National Provider Identifier Database

JONATHAN A BARNETT, MD, MHA – NPI #1942655667
Internal Medicine

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.


Contact Information

JONATHAN A BARNETT, MD, MHA
2901 W KINNICKINNIC RIVER PKWY STE 315
MILWAUKEE, WI53215-3660
Phone: 414-385-2592
Fax: 414-385-2591
Website:
Specialty Taxonomy Code
* Internal Medicine 207R00000X
Critical Care Medicine 207RC0200X
Hospitalist 208M00000X

* Indicates primary specialty

NPI Profile & details for JONATHAN A BARNETT

NPI Number 1942655667
Credentials MD, MHA
Entity Individual
Enumeration date 05/02/2016
Last updated 07/09/2025 - About 11 months ago
Sole proprietor1 No
Identifiers
  • IL License #: 036158446
  • IL License #: 125074761
  • TX License #: V7131
  • WI License #: 81737-20
  • WI Medicaid: 100252232
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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