Barbara a Hummel, MD Sc
NPI 1669693461 · Family Medicine Physician · Greenfield, WI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara a Hummel, MD Sc is a Family Medicine Physician organization in Greenfield, WI (NPI 1669693461).
Provider details
- NPI number
- 1669693461
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Barbara Hummel, Owner - Ceo(414) 604-0520
- License
- 30414 (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
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is Barbara a Hummel, MD Sc's NPI number?
- Barbara a Hummel, MD Sc's National Provider Identifier (NPI) is 1669693461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Barbara a Hummel, MD Sc?
- Barbara a Hummel, MD Sc is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara a Hummel, MD Sc located?
- Barbara a Hummel, MD Sc's practice location on file with NPPES is 4811 S 76th St Ste 201, Greenfield, WI 53220-4364.
- What is Barbara a Hummel, MD Sc's phone number?
- The practice phone number listed in the NPPES registry for Barbara a Hummel, MD Sc is (414) 604-0520.
- Does Barbara a Hummel, MD Sc accept Medicare?
- Barbara a Hummel, MD Sc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Barbara a Hummel, MD Sc?
- The authorized official listed on Barbara a Hummel, MD Sc's NPPES record is Barbara Hummel, Owner - Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Barbara a Hummel, MD Sc's NPI active?
- Yes — Barbara a Hummel, MD Sc's NPI (1669693461) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.