NPPES file of Aug 9, 2026

Timothy C. Olson, M.D.

Geriatric Medicine (Internal Medicine) Physician · Madison, WI

Timothy C. Olson, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Madison, Wisconsin, and NPI 1992736102, issued on Jul 5, 2006. Check the license (Wisconsin 67579-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992736102
Name
Timothy C. Olson
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License numbers
67579-20 WI
MR0825 ID
50933 MN
Self-reported in NPPES; status is on the state search
Practice location
UW Hospitals & Clinics 600 Highland Ave, Madison, WI 53792
Phone
(608) 263-6400
Enumerated
Jul 5, 2006
Record last updated
Jul 21, 2022
Medicaid ID
807192000 ID
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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8 nearest geriatric medicine (internal medicine) physician records → All 110 in Wisconsin → Look up another NPI →

Also registered at UW Hospitals & Clinics 600 Highland Ave

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

  1. Ibrahim AbdallaDiagnostic Radiology Physician1467266809
  2. Jaeger Ackerman, MDPsychiatry Physician1578192589
  3. Luis Alamo IrizarryPlastic and Reconstructive Surgery Physician1235639410
  4. Obioma Amajoyi, M.D.Orthopaedic Surgery Physician1447516018
  5. Ryan Anderson, MDPsychiatry Physician1427801430
  6. Carlos Arreola Aldape, MDNeurology Physician1427733039

Verify Timothy C. Olson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 67579-20    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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Timothy C. Olson among 110 geriatric medicine (internal medicine) physician records in Wisconsin

Timothy C. Olson, M.D. is one of 110 geriatric medicine (internal medicine) physician records with a practice address in Wisconsin. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 46% newer
  • In a Medicare fileNo · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2022 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Wisconsin

There are 110 geriatric medicine (internal medicine) physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 110 in Wisconsin → Every provider in Madison → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Cynthia Carlsson, MDMadison, WI 537921104870666
  2. Mary Carnes, MDMadison, WI 537921326009226
  3. Rachel Coburn, MDMadison, WI 537921952863334
  4. Jonathon Leja, MDMadison, WI 537921134758782
  5. Trey Morgan, DOMadison, WI 537921093450157
  6. Darian MulberryMadison, WI 537921669001350
  7. Rohan PatnaikMadison, WI 537921235824772
  8. Floreta Shapiro, DOMadison, WI 537921740717198

Common questions

What is Timothy C. Olson, M.D.'s NPI number?

Timothy C. Olson, M.D.'s National Provider Identifier (NPI) is 1992736102, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy C. Olson, M.D. located?

The NPPES record lists a practice address at UW Hospitals & Clinics 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-6400. Providers update this record themselves, so call before visiting.

How can I verify Timothy C. Olson, M.D.'s license?

NPPES lists Wisconsin license number 67579-20, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.