ROSALYN CHEN
NPI 1639756562
Anesthesiology in Madison, WI
About Rosalyn Chen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROSALYN CHEN (NPI 1639756562) is an individual anesthesiology provider in Madison, Wisconsin, licensed in Wisconsin (85982) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Rosalyn Chen 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
3Medicare enrollment records show Rosalyn Chen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 62 clinicians in this Medicare group
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAUniversity Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MADISON, WI 53792
MADISON, WI 53792
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 Rosalyn Chen's NPI number?
The NPI number for Rosalyn Chen is 1639756562. It was assigned to this individual provider in the NPPES registry on March 26, 2021.
Where is Rosalyn Chen located?
Rosalyn Chen practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-8100.
What is Rosalyn Chen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Rosalyn Chen enrolled in Medicare?
Yes. Rosalyn Chen 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 Rosalyn Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rosalyn Chen reassigns Medicare benefits to 3 organizations: Generations Fertility Care Inc (Middleton, WI), University Of Wisconsin Medical Foundation, Inc (Middleton, WI) and Brigham & Womens Physicians Organization Inc (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 Rosalyn Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Rosalyn Chen affiliated with any hospitals?
According to CMS data, Rosalyn Chen is affiliated with Brigham And Women's Hospital and University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Rosalyn Chen was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Rosalyn Chen · NPI 1639756562
Anesthesiology physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since March 26, 2021.
## Identity
- **NPI:** 1639756562 (Entity type: Individual)
- **Enumerated:** March 26, 2021
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 85982 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 HIGHLAND AVE, Madison, WI 53792-0001
- **Phone:** (608) 263-8100
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Generations Fertility Care Inc (NPI 1093025686, Middleton, WI); University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** November 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639756562) · Data from the CMS NPPES public registry.