James G. Slawson, MD
Family Medicine Physician · Milwaukee, WI
James G. Slawson, MD is a family medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1942252713, issued on May 17, 2006. Check the license (Wisconsin 30532, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James G. Slawson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 30532 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2400 W Villard Ave, Milwaukee, WI 53209
- Phone
- (414) 527-8191
- Enumerated
- May 17, 2006
- Record last updated
- Feb 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (414) 527-5069
- Medicaid ID
- 1942252713 WI
- Entity
- Type 1 · individual
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Verify James G. Slawson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 30532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
James G. Slawson among 3,765 family medicine physician records in Wisconsin
James G. Slawson, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
299 family medicine physician records list a practice address in Milwaukee
They are 299 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Milwaukee → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lisa Casey, DOGlendale, WI 532091215909791
- Beth Damitz, MDMilwaukee, WI 532091700837879
- Michael Fetherston, MDBrown Deer, WI 532091639130040
- Laura Gottschlich, DOMilwaukee, WI 532091033160882
- Joseph Gravel, MDMilwaukee, WI 532091205824786
- Paul Hartlaub, MDBrown Deer, WI 532091801844253
- Robin Helm, MDMilwaukee, WI 532091073564811
- Michael Johnstone, MDBrown Deer, WI 532091982665394
Common questions
What is James G. Slawson, MD's NPI number?
James G. Slawson, MD's National Provider Identifier (NPI) is 1942252713, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James G. Slawson, MD located?
The NPPES record lists a practice address at 2400 W Villard Ave, Milwaukee, WI, 53209. Phone: (414) 527-8191. Providers update this record themselves, so call before visiting.
How can I verify James G. Slawson, MD's license?
NPPES lists Wisconsin license number 30532, 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.
What is James G. Slawson, MD's MIPS final score?
The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.