DR. WILLIAM A PENNANT M.D.
NPI 1811345184
General Practice in Milwaukee, WI
About Dr. William A Pennant M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM A PENNANT M.D. (NPI 1811345184) is an individual general practice provider in Milwaukee, Wisconsin, licensed in Wisconsin (74216-20) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS and maintains a secondary practice location in Allentown.
NPPES Registry Identity
Specialties & Licenses 3
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 (PECOS)
Dr. William A Pennant M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Pennant reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dallas, TX 75244
- Reassigned Medicare billing, Wisconsin enrollment
- 303 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.
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 William Pennant's NPI number?
The NPI number for William Pennant is 1811345184. It was assigned to this individual provider in the NPPES registry on May 27, 2016.
Where is William Pennant located?
William Pennant practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-8710.
What is William Pennant's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is William Pennant enrolled in Medicare?
Yes. William Pennant is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Pennant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Pennant reassigns Medicare benefits to Signify Health Medical Associates, PLLC (Dallas, TX). 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 William Pennant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Pennant accept?
Health plans from CareSource and CareSource (Common Ground Healthcare) list William Pennant 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 William Pennant was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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. William A Pennant, M.D. · NPI 1811345184
General Practice physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since May 27, 2016.
## Identity
- **NPI:** 1811345184 (Entity type: Individual)
- **Enumerated:** May 27, 2016
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** 74216-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, Milwaukee, WI 53226-3522
- **Phone:** (414) 805-8710
## 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:** Signify Health Medical Associates, PLLC (NPI 1750845863, Dallas, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1811345184) · Data from the CMS NPPES public registry.