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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AMMONOOSUC COMMUNITY HEALTH SERVICES INC
NPI 1598716755
Family Medicine in Littleton, NH

Active since May 13, 2006
25 MOUNT EUSTIS RD, LITTLETON, NH 03561(603) 444-2464(603) 444-3441 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 8, 2026, Sep 19, 2025, Apr 16, 2019 and 3 more (6 updates tracked since 2015).

About Ammonoosuc Community Health Services Inc NPPES

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

AMMONOOSUC COMMUNITY HEALTH SERVICES INC (NPI 1598716755), doing business as Ammonoosuc Community Health Services, Inc., is a healthcare organization registered as a family medicine in Littleton, New Hampshire and active in the NPI registry since May 2006. The organization lists Edward Shanshala, Chief Executive Officer, as its authorized official.

NPPES Registry Identity

NPI1598716755
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameAMMONOOSUC COMMUNITY HEALTH SERVICES INC
Location Address25 MOUNT EUSTIS RDLittleton, NH 03561-3712
Mailing Address25 Mount Eustis RdLittleton, NH 03561-3712 · (603) 444-2464 · Fax (603) 444-3441
Phone(603) 444-2464
Fax(603) 444-3441
Organization SubpartNo
Authorized OfficialEdward ShanshalaChief Executive Officer · (603) 444-8223
Enumeration DateMay 13, 2006
Last NPPES UpdateSeptember 8, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2026
✔ NPI 1598716755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedDentist · General PracticeTaxonomy 1223G0001X
25 MOUNT EUSTIS RD, Littleton, NH 03561
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Other Names 1

Doing Business AsAmmonoosuc Community Health Services, Inc.

Other Identifiers 3

Medicaid80301804NH
Medicaid3072342NH
Other2131385Pk

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 MULTIPLE SINGLE SPECIALTY GROUP

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ammonoosuc Community Health Services Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew HampshireEnrollment IDO20050131000738Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

21

Medicare enrollment records show 21 clinicians reassign Medicare billing to Ammonoosuc Community Health Services Inc, which bills Medicare for the services they deliver. Of these, 8 practice at this address and 11 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Nurse Practitioner9
Family Practice8
Clinical Social Worker2
Mental Health Counselor2

Nearest to this location (20)

