William B. Potos M.D. Commonwealth Medical Group
NPI 1912109893 · Family Medicine Physician · Milwaukee, WI
William B. Potos M.D. Commonwealth Medical Group is a Family Medicine Physician organization in Milwaukee, WI (NPI 1912109893).
Provider details
- NPI number
- 1912109893
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Mutschelknaus, Ceo(414) 777-5100
- License
- 14134 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Commonwealth Medical Group
Registry dates
- Enumerated
- 2007-06-04
- Last updated
- 2007-09-19
Frequently asked questions
- What is William B. Potos M.D. Commonwealth Medical Group's NPI number?
- William B. Potos M.D. Commonwealth Medical Group's National Provider Identifier (NPI) is 1912109893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William B. Potos M.D. Commonwealth Medical Group?
- William B. Potos M.D. Commonwealth Medical Group is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William B. Potos M.D. Commonwealth Medical Group located?
- William B. Potos M.D. Commonwealth Medical Group's practice location on file with NPPES is 2500 W Layton Ave, Milwaukee, WI 53221-5420.
- What is William B. Potos M.D. Commonwealth Medical Group's phone number?
- The practice phone number listed in the NPPES registry for William B. Potos M.D. Commonwealth Medical Group is (414) 281-9651.
- Who is the authorized official for William B. Potos M.D. Commonwealth Medical Group?
- The authorized official listed on William B. Potos M.D. Commonwealth Medical Group's NPPES record is John Mutschelknaus, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William B. Potos M.D. Commonwealth Medical Group's NPI active?
- Yes — William B. Potos M.D. Commonwealth Medical Group's NPI (1912109893) is active in the NPPES registry as of the last update on 2007-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.