DR. SARAH NYSSA GRAY PSY.D.
NPI 1164774469
Psychologist - Clinical in Arlington, MA
About Dr. Sarah Nyssa Gray Psy.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARAH NYSSA GRAY PSY.D. (NPI 1164774469) is an individual clinical provider in Arlington, Massachusetts, licensed in Massachusetts (9597) and active in the NPI registry since October 2012. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Dr. Sarah Nyssa Gray Psy.d. 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 Sarah Gray 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.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02474 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ARLINGTON, MA 02474
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 Sarah Gray's NPI number?
The NPI number for Sarah Gray is 1164774469. It was assigned to this individual provider in the NPPES registry on October 10, 2012.
Where is Sarah Gray located?
Sarah Gray practices at 366 Massachusetts Ave Ste 303, Arlington, MA 02474. The listed phone number is (339) 707-5236.
What is Sarah Gray's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Sarah Gray enrolled in Medicare?
Yes. Sarah Gray 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 Sarah Gray's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Gray 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 Sarah Gray's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Gray accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Sarah Gray 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 Sarah Gray was last updated on September 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Sarah Nyssa Gray, PSY.D. · NPI 1164774469
Clinical provider in Arlington, Massachusetts. Individual provider, active in the CMS NPPES registry since October 10, 2012.
## Identity
- **NPI:** 1164774469 (Entity type: Individual)
- **Enumerated:** October 10, 2012
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 9597 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 366 MASSACHUSETTS AVE STE 303, Arlington, MA 02474
- **Phone:** (339) 707-5236
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** September 25, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1164774469) · Data from the CMS NPPES public registry.