Frederick Ketchum, MD
Neurology Physician · Madison, WI
Frederick Ketchum, MD is a neurology physician with a practice address in Madison, Wisconsin, and NPI 1912354994, issued on May 19, 2016. Check the license (Wisconsin 67918, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Frederick Ketchum
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 67918 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-5442
- Enumerated
- May 19, 2016
- Record last updated
- Feb 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200716002809); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 399 in Wisconsin → Look up another NPI →
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Frederick Ketchum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 67918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average neurology physician in 2024
585 Medicare Part D claims for 99 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Donepezil Hcl138 claims
- Carbidopa-Levodopa61 claims
- Levetiracetam56 claims
- Memantine Hcl40 claims
- Rivastigmine35 claims
- Lamotrigine25 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
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frederick Ketchum among 399 neurology physician records in Wisconsin
Frederick Ketchum, MD is one of 399 neurology physician records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2016 · median 2005 among the 274 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Wisconsin
There are 399 neurology physician records in Wisconsin.
All 399 in Wisconsin → Every provider in Madison → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Eric Adelman, MDMadison, WI 537921801913322
- Brad Beinlich, MDMadison, WI 537921679545800
- Marcus Chacon, M.D.Madison, WI 537921609953462
- John Fleming, MDMadison, WI 537921568434777
- Catherine Gallagher, MDMadison, WI 537921891768545
- Audrey Jantzen, M.D.Madison, WI 537921497931661
- Anne Josiah, MDMadison, WI 537921326241944
- Jenny Liao, MDMadison, WI 537921851363063
Common questions
What is Frederick Ketchum, MD's NPI number?
Frederick Ketchum, MD's National Provider Identifier (NPI) is 1912354994, issued on May 19, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Frederick Ketchum, MD located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-5442. Providers update this record themselves, so call before visiting.
How can I verify Frederick Ketchum, MD's license?
NPPES lists Wisconsin license number 67918, 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 Frederick Ketchum, MD prescribe under Medicare Part D?
In 2024, Frederick Ketchum, MD had 585 Medicare Part D claims for 99 beneficiaries; the average among neurology physician prescribers was 1,370. 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.