Mushir Hassan, MD
NPI 1043287436 · Internal Medicine Physician · Brookfield, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mushir Hassan, MD is a Internal Medicine Physician provider in Brookfield, WI (NPI 1043287436).
Provider details
- NPI number
- 1043287436
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40948 (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
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
- 2006-03-03
- Last updated
- 2012-12-11
Frequently asked questions
- What is Mushir Hassan's NPI number?
- Mushir Hassan's National Provider Identifier (NPI) is 1043287436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mushir Hassan's specialty?
- Mushir Hassan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mushir Hassan located?
- Mushir Hassan's practice location on file with NPPES is 17000 W North Ave, Brookfield, WI 53005-4423.
- What is Mushir Hassan's phone number?
- The practice phone number listed in the NPPES registry for Mushir Hassan is (262) 782-4270.
- Does Mushir Hassan accept Medicare?
- Mushir Hassan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mushir Hassan's NPI active?
- Yes — Mushir Hassan's NPI (1043287436) is active in the NPPES registry as of the last update on 2012-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.