TAMMY SIMPKINS APRN
NPI 1780005231
Nurse Practitioner - Acute Care in Keene, NH
About Tammy Simpkins Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY SIMPKINS APRN (NPI 1780005231) is an individual acute care provider in Keene, New Hampshire, licensed in New Hampshire (041202-23) and active in the NPI registry since January 2014. She is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Tammy Simpkins Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Tammy Simpkins reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 450 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1386697803 (New Hampshire)
- 2,999 clinicians in this Medicare group
Brattleboro, VT 05301
- Reassigned Medicare billing, Vermont enrollment
- 101 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHCheshire Medical Center
Acute Care Hospitals · Keene, NHBrattleboro Memorial Hospital
Acute Care Hospitals · Brattleboro, VTGrace Cottage Hospital
Critical Access Hospitals · Townshend, VTSpringfield Hospital
Critical Access Hospitals · Springfield, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03431 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Tammy Simpkins's NPI number?
The NPI number for Tammy Simpkins is 1780005231. It was assigned to this individual provider in the NPPES registry on January 1, 2014.
Where is Tammy Simpkins located?
Tammy Simpkins practices at 590 Court St Dartmouth-Hitchcock Clinic Cardiology Dept., Keene, NH 03431. The listed phone number is (603) 354-5454.
What is Tammy Simpkins's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Tammy Simpkins enrolled in Medicare?
Yes. Tammy Simpkins is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Tammy Simpkins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Simpkins reassigns Medicare benefits to 4 organizations: Cheshire Medical Center (Keene, NH), Dartmouth-Hitchcock Clinic (Keene, NH), Brattleboro Memorial Hospital (Brattleboro, VT) and Mary Hitchcock Memorial Hospital (Lebanon, NH). Each 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 Tammy Simpkins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Simpkins accept?
Health plans from Ambetter from NH Healthy Families and Anthem Blue Cross and Blue Shield list Tammy Simpkins 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.
Is Tammy Simpkins affiliated with any hospitals?
According to CMS data, Tammy Simpkins is affiliated with Mary Hitchcock Memorial Hospital, Cheshire Medical Center, Brattleboro Memorial Hospital, Grace Cottage Hospital and Springfield Hospital.
When was this NPI record last updated?
The NPPES record for Tammy Simpkins was last updated on April 8, 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.
# Tammy Simpkins, APRN · NPI 1780005231
Acute Care physician in Keene, New Hampshire. Individual provider, active in the CMS NPPES registry since January 1, 2014.
## Identity
- **NPI:** 1780005231 (Entity type: Individual)
- **Enumerated:** January 1, 2014
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 041202-23 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 590 COURT ST, DARTMOUTH-HITCHCOCK CLINIC CARDIOLOGY DEPT., Keene, NH 03431-1719
- **Phone:** (603) 354-5454
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Cheshire Medical Center (NPI 1306349444, Keene, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Brattleboro Memorial Hospital (NPI 1306849708, Brattleboro, VT); Mary Hitchcock Memorial Hospital (NPI 1023092053, Lebanon, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** April 8, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1780005231) · Data from the CMS NPPES public registry.