Jonathan Barnett, MD, MHA
NPI 1942655667 · Internal Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Barnett, MD, MHA is a Internal Medicine Physician provider in Milwaukee, WI (NPI 1942655667).
Provider details
- NPI number
- 1942655667
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MHA
- Sex
- Male
- Sole proprietor
- No
- License
- 036158446 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
5 documented practice locations
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
Additional practice locations (4)
- 836 W Wellington AveChicago, IL 60657Phone: (773) 296-5424
- 836 W Wellington AveChicago, IL 60657Phone: (773) 296-5424
- 2650 Ridge Ave.Im Hospitalists Ste 4206Evanston, IL 60201Phone: (847) 570-1010Fax: (847) 733-5108
- 1775 Ballard RdPark Ridge, IL 60068-1005Phone: (847) 318-9340
Registry dates
- Enumerated
- 2016-05-02
- Last updated
- 2025-07-09
- Certified
- 2025-07-09
Frequently asked questions
- What is Jonathan Barnett's NPI number?
- Jonathan Barnett's National Provider Identifier (NPI) is 1942655667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Barnett's specialty?
- Jonathan Barnett is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Barnett located?
- Jonathan Barnett's practice location on file with NPPES is 2901 W Kinnickinnic River Pkwy Ste 315, Milwaukee, WI 53215-3660.
- What is Jonathan Barnett's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Barnett is (414) 385-2592.
- Does Jonathan Barnett accept Medicare?
- Jonathan Barnett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Barnett's NPI active?
- Yes — Jonathan Barnett's NPI (1942655667) is active in the NPPES registry as of the last update on 2025-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.