NPPES file of Aug 9, 2026

James G. Linn, M.D.

Obstetrics & Gynecology Physician · Milwaukee, WI

James G. Linn, M.D. is an obstetrics & gynecology physician with a practice address in Milwaukee, Wisconsin, and NPI 1710983275, issued on Jun 21, 2005. Check the license (Wisconsin 25841, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710983275
Name
James G. Linn
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
25841 WI
Self-reported in NPPES; status is on the state search
Practice location
2311 N Prospect Ave, Milwaukee, WI 53211
Phone
(414) 319-3000
Enumerated
Jun 21, 2005
Record last updated
Jun 12, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
30603200 WI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2311 N Prospect Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tamara Adducci, MDObstetrics & Gynecology Physician1083939367
  2. Catherine Aleman, MDInternal Medicine Physician1528147428
  3. Cesar Azcueta, MDFamily Medicine Physician1598786535
  4. Pedro Banda, MDUrology Physician1033106877
  5. Michelle Barcelona, FNPFamily Nurse Practitioner1114722303
  6. Kellen Bartel, M.D.Pediatrics Physician1770872475

Verify James G. Linn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 25841
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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56% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

73 Medicare Part D claims for 30 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. James Linn73
  2. Specialty average165

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 75.8 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.

  1. Qualityout of 100 · 30% of the final score78.2
  2. Costout of 100 · 30%57.6
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

James G. Linn among 796 obstetrics & gynecology physician records in Wisconsin

James G. Linn, M.D. is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2012 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Wisconsin

There are 796 obstetrics & gynecology physician records in Wisconsin.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Allen Babbitz, MDMilwaukee, WI 532111326022849
  2. Jonathan Berkoff, MDMilwaukee, WI 532111679623326
  3. Paul Burstein, MDMilwaukee, WI 532111811971328
  4. Irina Dimitrova, M.D.Milwaukee, WI 532111003847237
  5. Lucinda Fenske, M.D.Milwaukee, WI 532111811997612
  6. Jacqueline Irland, MDMilwaukee, WI 532111992760136
  7. Shireen Jayne, DOMilwaukee, WI 532111942382775
  8. Deborah Larkey, MDMilwaukee, WI 532111437238227

Common questions

What is James G. Linn, M.D.'s NPI number?

James G. Linn, M.D.'s National Provider Identifier (NPI) is 1710983275, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is James G. Linn, M.D. located?

The NPPES record lists a practice address at 2311 N Prospect Ave, Milwaukee, WI, 53211. Phone: (414) 319-3000. Providers update this record themselves, so call before visiting.

How can I verify James G. Linn, M.D.'s license?

NPPES lists Wisconsin license number 25841, 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 James G. Linn, M.D. prescribe under Medicare Part D?

In 2024, James G. Linn, M.D. had 73 Medicare Part D claims for 30 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is James G. Linn, M.D.'s MIPS final score?

The 2023 MIPS final score is 75.8 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.