See all 21
Andreas Aguilera-Fish, MD
Family Practice
NPI 1578183992
25 MOUNT EUSTIS RD
Littleton, NH 03561
(603) 444-2464
✔ PECOS✔ Accepts MedicareSame address
Pamela Comeau, PMHNP-BC
Nurse Practitioner
NPI 1487126181
25 MOUNT EUSTIS RD
Littleton, NH 03561
(603) 444-2462
✔ PECOS✔ Accepts MedicareSame address
Julie Ferland, APRN
Nurse Practitioner
NPI 1720605645
25 MOUNT EUSTIS RD
Littleton, NH 03561
(603) 444-2464
✔ PECOS✔ Accepts MedicareSame address
Joy King
Mental Health Counselor
NPI 1053048595
25 MOUNT EUSTIS RD
Littleton, NH 03561
(603) 444-2464
✔ PECOS✔ Accepts MedicareSame address
Ian Parker, D.O.
Family Practice
NPI 1124387139
25 MOUNT EUSTIS RD
Littleton, NH 03561
(603) 444-2464
✔ PECOS✔ Accepts MedicareSame address
Kathleen Smith, M.D.
Family Practice
NPI 1982688123
25 MOUNT EUSTIS RD
Littleton, NH 03561
(603) 991-9469
✔ PECOS✔ Accepts MedicareSame address
Nicole Fischler, APRN
Nurse Practitioner
NPI 1356490312
25 MOUNT EUSTIS RD
Littleton, NH 03561
(603) 444-2464
✔ PECOS✔ Accepts MedicareSame address
David Ferris, DO
Family Practice
NPI 1053389817
25 MOUNT EUSTIS RD
Littleton, NH 03561
(603) 444-7070
✔ PECOS✔ Accepts MedicareSame address
Melissa Buddensee, M.D.
Family Practice
NPI 1962630202
14 KING SQ
Whitefield, NH 03598
(603) 837-2333
✔ PECOS✔ Accepts Medicare9.3 mi
Keri Stiles, APRN
Nurse Practitioner
NPI 1477115053
14 KING SQ
Whitefield, NH 03598
(603) 837-2333
✔ PECOS✔ Accepts Medicare9.3 mi
Katrina Colby, APRN
Nurse Practitioner
NPI 1578178489
14 KING SQ
Whitefield, NH 03598
(603) 444-8271
✔ PECOS✔ Accepts Medicare9.3 mi
Elizabeth Harrington, APRN
Nurse Practitioner
NPI 1043696198
79 SWIFTWATER RD
Woodsville, NH 03785
(603) 747-3740
✔ PECOS✔ Accepts Medicare17 mi
Benson Kenney-Canfield, DNP, FNP-C
Nurse Practitioner
NPI 1063127579
79 SWIFTWATER RD
Woodsville, NH 03785
(603) 747-3740
✔ PECOS✔ Accepts Medicare17 mi
Judith Santy, LICSW
Clinical Social Worker
NPI 1396961744
79 SWIFTWATER RD
Woodsville, NH 03785
(603) 747-3740
✔ PECOS✔ Accepts Medicare17 mi
Aaron Solnit, M.D.
Family Practice
NPI 1992754964
79 SWIFTWATER RD AMMONOOSUC COMMUNITY HEALTH SERVICES, INC.
Woodsville, NH 03785
(603) 747-3740
✔ PECOS✔ Accepts Medicare17 mi
Colleen Sullivan, RN/NP
Nurse Practitioner
NPI 1770916959
79 SWIFTWATER RD
Woodsville, NH 03785
(603) 747-3990
✔ PECOS✔ Accepts Medicare17 mi
Laura Mack, MA, LADC, LCMHC
Mental Health Counselor
NPI 1659998201
79 SWIFTWATER RD
Woodsville, NH 03785
(603) 747-3740
✔ PECOS✔ Accepts Medicare17 mi
Sarah Young Xu, M.D.
Family Practice
NPI 1700835824
79 SWIFTWATER RD
Woodsville, NH 03785
(603) 747-3740
✔ PECOS✔ Accepts Medicare17 mi
Lili Cargill, ARNP
Nurse Practitioner
NPI 1417906496
3855 DARTMOUTH COLLEGE HWY
North Haverhill, NH 03774
(603) 787-6971
✔ PECOS✔ Accepts Medicare18 mi
Caitlin Odonnell, MD
Family Practice
NPI 1477514610
333 NH ROUTE 25
Warren, NH 03279
(603) 764-5704
✔ PECOS✔ Accepts Medicare27 mi
See all 21 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 Ammonoosuc Community Health Services Inc's NPI number?

The NPI number for Ammonoosuc Community Health Services Inc is 1598716755. It was assigned to this organization in the NPPES registry on May 13, 2006. The provider is doing business as Ammonoosuc Community Health Services, Inc..

Where is Ammonoosuc Community Health Services Inc located?

Ammonoosuc Community Health Services Inc is located at 25 Mount Eustis Rd, Littleton, NH 03561. The listed phone number is (603) 444-2464.

What is Ammonoosuc Community Health Services Inc's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Ammonoosuc Community Health Services Inc enrolled in Medicare?

Yes. Ammonoosuc Community Health Services Inc is registered in the Medicare PECOS enrollment system.

When is Ammonoosuc Community Health Services Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New Hampshire, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Ammonoosuc Community Health Services Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 21 clinicians in 4 Medicare specialties reassign their Medicare billing to Ammonoosuc Community Health Services 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 (9), Family Practice (8) and Clinical Social Worker (2). Of these, 8 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Ammonoosuc Community Health Services Inc accept?

Health plans from Anthem Blue Cross and Blue Shield list Ammonoosuc Community Health Services 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 Ammonoosuc Community Health Services Inc was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 days 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.