TIFFANY ANN CHEN M.D.
NPI 1740523455
Obstetrics & Gynecology in Seattle, WA
About Tiffany Ann Chen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIFFANY ANN CHEN M.D. (NPI 1740523455) is an individual obstetrics & gynecology provider in Seattle, Washington, licensed in Washington (MD60777425) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Tiffany Ann Chen M.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 Tiffany Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 589 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Womens Healthcare Alliance PLLC
- 16 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 98104 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98104
SEATTLE, WA 98104
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 Tiffany Chen's NPI number?
The NPI number for Tiffany Chen is 1740523455. It was assigned to this individual provider in the NPPES registry on April 1, 2013.
Where is Tiffany Chen located?
Tiffany Chen practices at 1101 Madison St Ste 1150, Seattle, WA 98104. The listed phone number is (206) 386-3400.
What is Tiffany Chen's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Tiffany Chen enrolled in Medicare?
Yes. Tiffany 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 Tiffany Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Chen reassigns Medicare benefits to 2 organizations: Proliance Surgeons, Inc., P.S. (Seattle, WA) and Women's Healthcare Alliance PLLC (Seattle, WA). 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 Tiffany Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tiffany Chen accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Tiffany Chen 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 Tiffany Chen was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Tiffany Ann Chen, M.D. · NPI 1740523455
Obstetrics & Gynecology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 1, 2013.
## Identity
- **NPI:** 1740523455 (Entity type: Individual)
- **Enumerated:** April 1, 2013
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD60777425 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1101 MADISON ST STE 1150, Seattle, WA 98104-3558
- **Phone:** (206) 386-3400 · **Fax:** (206) 386-3411
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Proliance Surgeons, Inc., P.S. (NPI 1740727106, Seattle, WA); Women's Healthcare Alliance PLLC (NPI 1821409111, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** July 21, 2022
- **Other identifiers:** Medicaid 2028806 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1740523455) · Data from the CMS NPPES public registry.