KAREN ALTEMUELLER LCSW
NPI 1235671678
Social Worker - Clinical in Washington, MO
About Karen Altemueller Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN ALTEMUELLER LCSW (NPI 1235671678) is an individual clinical provider in Washington, Missouri, licensed in Missouri (003579) and active in the NPI registry since November 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Wentzville, and is a graduate of University Of Missouri, Columbia School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Karen Altemueller Lcsw 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 Karen Altemueller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 23 clinicians in this Medicare group
Wentzville, MO 63385
- Reassigned Medicare billing, Missouri enrollment
- 741 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 63090 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, MO 63090
WASHINGTON, MO 63090
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 Karen Altemueller's NPI number?
The NPI number for Karen Altemueller is 1235671678. It was assigned to this individual provider in the NPPES registry on November 16, 2016.
Where is Karen Altemueller located?
Karen Altemueller practices at 851 E 5th St Ste 200, Washington, MO 63090. The listed phone number is (636) 239-8585.
What is Karen Altemueller's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Karen Altemueller enrolled in Medicare?
Yes. Karen Altemueller 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 Karen Altemueller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Altemueller reassigns Medicare benefits to 2 organizations: Mercy Hospitals East Communities (Washington, MO) and Ssm Health Care St. Louis (Wentzville, 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 Karen Altemueller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Altemueller accept?
Health plans from Anthem Blue Cross and Blue Shield, Medica, Oscar Insurance Company and UnitedHealthcare list Karen Altemueller 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.
When was this NPI record last updated?
The NPPES record for Karen Altemueller was last updated on March 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Karen Altemueller, LCSW · NPI 1235671678
Clinical provider in Washington, Missouri. Individual provider, active in the CMS NPPES registry since November 16, 2016.
## Identity
- **NPI:** 1235671678 (Entity type: Individual)
- **Enumerated:** November 16, 2016
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 003579 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 851 E 5TH ST STE 200, Washington, MO 63090-3129
- **Phone:** (636) 239-8585
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy Hospitals East Communities (NPI 1104912997, Washington, MO); Ssm Health Care St. Louis (NPI 1588618755, Wentzville, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri, Columbia School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** March 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1235671678) · Data from the CMS NPPES public registry.