ASHLEY M NELSON PHD
NPI 1801388400
Psychologist in Boston, MA
About Ashley M Nelson Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASHLEY M NELSON PHD (NPI 1801388400) is an individual psychologist in Boston, Massachusetts, licensed in Massachusetts (11791) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
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
Ashley M Nelson Phd 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
2Medicare enrollment records show Ashley Nelson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 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 Ashley Nelson's NPI number?
The NPI number for Ashley Nelson is 1801388400. It was assigned to this individual provider in the NPPES registry on May 31, 2018.
Where is Ashley Nelson located?
Ashley Nelson practices at 55 Fruit St Massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 726-3648.
What is Ashley Nelson's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Ashley Nelson enrolled in Medicare?
Yes. Ashley Nelson 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 Ashley Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Nelson reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, 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 Ashley Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ashley Nelson accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Ashley Nelson 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.
When was this NPI record last updated?
The NPPES record for Ashley Nelson was last updated on September 30, 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.