William Jerold Hisgen, M.D.
Geriatric Medicine (Internal Medicine) Physician · Madison, WI
William Jerold Hisgen, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Madison, Wisconsin, and NPI 1952554966, issued on Nov 4, 2008. Check the license (Wisconsin 16404, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Jerold Hisgen
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 16404 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1215 Garfield St, Madison, WI 53711
- Phone
- (608) 256-3489
- Enumerated
- Nov 4, 2008
- Record last updated
- Nov 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 110 in Wisconsin → Look up another NPI →
Verify William Jerold Hisgen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 16404Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Jerold Hisgen among 110 geriatric medicine (internal medicine) physician records in Wisconsin
William Jerold Hisgen, 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 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 35% newer
- In a Medicare fileNo · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2008 · 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
- Nathaniel Chin, M.D.Fitchburg, WI 537111902114754
- Daniel McCulley, MDFitchburg, WI 537111114313434
- Kathleen Walsh, DOMadison, WI 537111427122894
- Amy Daley, MDMadison, WI 537151952348278
- Sophie Kramer, MDMadison, WI 537151457307449
- Marjorie Dimaggio, MDMadison, WI 537161164476388
- Elizabeth Chapman, MDMadison, WI 537051225293251
- Alexis Eastman, M.D.Madison, WI 537051306164306
Common questions
What is William Jerold Hisgen, M.D.'s NPI number?
William Jerold Hisgen, M.D.'s National Provider Identifier (NPI) is 1952554966, issued on Nov 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William Jerold Hisgen, M.D. located?
The NPPES record lists a practice address at 1215 Garfield St, Madison, WI, 53711. Phone: (608) 256-3489. Providers update this record themselves, so call before visiting.
How can I verify William Jerold Hisgen, M.D.'s license?
NPPES lists Wisconsin license number 16404, 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.
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.