DR. LAUREN MICHELLE LUDWIG MD
NPI 1073775052
Hospitalist in Saint Louis, MO
About Dr. Lauren Michelle Ludwig Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAUREN MICHELLE LUDWIG MD (NPI 1073775052) is an individual hospitalist provider in Saint Louis, Missouri, licensed in Missouri (2010033120) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Missouri Baptist Medical Center, and is a graduate of University Of Missouri, Kansas City, School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Lauren Michelle Ludwig 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.
Medicare Billing Reassignments
2Medicare enrollment records show Lauren Ludwig reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 611 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 10 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Missouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOPhysician 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
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 Lauren Ludwig's NPI number?
The NPI number for Lauren Ludwig is 1073775052. It was assigned to this individual provider in the NPPES registry on June 30, 2008.
Where is Lauren Ludwig located?
Lauren Ludwig practices at 3015 N Ballas Rd, Saint Louis, MO 63131. The listed phone number is (314) 996-5772.
What is Lauren Ludwig's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Lauren Ludwig enrolled in Medicare?
Yes. Lauren Ludwig 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.
Which organizations bill Medicare for Lauren Ludwig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Ludwig reassigns Medicare benefits to 2 organizations: Physician Groups Lc (Saint Louis, MO) and Washington University Clinical Associates - Maryland Medical (Saint Louis, MO). Each 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 Lauren Ludwig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lauren Ludwig accept?
Health plans from Anthem Blue Cross and Blue Shield list Lauren Ludwig 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 Lauren Ludwig affiliated with any hospitals?
According to CMS data, Lauren Ludwig is affiliated with Missouri Baptist Medical Center.
When was this NPI record last updated?
The NPPES record for Lauren Ludwig was last updated on March 29, 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.
# Dr. Lauren Michelle Ludwig, MD · NPI 1073775052
Hospitalist physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 30, 2008.
## Identity
- **NPI:** 1073775052 (Entity type: Individual)
- **Enumerated:** June 30, 2008
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 2010033120 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 3015 N BALLAS RD, Saint Louis, MO 63131-2329
- **Phone:** (314) 996-5772
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Physician Groups Lc (NPI 1285664268, Saint Louis, MO); Washington University Clinical Associates - Maryland Medical (NPI 1376869255, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri, Kansas City, School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** March 29, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1073775052) · Data from the CMS NPPES public registry.