DR. ALYSSA KATARINA KOSTURAKIS MD
NPI 1629539283
Obstetrics & Gynecology - Reproductive Endocrinology in Saint Louis, MO
About Dr. Alyssa Katarina Kosturakis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALYSSA KATARINA KOSTURAKIS MD (NPI 1629539283) is an individual reproductive endocrinology provider in Saint Louis, Missouri, licensed in Missouri (2026026741) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Alyssa Katarina Kosturakis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alyssa Kosturakis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 105 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 63108 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
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 Alyssa Kosturakis's NPI number?
The NPI number for Alyssa Kosturakis is 1629539283. It was assigned to this individual provider in the NPPES registry on March 27, 2019.
Where is Alyssa Kosturakis located?
Alyssa Kosturakis practices at 4444 Forest Park Ave Ste 3100, Saint Louis, MO 63108. The listed phone number is (314) 747-8274.
What is Alyssa Kosturakis's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.
Is Alyssa Kosturakis enrolled in Medicare?
Yes. Alyssa Kosturakis is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alyssa Kosturakis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Kosturakis reassigns Medicare benefits to Washington University (Saint Louis, MO). The 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 Alyssa Kosturakis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alyssa Kosturakis accept?
Health plans from UnitedHealthcare list Alyssa Kosturakis 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 Alyssa Kosturakis was last updated on October 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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. Alyssa Katarina Kosturakis, MD · NPI 1629539283
Reproductive Endocrinology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since March 27, 2019.
## Identity
- **NPI:** 1629539283 (Entity type: Individual)
- **Enumerated:** March 27, 2019
- **Primary specialty:** Obstetrics & Gynecology - Reproductive Endocrinology · taxonomy 207VE0102X
- **State license:** 2026026741 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4444 FOREST PARK AVE STE 3100, Saint Louis, MO 63108-2212
- **Phone:** (314) 747-8274
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Washington University (NPI 1760422265, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1629539283) · Data from the CMS NPPES public registry.