PAUL S MUELLER M.D.
NPI 1427021955
Internal Medicine in Austin, TX
About Paul S Mueller M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAUL S MUELLER M.D. (NPI 1427021955) is an individual internal medicine provider in Austin, Texas, licensed in Texas (V1561) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Johns Hopkins University School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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 (PECOS)
Paul S Mueller M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Paul Mueller reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78712
- Reassigned Medicare billing, Texas enrollment
- 294 clinicians in this Medicare group
Austin, TX 78712
- Reassigned Medicare billing, Texas enrollment
- 208 clinicians in this Medicare group
Austin, TX 78758
- Reassigned Medicare billing, Texas enrollment
- 240 clinicians in this Medicare group
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,003 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78712 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
AUSTIN, TX 78712
AUSTIN, TX 78712
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 Paul Mueller's NPI number?
The NPI number for Paul Mueller is 1427021955. It was assigned to this individual provider in the NPPES registry on February 7, 2006.
Where is Paul Mueller located?
Paul Mueller practices at 1601 Trinity St, Austin, TX 78712. The listed phone number is (833) 882-2737.
What is Paul Mueller's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Paul Mueller enrolled in Medicare?
Yes. Paul Mueller is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Paul Mueller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Mueller reassigns Medicare benefits to 5 organizations: The University Of Texas At Austin (Austin, TX), University Of Texas At Austin Dell Medical School (Austin, TX), Central Texas Community Health Centers (Austin, TX), Mayo Clinic (Rochester, MN) and Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (La Crosse, WI). 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 Paul Mueller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Paul Mueller accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 6 other insurers list Paul Mueller 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 Paul Mueller was last updated on July 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Paul S Mueller, M.D. · NPI 1427021955
Internal Medicine physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since February 7, 2006.
## Identity
- **NPI:** 1427021955 (Entity type: Individual)
- **Enumerated:** February 7, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** V1561 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1601 TRINITY ST, Austin, TX 78712-1765
- **Phone:** (833) 882-2737
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): The University Of Texas At Austin (NPI 1073032546, Austin, TX); University Of Texas At Austin Dell Medical School (NPI 1073066239, Austin, TX); Central Texas Community Health Centers (NPI 1427882091, Austin, TX); Mayo Clinic (NPI 1114343860, Rochester, MN); Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (NPI 1629056049, La Crosse, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** July 26, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1427021955) · Data from the CMS NPPES public registry.