Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TATYANA PETROSOVA, MD PC
NPI 1700026515
Internal Medicine - Nephrology in Saint Louis, MO

Q: 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.

Q: 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.

Active since March 06, 2009

10420 OLD OLIVE STREET RD STE 305, SAINT LOUIS, MO 63141(314) 797-7074(314) 227-5505 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 31, 2026, Jun 9, 2024, Mar 29, 2021 and 1 more (4 updates tracked since 2019).

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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

NPI1700026515

Entity TypeOrganization

Primary Taxonomy207RN0300X

Legal Business NameTATYANA PETROSOVA, MD PC

Location Address10420 OLD OLIVE STREET RD STE 305Saint Louis, MO 63141-5914

Mailing AddressPo Box 653Chesterfield, MO 63006-0653 · (314) 797-7074 · Fax (314) 227-5505

Phone(314) 797-7074

Fax(314) 227-5505

Organization SubpartNo

Authorized OfficialTatyana PetrosovaOwner · (314) 221-5363

Enumeration DateMarch 6, 2009

Last NPPES UpdateJuly 31, 20264 updates tracked since enumeration

NPPES CertifiedJuly 31, 2026

✔ NPI 1700026515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Also ListedPhysician AssistantTaxonomy 363A00000X

10420 OLD OLIVE STREET RD STE 305, Saint Louis, MO 63141

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Secondary Practice Locations 3

Location 110 Hospital Dr Fl 3Saint Peters, MO 63376-1659 · Phone (636) 317-4000 · Fax (314) 227-5505

Location 2330 1st Capitol Dr Ste 240Saint Charles, MO 63301-2846 · Phone (636) 443-2440 · Fax (314) 227-5505

Location 31021 Wentzville PkwyWentzville, MO 63385-3437 · Phone (636) 332-3390 · Fax (314) 227-5505

Other Identifiers 1

Medicaid504381203MO

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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.

TATYANA PETROSOVA MD

Internal Medicine (Nephrology)

10420 OLD OLIVE STREET RD STE 305
SAINT LOUIS, MO 63141

St. Louis County (314) 797-7074

ALEXANDER BEYZER M.D.

Pain Medicine (Pain Medicine)

10420 OLD OLIVE STREET RD STE 305
SAINT LOUIS, MO 63141

St. Louis County (314) 849-1003

OLYMPIC REHAB WELLNESS AND PAIN CENTER PC

Pain Medicine (Pain Medicine)

10420 OLD OLIVE STREET RD STE 305
SAINT LOUIS, MO 63141

St. Louis County (314) 849-1003

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.

What insurance does Tatyana Petrosova, MD PC accept?

Health plans from Anthem Blue Cross and Blue Shield 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 9 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.