NPPES file of Aug 9, 2026

Ian G. Latham, MD

Addiction Medicine (Preventive Medicine) Physician · La Crosse, WI

Ian G. Latham, MD is an addiction medicine (preventive medicine) physician with a practice address in La Crosse, Wisconsin, and NPI 1003436296, issued on Apr 17, 2020. Check the license (Wisconsin 83825, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003436296
Name
Ian G. Latham
Credential
MD
Primary taxonomy
Addiction Medicine (Preventive Medicine) Physician 2083A0300X
License number
83825 WI
Self-reported in NPPES; status is on the state search
Practice location
1836 South Ave, La Crosse, WI 54601
Phone
(608) 782-7300
Enumerated
Apr 17, 2020
Record last updated
May 18, 2026
Medicare enrollment
Enrolled (PECOS I20241105001947); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

4 nearest addiction medicine (preventive medicine) physician records → All 5 in Wisconsin → Look up another NPI →

Also registered at 1836 South Ave

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

  1. Frank Aberger, MDGastroenterology Physician1396748711
  2. Bradley Abicht, DPMPodiatrist1962632166
  3. Carter Abicht, DOAnesthesiology Physician1932736642
  4. Grace AbichtCertified Registered Nurse Anesthetist1003651555
  5. Paul Abicht, CRNACertified Registered Nurse Anesthetist1528061843
  6. Mateen Abidi, M.DCardiovascular Disease Physician1730333980

Verify Ian G. Latham in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 83825    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

83% fewer Medicare Part D claims than the average addiction medicine (preventive medicine) physician in 2024

70 Medicare Part D claims for 25 beneficiaries, against an average of 420 among the 224 providers of this specialty who prescribed in Part D.

  1. Ian Latham70
  2. Specialty average420

Most prescribed

  1. Ondansetron Hcl12 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

  1. Gundersen Lutheran Medical Center IncLa Crosse, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Addiction Medicine (Preventive Medicine) Physician providers in Wisconsin

There are 5 addiction medicine (preventive medicine) physician records in Wisconsin.

All 5 in Wisconsin → Every provider in La Crosse → Addiction Medicine (Preventive Medicine) Physician nationwide →

The 4 addiction medicine (preventive medicine) physician records with the nearest ZIP codes

  1. Charles Schauberger, MDLa Crosse, WI 546011740284322
  2. Kristine Matson, MDAshland, WI 548061417020793
  3. Preetha Kurudiyara, MDWest Milwaukee, WI 532141558567735
  4. Tina Stec, M.D.Milwaukee, WI 532021568670586

Common questions

What is Ian G. Latham, MD's NPI number?

Ian G. Latham, MD's National Provider Identifier (NPI) is 1003436296, issued on Apr 17, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Ian G. Latham, MD located?

The NPPES record lists a practice address at 1836 South Ave, La Crosse, WI, 54601. Phone: (608) 782-7300. Providers update this record themselves, so call before visiting.

How can I verify Ian G. Latham, MD's license?

NPPES lists Wisconsin license number 83825, 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 Ian G. Latham, MD prescribe under Medicare Part D?

In 2024, Ian G. Latham, MD had 70 Medicare Part D claims for 25 beneficiaries; the average among addiction medicine (preventive medicine) physician prescribers was 420. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.