YEN CHAU M.D.
NPI 1235525601
Anesthesiology in Birmingham, AL
About Yen Chau M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YEN CHAU M.D. (NPI 1235525601) is an individual anesthesiology provider in Birmingham, Alabama, licensed in Alabama (35314) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Sacred Heart Hospital, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
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
Yen Chau 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
3Medicare enrollment records show Yen Chau reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mobile, AL 36617
- Reassigned Medicare billing, Alabama enrollment
- 267 clinicians in this Medicare group
Pensacola, FL 32502
- Reassigned Medicare billing, Florida enrollment
- 270 clinicians in this Medicare group
Naples, FL 34119
- Reassigned Medicare billing, Florida enrollment
- 767 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sacred Heart Hospital
Acute Care Hospitals · Pensacola, FLOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BIRMINGHAM, AL 35249
BIRMINGHAM, AL 35249
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 Yen Chau's NPI number?
The NPI number for Yen Chau is 1235525601. It was assigned to this individual provider in the NPPES registry on April 12, 2015.
Where is Yen Chau located?
Yen Chau practices at 625 19th St S, Birmingham, AL 35249. The listed phone number is (205) 934-6525.
What is Yen Chau's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Yen Chau enrolled in Medicare?
Yes. Yen Chau 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 Yen Chau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yen Chau reassigns Medicare benefits to 3 organizations: Usa Health Anesthesia Billing Services, LLC (Mobile, AL), Ams Anesthetist Services LLC (Pensacola, FL) and Capital Anesthesia Solutions Of Florida II, LLC (Naples, FL). 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 Yen Chau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yen Chau accept?
Health plans from Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Yen Chau 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 Yen Chau affiliated with any hospitals?
According to CMS data, Yen Chau is affiliated with Sacred Heart Hospital.
When was this NPI record last updated?
The NPPES record for Yen Chau was last updated on December 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Yen Chau, M.D. · NPI 1235525601
Anesthesiology physician in Birmingham, Alabama. Individual provider, active in the CMS NPPES registry since April 12, 2015.
## Identity
- **NPI:** 1235525601 (Entity type: Individual)
- **Enumerated:** April 12, 2015
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 35314 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 625 19TH ST S, Birmingham, AL 35249-1900
- **Phone:** (205) 934-6525
## 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): Usa Health Anesthesia Billing Services, LLC (NPI 1629635818, Mobile, AL); Ams Anesthetist Services LLC (NPI 1770834426, Pensacola, FL); Capital Anesthesia Solutions Of Florida II, LLC (NPI 1891318481, Naples, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** December 18, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1235525601) · Data from the CMS NPPES public registry.