DR. ALEXANDRA NICOLE CLAY MD
NPI 1700529187
Student in an Organized Health Care Education/Training Program in Boston, MA
About Dr. Alexandra Nicole Clay Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDRA NICOLE CLAY MD (NPI 1700529187) is an individual student in an organized health care education/training program in Boston, Massachusetts and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Alexandra Nicole Clay 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 Reassignment
Medicare enrollment records show Alexandra Clay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Belmont, MA 02478
- Reassigned Medicare billing, Massachusetts enrollment
- 422 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.
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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Alexandra Clay's NPI number?
The NPI number for Alexandra Clay is 1700529187. It was assigned to this individual provider in the NPPES registry on April 14, 2022.
Where is Alexandra Clay located?
Alexandra Clay practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.
What is Alexandra Clay's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Alexandra Clay enrolled in Medicare?
Yes. Alexandra Clay 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 organization bills Medicare for Alexandra Clay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Clay reassigns Medicare benefits to The Mclean Hospital Corporation (Belmont, MA). The 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 Alexandra Clay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alexandra Clay was last updated on April 14, 2022. 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.
# Dr. Alexandra Nicole Clay, MD · NPI 1700529187
Student in an Organized Health Care Education/Training Program provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 14, 2022.
## Identity
- **NPI:** 1700529187 (Entity type: Individual)
- **Enumerated:** April 14, 2022
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2696
- **Phone:** (617) 726-2000
## 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:** The Mclean Hospital Corporation (NPI 1114979580, Belmont, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** April 14, 2022
- **Other identifiers:** Medicaid PENDING (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1700529187) · Data from the CMS NPPES public registry.