TATYANA PETROSOVA, MD PC
NPI 1700026515
Internal Medicine - Nephrology in Saint Louis, MO
About Tatyana Petrosova, Md Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TATYANA PETROSOVA, MD PC (NPI 1700026515) is a healthcare organization registered as a nephrology in Saint Louis, Missouri and active in the NPI registry since March 2009. The organization maintains 3 additional practice locations and lists Tatyana Petrosova, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tatyana Petrosova, Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Tatyana Petrosova, MD PC, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Tatyana Petrosova, MD PC's NPI number?
The NPI number for Tatyana Petrosova, MD PC is 1700026515. It was assigned to this organization in the NPPES registry on March 6, 2009.
Where is Tatyana Petrosova, MD PC located?
Tatyana Petrosova, MD PC is located at 10420 Old Olive Street Rd Ste 305, Saint Louis, MO 63141. The listed phone number is (314) 797-7074.
What is Tatyana Petrosova, MD PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Tatyana Petrosova, MD PC enrolled in Medicare?
Yes. Tatyana Petrosova, MD PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Tatyana Petrosova, MD PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Tatyana Petrosova, MD PC, in Nephrology and Nurse Practitioner. A 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 the clinician's services. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Tatyana Petrosova, MD PC accept?
Health plans from Anthem Blue Cross and Blue Shield and Medica list Tatyana Petrosova, MD PC 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 Tatyana Petrosova, MD PC was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Tatyana Petrosova, Md Pc · NPI 1700026515
Nephrology organization in Saint Louis, Missouri. Organization record, active in the CMS NPPES registry since March 6, 2009.
## Identity
- **NPI:** 1700026515 (Entity type: Organization)
- **Enumerated:** March 6, 2009
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Tatyana Petrosova, OWNER
## Practice location
- **Address:** 10420 OLD OLIVE STREET RD STE 305, Saint Louis, MO 63141-5914
- **Phone:** (314) 797-7074 · **Fax:** (314) 227-5505
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nephrology (1), Nurse Practitioner (1); 1 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 31, 2026
- **Other identifiers:** Medicaid 504381203 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1700026515) · Data from the CMS NPPES public registry.