ELIZABETH J ROSSIN MD, PHD
NPI 1154734226
Ophthalmology in Boston, MA
About Elizabeth J Rossin Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIZABETH J ROSSIN MD, PHD (NPI 1154734226) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (274284) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Harvard Medical School (2014).
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
Elizabeth J Rossin Md, 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 Reassignment
Medicare enrollment records show Elizabeth Rossin 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.
Areas of Expertise CMS Part B claims 12
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.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAMassachusetts Eye And Ear Infirmary -
Acute Care Hospitals · Boston, MAPhysician 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 Elizabeth Rossin's NPI number?
The NPI number for Elizabeth Rossin is 1154734226. It was assigned to this individual provider in the NPPES registry on June 6, 2014.
Where is Elizabeth Rossin located?
Elizabeth Rossin practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 573-3416.
What is Elizabeth Rossin's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Elizabeth Rossin enrolled in Medicare?
Yes. Elizabeth Rossin 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 Elizabeth Rossin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Rossin 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 Elizabeth Rossin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Elizabeth Rossin affiliated with any hospitals?
According to CMS data, Elizabeth Rossin is affiliated with Massachusetts General Hospital and Massachusetts Eye And Ear Infirmary -.
When was this NPI record last updated?
The NPPES record for Elizabeth Rossin was last updated on June 25, 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.
# Elizabeth J Rossin, MD, PHD · NPI 1154734226
Ophthalmology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 6, 2014.
## Identity
- **NPI:** 1154734226 (Entity type: Individual)
- **Enumerated:** June 6, 2014
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 274284 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 243 CHARLES ST, Boston, MA 02114
- **Phone:** (617) 573-3416
## 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:** Harvard Medical School, class of 2014
## Record status
- **NPPES last updated:** June 25, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1154734226) · Data from the CMS NPPES public registry.