William Petersen, PA
NPI 1073580569 · Medical Physician Assistant · Madison, WI
William Petersen, PA is a Medical Physician Assistant provider in Madison, WI (NPI 1073580569).
Provider details
- NPI number
- 1073580569
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 294 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Registry dates
- Enumerated
- 2006-03-02
- Last updated
- 2021-05-21
- Certified
- 2021-05-21
Frequently asked questions
- What is William Petersen's NPI number?
- William Petersen's National Provider Identifier (NPI) is 1073580569, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Petersen's specialty?
- William Petersen is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Petersen located?
- William Petersen's practice location on file with NPPES is 2409 Center Ave, Madison, WI 53704-5628.
- What is William Petersen's phone number?
- The practice phone number listed in the NPPES registry for William Petersen is (000) 000-0000.
- Is William Petersen's NPI active?
- Yes — William Petersen's NPI (1073580569) is active in the NPPES registry as of the last update on 2021-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.