Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Tatyana Petrosova, MD PC

Organization Nephrology Physician · NPI 1700026515

Tatyana Petrosova, MD PC is a Nephrology Physician in Saint Louis, Missouri. Works from 4 locations. Registered with an NPI since 2009.

In the registry since
2009
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

10420 Old Olive Street Rd Ste 305
Saint Louis, MO 63141-5914
Phone: (314) 797-7074
Fax: (314) 227-5505
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 330 1st Capitol Dr Ste 240, Saint Charles, MO 63301-2846 — (636) 443-2440
  • 10 Hospital Dr Fl 3, Saint Peters, MO 63376-1659 — (636) 317-4000
  • 1021 Wentzville Pkwy, Wentzville, MO 63385-3437 — (636) 332-3390

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X
Physician Assistant Taxonomy 363A00000X

Record details

NPI number1700026515
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Tatyana Petrosova — Owner · (314) 221-5363
NPI enumeratedMarch 6, 2009
Last updated in NPPESJuly 31, 2026
Certification dateJuly 31, 2026
Mailing addressPo Box 653, Chesterfield, MO 63006-0653

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