DR. NICOLE A XYNOS M.D.
NPI 1598966392
Obstetrics & Gynecology in Saint Louis, MO
About Dr. Nicole A Xynos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICOLE A XYNOS M.D. (NPI 1598966392) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2008010947) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital South, and is a graduate of Creighton University School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses
Other Names 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. Nicole A Xynos 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 Nicole Xynos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 186 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 64 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.
Mercy Hospital South
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 63128
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 Nicole Xynos's NPI number?
The NPI number for Nicole Xynos is 1598966392. It was assigned to this individual provider in the NPPES registry on May 30, 2007. The provider is also known as Dr. Nicole A Dubas M.D..
Where is Nicole Xynos located?
Nicole Xynos practices at 10010 Kennerly Rd, Saint Louis, MO 63128. The listed phone number is (314) 525-6072.
What is Nicole Xynos's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Nicole Xynos enrolled in Medicare?
Yes. Nicole Xynos 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 Nicole Xynos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicole Xynos reassigns Medicare benefits to 2 organizations: Mercy Hospital South (Saint Louis, MO) and Mercy Womens Services LLC (Saint Louis, 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 Nicole Xynos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicole Xynos accept?
Health plans from Anthem Blue Cross and Blue Shield list Nicole Xynos 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 Nicole Xynos affiliated with any hospitals?
According to CMS data, Nicole Xynos is affiliated with Mercy Hospital South.
When was this NPI record last updated?
The NPPES record for Nicole Xynos was last updated on July 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Nicole A Xynos, M.D. · NPI 1598966392
Obstetrics & Gynecology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 30, 2007.
## Identity
- **NPI:** 1598966392 (Entity type: Individual)
- **Enumerated:** May 30, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 2008010947 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 10010 KENNERLY RD, Saint Louis, MO 63128-2106
- **Phone:** (314) 525-6072
## 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): Mercy Hospital South (NPI 1568481984, Saint Louis, MO); Mercy Womens Services LLC (NPI 1629327788, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Creighton University School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** July 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1598966392) · Data from the CMS NPPES public registry.