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

Anna Andreevna Klass, MD

Individual provider Family Medicine Physician · NPI 1043898505

Anna Andreevna Klass, MD is a Family Practice in Saint Peters, Missouri. Qualified in 2021, 5 years ago. Practices with Mercy Clinic East Communities, a 573-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
5
Licensed in
MO
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

107 Piper Hill Dr Ste 100
Saint Peters, MO 63376-1651
Phone: (636) 939-0648
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1993 Harrison St, Batesville, AR 72501-7309 — (870) 698-9992

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 2024026908 (MO)

Record details

NPI number1043898505
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 29, 2021
Last updated in NPPESAugust 16, 2024
Certification dateAugust 16, 2024
Mailing addressPo Box 776084, Chicago, IL 60677-7309

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Mercy Clinic East Communities — 573 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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