Jeffrey A. Katt, MD
Internal Medicine Physician · Milwaukee, WI
Jeffrey A. Katt, MD is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1407887821, issued on Jul 5, 2006. Check the license (Wisconsin 30426, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey A. Katt
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 30426 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3003 W Good Hope Road, Milwaukee, WI 53209
- Phone
- (414) 352-3100
- Enumerated
- Jul 5, 2006
- Record last updated
- Jan 3, 2025
- Fax
- (414) 247-4597
- Medicaid ID
- 31662400 WI
- Medicare enrollment
- Enrolled (PECOS I20060120000423); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1988
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 3003 W Good Hope Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Myron Bodnar, MDInternal Medicine Physician1568493054
- John Bryant, MDInternal Medicine Physician1275565418
- Kathleen Burchby, MDPediatrics Physician1780615104
- Mark Chelmowski, MDInternal Medicine Physician1659306041
- Renee Coulter, MDObstetrics & Gynecology Physician1134151376
- Huong Dangvu, MDInternal Medicine Physician1861423261
Verify Jeffrey A. Katt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 30426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,162 Medicare Part D claims for 762 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 158 claims were for opioids.
Most prescribed
- Atorvastatin Calcium799 claims
- Amlodipine Besylate563 claims
- Rosuvastatin Calcium492 claims
- Metformin Hcl Er336 claims
- Omeprazole322 claims
- Lisinopril318 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Aurora Advanced Healthcare, Inc.Milwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey A. Katt among 2,078 internal medicine physician records in Wisconsin
Jeffrey A. Katt, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1988 · median 2002 among the 1,098 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
382 internal medicine physician records list a practice address in Milwaukee
They are 382 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Milwaukee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jeffrey Bahr, M.D.Milwaukee, WI 532091770511453
- Myron Bodnar, MDMilwaukee, WI 532091568493054
- Kristine Bruno, MDMilwaukee, WI 532091689606816
- John Bryant, MDMilwaukee, WI 532091275565418
- Huong Dangvu, MDMilwaukee, WI 532091861423261
- Larry Dean, MDMilwaukee, WI 532091538191770
- Paul Halstrom, MDMenomonee Falls, WI 532091740212984
- Daniel Keller, M.D.Milwaukee, WI 532091396777207
Common questions
What is Jeffrey A. Katt, MD's NPI number?
Jeffrey A. Katt, MD's National Provider Identifier (NPI) is 1407887821, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey A. Katt, MD located?
The NPPES record lists a practice address at 3003 W Good Hope Road, Milwaukee, WI, 53209. Phone: (414) 352-3100. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey A. Katt, MD's license?
NPPES lists Wisconsin license number 30426, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jeffrey A. Katt, MD prescribe under Medicare Part D?
In 2024, Jeffrey A. Katt, MD had 10,162 Medicare Part D claims for 762 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.