ANDREA M HOLTHAUS MD
NPI 1528031473
Internal Medicine in Saint Louis, MO
About Andrea M Holthaus Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREA M HOLTHAUS MD (NPI 1528031473) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2004011870) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in St Peters.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Andrea M Holthaus Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Andrea Holthaus reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Ridge, TN 37830
- Reassigned Medicare billing, Missouri enrollment
- 193 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63131 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63131
SAINT LOUIS, MO 63131
SAINT LOUIS, MO 63131
SAINT LOUIS, MO 63131
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 Andrea Holthaus's NPI number?
The NPI number for Andrea Holthaus is 1528031473. It was assigned to this individual provider in the NPPES registry on February 10, 2006.
Where is Andrea Holthaus located?
Andrea Holthaus practices at 3009 N Ballas Rd Ste 383C, Saint Louis, MO 63131. The listed phone number is (314) 996-4545.
What is Andrea Holthaus's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Andrea Holthaus enrolled in Medicare?
Yes. Andrea Holthaus is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Andrea Holthaus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Holthaus reassigns Medicare benefits to Southeastern Physician Services PC (Oak Ridge, TN). The 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 Andrea Holthaus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Andrea Holthaus was last updated on June 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.