepts MedicareSame address
Peter Hartmann, M.D.
General Surgery
NPI 1518006360
21 HIGHLAND AVE SUITE 12
Newburyport, MA 01950
(978) 463-8686
✔ PECOS✔ Accepts MedicareSame address
Christine Hatch, M.S.R.N., C.S., N.P.
Nurse Practitioner
NPI 1831304138
21 HIGHLAND AVE SUITE 24
Newburyport, MA 01950
(978) 462-1555
✔ PECOS✔ Accepts MedicareSame address
Jessica Lara, APRN
Nurse Practitioner
NPI 1447668215
25 HIGHLAND AVE
Newburyport, MA 01950
(978) 463-1000
✔ PECOS✔ Accepts MedicareSame address
Brett Matthews, D.O.
General Surgery
NPI 1710298195
21 HIGHLAND AVE STE 3
Newburyport, MA 01950
(978) 572-1149
✔ PECOS✔ Accepts MedicareSame address
Peter Sebeny, M.D.
Infectious Disease
NPI 1194704932
21 HIGHLAND AVE STE 5
Newburyport, MA 01950
(978) 255-4886
✔ PECOS✔ Accepts MedicareSame address
Viktoria Shvets, M.D.
Internal Medicine
NPI 1164422259
21 HIGHLAND AVE ANNAJAQUES HOSPITAL
Newburyport, MA 01950
(978) 463-7770
✔ PECOS✔ Accepts MedicareSame address
Kelly Sutherland, ANP-BC
Nurse Practitioner
NPI 1740595156
25 HIGHLAND AVE
Newburyport, MA 01950
(978) 463-1383
✔ PECOS✔ Accepts MedicareSame address
Jeffrey Thurlow, MD
General Surgery
NPI 1760480693
21 HIGHLAND AVE STE 3
Newburyport, MA 01950
(978) 572-1149
✔ PECOS✔ Accepts MedicareSame address
Ryan Hall, MD
General Surgery
NPI 1639732605
25 HIGHLAND AVE
Newburyport, MA 01950
(978) 463-1000
✔ PECOS✔ Accepts MedicareSame address
Giulia Rizzo, MD
General Surgery
NPI 1164983847
21 HIGHLAND AVE STE 3
Newburyport, MA 01950
(978) 572-1149
✔ PECOS✔ Accepts MedicareSame address
Tracy Wilbraham, NP
Nurse Practitioner
NPI 1063499168
25 HIGHLAND AVE
Newburyport, MA 01950
(617) 362-6848
✔ PECOS✔ Accepts MedicareSame address
Lydia Jeffcoat, MD
Internal Medicine
NPI 1699874495
1 WALLACE BASHAW WAY SUITE 2003
Newburyport, MA 01950
(978) 465-0635
✔ PECOS0.1 mi
Melissa Maloney, N.P.
Nurse Practitioner
NPI 1700035656
1 WALLACE BASHAW WAY STE 2002
Newburyport, MA 01950
(978) 465-0635
✔ PECOS0.1 mi
Katherine Clifford, N.P
Nurse Practitioner
NPI 1710004015
1 WALLACE BASHAW WAY STE 2003
Newburyport, MA 01950
(978) 465-7719
✔ PECOS0.2 mi
Steven Wan
Obstetrics/Gynecology
NPI 1750946778
255 LOW ST STE 101
Newburyport, MA 01950
(978) 556-0100
✔ PECOS✔ Accepts Medicare0.9 mi
Julie Geary, MD
Endocrinology
NPI 1285691238
255 LOW ST STE 102
Newburyport, MA 01950
(978) 463-3197
✔ PECOS✔ Accepts Medicare0.9 mi
Christa Ramsey, CNM
Certified Nurse Midwife (CNM)
NPI 1609318831
255 LOW ST SUITE 101
Newburyport, MA 01950
(978) 556-0100
✔ PECOS✔ Accepts Medicare0.9 mi
Richard Zirin, M.D.
Gastroenterology
NPI 1548267883
255 LOW ST STE 201
Newburyport, MA 01950
(978) 465-4622
✔ PECOS✔ Accepts Medicare0.9 mi
Kimberly Kersten, DO
Internal Medicine
NPI 1912903030
28 GREEN ST
Newburyport, MA 01950
(978) 465-7719
✔ PECOS✔ Accepts Medicare1.0 mi
See all 90 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Seacoast Affiliated Group Practice, Inc.'s NPI number?

The NPI number for Seacoast Affiliated Group Practice, Inc. is 1801892344. It was assigned to this organization in the NPPES registry on June 21, 2005.

Where is Seacoast Affiliated Group Practice, Inc. located?

Seacoast Affiliated Group Practice, Inc. is located at 25 Highland Ave, Newburyport, MA 01950. The listed phone number is (978) 463-1390.

What is Seacoast Affiliated Group Practice, Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Seacoast Affiliated Group Practice, Inc. enrolled in Medicare?

Yes. Seacoast Affiliated Group Practice, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Seacoast Affiliated Group Practice, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 90 clinicians in 15 Medicare specialties reassign their Medicare billing to Seacoast Affiliated Group Practice, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (29), Obstetrics/Gynecology (11) and Certified Nurse Midwife (CNM) (10). Of these, 12 practice at this address and 32 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Seacoast Affiliated Group Practice, Inc. accept?

Health plans from Anthem Blue Cross and Blue Shield list Seacoast Affiliated Group Practice, Inc. 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 Seacoast Affiliated Group Practice, Inc. was last updated on October 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.