ALISON MAY
NPI 1578236121
Nurse Practitioner in Boston, MA
About Alison May NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON MAY (NPI 1578236121) is an individual nurse practitioner in Boston, Massachusetts, licensed in Massachusetts (RN2281975) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 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
Alison May 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
3Medicare enrollment records show Alison May reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 125 clinicians in this Medicare group
Roxbury Crossing, MA 02120
- Reassigned Medicare billing, Massachusetts enrollment
- 112 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 6
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.
Beth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MANew England Baptist Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 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.
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
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 Alison May's NPI number?
The NPI number for Alison May is 1578236121. It was assigned to this individual provider in the NPPES registry on July 29, 2021.
Where is Alison May located?
Alison May practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-7660.
What is Alison May's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Alison May enrolled in Medicare?
Yes. Alison May 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 Alison May's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison May reassigns Medicare benefits to 3 organizations: Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Joslin Clinic Inc (Boston, MA) and New England Baptist Medical Associates, Inc. (Roxbury Crossing, MA). 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 Alison May's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alison May affiliated with any hospitals?
According to CMS data, Alison May is affiliated with Beth Israel Deaconess Medical Center and New England Baptist Hospital.
When was this NPI record last updated?
The NPPES record for Alison May was last updated on October 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Alison May · NPI 1578236121
Nurse Practitioner physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since July 29, 2021.
## Identity
- **NPI:** 1578236121 (Entity type: Individual)
- **Enumerated:** July 29, 2021
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN2281975 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 BROOKLINE AVE, Boston, MA 02215-5400
- **Phone:** (617) 632-7660
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA); Joslin Clinic Inc (NPI 1528003621, Boston, MA); New England Baptist Medical Associates, Inc. (NPI 1609854991, Roxbury Crossing, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 28, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1578236121) · Data from the CMS NPPES public registry.