JAREN THOMAS M.D.
NPI 1164645164
Internal Medicine in Milwaukee, WI
About Jaren Thomas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAREN THOMAS M.D. (NPI 1164645164) is an individual internal medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (53168) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., and is a graduate of Medical College Of Wisconsin (2007).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Jaren Thomas M.d. 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
13Medicare enrollment records show Jaren Thomas reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portage, WI 53901
- Reassigned Medicare billing, Wisconsin enrollment
- 359 clinicians in this Medicare group
Adams, WI 53910
- Reassigned Medicare billing, Wisconsin enrollment
- 397 clinicians in this Medicare group
Iola, WI 54945
- Reassigned Medicare billing, Wisconsin enrollment
- 935 clinicians in this Medicare group
Plover, WI 54467
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Stevens Point, WI 54482
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Aspirus Medical Group, Inc.
- 415 clinicians in this Medicare group
Stevens Point, WI 54482
- Reassigned Medicare billing, Wisconsin enrollment
- 633 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 619 clinicians in this Medicare group
Birnamwood, WI 54414
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1639187412 (Wisconsin)
- 321 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Athens, WI 54411
- Reassigned Medicare billing, Wisconsin enrollment
- 376 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 6
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aspirus Stevens Point Hospital & Clinics, Inc.
Acute Care Hospitals · Stevens Point, WIAspirus Rhinelander Hospital
Acute Care Hospitals · Rhinelander, WIAspirus Wausau Hospital
Acute Care Hospitals · Wausau, WIAspirus Medford Hospital & Clinics, Inc
Critical Access Hospitals · Medford, WILanglade Hospital
Critical Access Hospitals · Antigo, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Jaren Thomas's NPI number?
The NPI number for Jaren Thomas is 1164645164. It was assigned to this individual provider in the NPPES registry on April 10, 2007.
Where is Jaren Thomas located?
Jaren Thomas practices at 9200 W Wisconsin Ave Dept Of Internal Medicine, Milwaukee, WI 53226. The listed phone number is (414) 805-6850.
What is Jaren Thomas's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jaren Thomas enrolled in Medicare?
Yes. Jaren Thomas 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 Jaren Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jaren Thomas reassigns Medicare benefits to 13 organizations: Divine Savior Healthcare, Inc. (Portage, WI), Aspirus Riverview Hospital & Clinics, Inc. (Adams, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Iola, WI), Mchs Hospitals, Inc. (Plover, WI), Aspirus Wausau Hospital, Inc. (Stevens Point, WI) and 8 more organizations, listed in the Medicare section above. 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 Jaren Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jaren Thomas accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Security Health Plan list Jaren Thomas 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 Jaren Thomas affiliated with any hospitals?
According to CMS data, Jaren Thomas is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., Aspirus Rhinelander Hospital, Aspirus Wausau Hospital, Aspirus Medford Hospital & Clinics, Inc and Langlade Hospital.
When was this NPI record last updated?
The NPPES record for Jaren Thomas was last updated on June 25, 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.
# Jaren Thomas, M.D. · NPI 1164645164
Internal Medicine physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since April 10, 2007.
## Identity
- **NPI:** 1164645164 (Entity type: Individual)
- **Enumerated:** April 10, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 53168 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE, Milwaukee, WI 53226-3522
- **Phone:** (414) 805-6850 · **Fax:** (414) 805-6851
## 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:** 13 organizations under Medicare reassignment (form CMS-855R): Divine Savior Healthcare, Inc. (NPI 1124083894, Portage, WI); Aspirus Riverview Hospital & Clinics, Inc. (NPI 1114411287, Adams, WI); Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (NPI 1578232849, Iola, WI); Mchs Hospitals, Inc. (NPI 1386249894, Plover, WI); Aspirus Wausau Hospital, Inc. (NPI 1275886749, Stevens Point, WI); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2007
## Record status
- **NPPES last updated:** June 25, 2024
- **Other identifiers:** Medicaid 1164645164 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1164645164) · Data from the CMS NPPES public registry.