ALYSON YEE MD
NPI 1245973999
Emergency Medicine in Boston, MA
About Alyson Yee Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSON YEE MD (NPI 1245973999) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (1021975) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2022).
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
Alyson Yee 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 Reassignments
4Medicare enrollment records show Alyson Yee reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1952358533 (Massachusetts)
- 1,006 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1316987993 (Massachusetts)
- 2,579 clinicians in this Medicare group
Milton, MA 02186
- Reassigned Medicare billing, Massachusetts enrollment
- 177 clinicians in this Medicare group
Fall River, MA 02720
- Reassigned Medicare billing, Massachusetts enrollment
- 163 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Auburn Hospital
Acute Care Hospitals · Cambridge, MASouthcoast Hospitals Group
Acute Care Hospitals · Fall River, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 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 02215
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
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 Alyson Yee's NPI number?
The NPI number for Alyson Yee is 1245973999. It was assigned to this individual provider in the NPPES registry on April 19, 2022.
Where is Alyson Yee located?
Alyson Yee practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-7000.
What is Alyson Yee's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alyson Yee enrolled in Medicare?
Yes. Alyson Yee 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 Alyson Yee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyson Yee reassigns Medicare benefits to 4 organizations: Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Bid-Milton Physician Associates Inc (Milton, MA) and Southcoast Hospitals Group, Inc (Fall River, 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 Alyson Yee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alyson Yee accept?
Health plans from Taro Health list Alyson Yee 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.
Is Alyson Yee affiliated with any hospitals?
According to CMS data, Alyson Yee is affiliated with Mount Auburn Hospital, Southcoast Hospitals Group and Beth Israel Deaconess Medical Center.
When was this NPI record last updated?
The NPPES record for Alyson Yee was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Alyson Yee, MD · NPI 1245973999
Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 19, 2022.
## Identity
- **NPI:** 1245973999 (Entity type: Individual)
- **Enumerated:** April 19, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 1021975 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 BROOKLINE AVE, Boston, MA 02215-5400
- **Phone:** (617) 667-7000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (NPI 1861216038, Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA); Bid-Milton Physician Associates Inc (NPI 1184312738, Milton, MA); Southcoast Hospitals Group, Inc (NPI 1306871223, Fall River, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Chicago, Pritzker School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** March 31, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1245973999) · Data from the CMS NPPES public registry.