STEPHEN PERREAULT MD
NPI 1518964683
Anesthesiology in Rochester, NH
About Stephen Perreault Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN PERREAULT MD (NPI 1518964683) is an individual anesthesiology provider in Rochester, New Hampshire, licensed in New Hampshire (11516) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Elliot Hospital, and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Stephen Perreault Md 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
8Medicare enrollment records show Stephen Perreault reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Somersworth, NH 03878
- Reassigned Medicare billing, New Hampshire enrollment
- 29 clinicians in this Medicare group
Newington, NH 03801
- Reassigned Medicare billing, New Hampshire enrollment
- 22 clinicians in this Medicare group
Portsmouth, NH 03801
- Reassigned Medicare billing, New Hampshire enrollment
- 58 clinicians in this Medicare group
Exeter, NH 03833
- Reassigned Medicare billing, New Hampshire enrollment
- 189 clinicians in this Medicare group
Manchester, NH 03103
- Reassigned Medicare billing, New Hampshire enrollment
- 278 clinicians in this Medicare group
Nashua, NH 03060
- Reassigned Medicare billing, New Hampshire enrollment
- 132 clinicians in this Medicare group
Putnam, CT 06260
- Reassigned Medicare billing, Connecticut enrollment
- 225 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 417 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Elliot Hospital
Acute Care Hospitals · Manchester, NHMedicare 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.
Reported Quality Measures
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 Stephen Perreault's NPI number?
The NPI number for Stephen Perreault is 1518964683. It was assigned to this individual provider in the NPPES registry on July 5, 2005.
Where is Stephen Perreault located?
Stephen Perreault practices at 11 Whitehall Rd Anesthesia Departmetn, Rochester, NH 03867. The listed phone number is (603) 335-8419.
What is Stephen Perreault's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Stephen Perreault enrolled in Medicare?
Yes. Stephen Perreault 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 Stephen Perreault's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Perreault reassigns Medicare benefits to 8 organizations: Apollo Medical Group Of Wentworth PLLC (Somersworth, NH), Apollo Medical Group Of Portsmouth PLLC (Newington, NH), Portsmouth Anesthesia Associates PA (Portsmouth, NH), Anesthesia Care Group PC (Exeter, NH), Amoskeag Anesthesia, PLLC (Manchester, NH) and 3 more organizations, listed in the Medicare section above. 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 Stephen Perreault's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Perreault accept?
Health plans from Taro Health and WellSense Health Plan list Stephen Perreault 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 Stephen Perreault affiliated with any hospitals?
According to CMS data, Stephen Perreault is affiliated with Elliot Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Perreault was last updated on November 4, 2009. 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.
# Stephen Perreault, MD · NPI 1518964683
Anesthesiology physician in Rochester, New Hampshire. Individual provider, active in the CMS NPPES registry since July 5, 2005.
## Identity
- **NPI:** 1518964683 (Entity type: Individual)
- **Enumerated:** July 5, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 11516 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 11 WHITEHALL RD, ANESTHESIA DEPARTMETN, Rochester, NH 03867-3226
- **Phone:** (603) 335-8419
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Apollo Medical Group Of Wentworth PLLC (NPI 1831748185, Somersworth, NH); Apollo Medical Group Of Portsmouth PLLC (NPI 1023780657, Newington, NH); Portsmouth Anesthesia Associates PA (NPI 1568584290, Portsmouth, NH); Anesthesia Care Group PC (NPI 1629074224, Exeter, NH); Amoskeag Anesthesia, PLLC (NPI 1104883511, Manchester, NH); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** November 4, 2009
- **Other identifiers:** Medicaid 30201370 (NH)
---
Source: [NPI Profile](https://npiprofile.com/npi/1518964683) · Data from the CMS NPPES public registry.