1. Home
  2. Directory
  3. Missouri
  4. Saint Peters
  5. Family Medicine
  6. NPI Profile

ANNA ANDREEVNA KLASS MD
NPI 1043898505
Family Medicine in Saint Peters, MO

Active since March 29, 2021PECOS EnrolledAccepts Medicare Assignment
107 PIPER HILL DR STE 100, SAINT PETERS, MO 63376(636) 939-0648 Get Directions Write a Review

NPPES record last updated: August 16, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 16, 2024, Aug 8, 2024, Mar 29, 2021 (3 updates tracked since 2021).

About Anna Andreevna Klass Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANNA ANDREEVNA KLASS MD (NPI 1043898505) is an individual family medicine provider in Saint Peters, Missouri, licensed in Missouri (2024026908) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains a secondary practice location in Batesville.

NPPES Registry Identity

NPI1043898505
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameANNA ANDREEVNA KLASSCredential: MD
Location Address107 PIPER HILL DR STE 100Saint Peters, MO 63376-1651
Mailing AddressPo Box 776084Chicago, IL 60677-7309 · (636) 939-0648 · Fax (636) 477-4914
Phone(636) 939-0648
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 29, 2021
Last NPPES UpdateAugust 16, 20243 updates tracked since enumeration
NPPES CertifiedAugust 16, 2024
✔ NPI 1043898505 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MO · 2024026908
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
107 PIPER HILL DR STE 100, Saint Peters, MO 63376
Open in Google Maps ↗

Secondary Practice Location 1

Location 11993 Harrison StBatesville, AR 72501-7309 · Phone (870) 698-9992

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anna Andreevna Klass Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890234355
PECOS Enrollment IDI20240828001689
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63376 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIELLE MARIE ROBINSON PA-C
Physician Assistant
107 PIPER HILL DR STE 100
SAINT PETERS, MO 63376
St. Charles County (636) 939-0648
JEFFREY A ATKINS M.D.
Family Medicine
107 PIPER HILL DR STE 100
SAINT PETERS, MO 63376
St. Charles County (636) 447-4149

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 Anna Klass's NPI number?

The NPI number for Anna Klass is 1043898505. It was assigned to this individual provider in the NPPES registry on March 29, 2021.

Where is Anna Klass located?

Anna Klass practices at 107 Piper Hill Dr Ste 100, Saint Peters, MO 63376. The listed phone number is (636) 939-0648.

What is Anna Klass's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Anna Klass enrolled in Medicare?

Yes. Anna Klass is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Anna Klass accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 3 other insurers list Anna Klass 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.

Is Anna Klass affiliated with any hospitals?

According to CMS data, Anna Klass is affiliated with Mercy Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Anna Klass was last updated on August 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.