MR. WILLIAM PERRY CRNA
NPI 1306847520
Nurse Anesthetist, Certified Registered in Portsmouth, NH
About Mr. William Perry Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM PERRY CRNA (NPI 1306847520) is an individual nurse anesthetist, certified registered in Portsmouth, New Hampshire, licensed in New Hampshire (0408332311) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Mr. William Perry Crna 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
6Medicare enrollment records show William Perry reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Andover, MA 01810
- Reassigned Medicare billing, Massachusetts enrollment
- 14 clinicians in this Medicare group
Acton, MA 01720
- Reassigned Medicare billing, Massachusetts enrollment
- 125 clinicians in this Medicare group
Milton, MA 02186
- Reassigned Medicare billing, Massachusetts enrollment
- 556 clinicians in this Medicare group
Fall River, MA 02720
- Reassigned Medicare billing, Massachusetts enrollment
- 192 clinicians in this Medicare group
Nantucket, MA 02554
- Reassigned Medicare billing, Massachusetts enrollment
- 206 clinicians in this Medicare group
Nantucket, MA 02554
- Reassigned Medicare billing, Massachusetts enrollment
- 172 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MANantucket Cottage Hospital
Acute Care Hospitals · Nantucket, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PORTSMOUTH, NH 03801
PORTSMOUTH, NH 03801
PORTSMOUTH, NH 03801
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 William Perry's NPI number?
The NPI number for William Perry is 1306847520. It was assigned to this individual provider in the NPPES registry on August 10, 2005.
Where is William Perry located?
William Perry practices at 333 Borthwick Ave, Portsmouth, NH 03801. The listed phone number is (603) 436-5110.
What is William Perry's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is William Perry enrolled in Medicare?
Yes. William Perry 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 William Perry's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Perry reassigns Medicare benefits to 6 organizations: Anesthetic Solutions PC (Andover, MA), Gbaa Holdings, PLLC (Acton, MA), Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Milton, MA), North American Partners In Anesthesia Massachusetts LLC (Fall River, MA), Nantucket Cottage Hospital (Nantucket, MA) and 1 more organization, 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 William Perry's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Perry affiliated with any hospitals?
According to CMS data, William Perry is affiliated with Massachusetts General Hospital and Nantucket Cottage Hospital.
When was this NPI record last updated?
The NPPES record for William Perry was last updated on June 26, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Mr. William Perry, CRNA · NPI 1306847520
Nurse Anesthetist, Certified Registered physician in Portsmouth, New Hampshire. Individual provider, active in the CMS NPPES registry since August 10, 2005.
## Identity
- **NPI:** 1306847520 (Entity type: Individual)
- **Enumerated:** August 10, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 0408332311 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 333 BORTHWICK AVE, Portsmouth, NH 03801-7128
- **Phone:** (603) 436-5110
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Anesthetic Solutions PC (NPI 1306041603, Andover, MA); Gbaa Holdings, PLLC (NPI 1790299592, Acton, MA); Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (NPI 1245773308, Milton, MA); North American Partners In Anesthesia Massachusetts LLC (NPI 1457867020, Fall River, MA); Nantucket Cottage Hospital (NPI 1447214622, Nantucket, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** June 26, 2008
- **Other identifiers:** Medicare PIN RE5362 (NH); Medicaid 30340301 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1306847520) · Data from the CMS NPPES public registry.