DR. STEPHANIE MARIE TSAI MD
NPI 1487917944
Obstetrics & Gynecology in Saint Louis, MO
About Dr. Stephanie Marie Tsai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHANIE MARIE TSAI MD (NPI 1487917944) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2016009666) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2012).
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
Dr. Stephanie Marie Tsai 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 Stephanie Tsai reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 105 clinicians in this Medicare group
Saint Louis, MO 63117
- Reassigned Medicare billing, Missouri enrollment
- 741 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 697 clinicians in this Medicare group
Kansas City, MO 64108
- Reassigned Medicare billing, Missouri enrollment
- 518 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Stephanie Tsai's NPI number?
The NPI number for Stephanie Tsai is 1487917944. It was assigned to this individual provider in the NPPES registry on June 20, 2012.
Where is Stephanie Tsai located?
Stephanie Tsai practices at 1 Barnes Jewish Hospital Plz Div Obgyn Mfm And Ultrasound, Saint Louis, MO 63110. The listed phone number is (314) 454-8181.
What is Stephanie Tsai's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Stephanie Tsai enrolled in Medicare?
Yes. Stephanie Tsai 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 Stephanie Tsai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Tsai reassigns Medicare benefits to 4 organizations: Washington University (Saint Louis, MO), Ssm Health Care St. Louis (Saint Louis, MO), Ssm Medical Group, Inc. (Fenton, MO) and University Health Physicians (Kansas City, MO). 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 Stephanie Tsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Tsai accept?
Health plans from Blue Cross and Blue Shield of Kansas City and Oscar Insurance Company list Stephanie Tsai 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 Stephanie Tsai affiliated with any hospitals?
According to CMS data, Stephanie Tsai is affiliated with Barnes Jewish Hospital.
When was this NPI record last updated?
The NPPES record for Stephanie Tsai was last updated on April 17, 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.
# Dr. Stephanie Marie Tsai, MD · NPI 1487917944
Obstetrics & Gynecology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 20, 2012.
## Identity
- **NPI:** 1487917944 (Entity type: Individual)
- **Enumerated:** June 20, 2012
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 2016009666 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BARNES JEWISH HOSPITAL PLZ, DIV OBGYN MFM AND ULTRASOUND, Saint Louis, MO 63110-1003
- **Phone:** (314) 454-8181 · **Fax:** (314) 747-1429
## 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): Washington University (NPI 1760422265, Saint Louis, MO); Ssm Health Care St. Louis (NPI 1366400855, Saint Louis, MO); Ssm Medical Group, Inc. (NPI 1700966207, Fenton, MO); University Health Physicians (NPI 1669456257, Kansas City, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 200033832 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1487917944) · Data from the CMS NPPES public registry.