SARAH HUNG YING MD
NPI 1275731952
Psychiatry & Neurology - Neurology in Boston, MA
About Sarah Hung Ying Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH HUNG YING MD (NPI 1275731952) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (257808) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
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
Sarah Hung Ying 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 Sarah Ying reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 478 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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 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 Sarah Ying's NPI number?
The NPI number for Sarah Ying is 1275731952. It was assigned to this individual provider in the NPPES registry on July 5, 2007.
Where is Sarah Ying located?
Sarah Ying practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 573-4169.
What is Sarah Ying's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Sarah Ying enrolled in Medicare?
Yes. Sarah Ying 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 Sarah Ying's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Ying reassigns Medicare benefits to Massachusetts Eye And Ear Associates, Inc. (Boston, 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 Sarah Ying'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 Sarah Ying was last updated on July 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Sarah Hung Ying, MD · NPI 1275731952
Neurology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since July 5, 2007.
## Identity
- **NPI:** 1275731952 (Entity type: Individual)
- **Enumerated:** July 5, 2007
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 257808 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 243 CHARLES ST, Boston, MA 02114
- **Phone:** (617) 573-4169
## 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:** Massachusetts Eye And Ear Associates, Inc. (NPI 1932574332, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** July 30, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1275731952) · Data from the CMS NPPES public registry.