James William Gelder, PA-C
Physician Assistant · Lake Geneva, WI
James William Gelder, PA-C is a physician assistant with a practice address in Lake Geneva, Wisconsin, and NPI 1992181408, issued on Aug 6, 2015. Check the license (Wisconsin 3636-23, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James William Gelder
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 3636-23 WI
Self-reported in NPPES; status is on the state search - Practice location
- 146 E Geneva SQ, Lake Geneva, WI 53147
- Phone
- (262) 249-5000
- Enumerated
- Aug 6, 2015
- Record last updated
- Sep 23, 2024
- Medicaid IDs
- 1992181408 WI
100047690 WI - Medicare enrollment
- Enrolled (PECOS I20150930003150); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 146 E Geneva SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachary Allegretti, MDFamily Medicine Physician1952807554
- Nancy Asencio, APNPNurse Practitioner1962410530
- Austin Bacchus, M.D.Family Medicine Physician1225258171
- Ellen Barnstable, MDDermatology Physician1053948562
- Justine Benin, D.O.Family Medicine Physician1942541362
- Shashi Bhushan, MDInternal Medicine Physician1689774101
Verify James William Gelder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3636-23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average physician assistant in 2024
338 Medicare Part D claims for 265 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin49 claims
- Prednisone44 claims
- Amoxicillin-Clavulanate Potass34 claims
- Doxycycline Hyclate19 claims
- Sulfamethoxazole-Trimethoprim18 claims
- Albuterol Sulfate Hfa15 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.
7 physician assistant records list a practice address in Lake Geneva
They are 7 of the 366 NPPES records with a practice address in Lake Geneva, and 3,475 physician assistant records in Wisconsin.
All 7 in Lake Geneva → All 3,475 in Wisconsin → Every provider in Lake Geneva →
Other physician assistant records in Wisconsin
- Amber Abraham, PA-CGreen Bay, WI1598993297
- Roopa AchuriNeenah, WI1225531635
- Carleen Acker, PA-CMadison, WI1447514773
- Lauren Ackerman, PA-CCudahy, WI1992357982
- Jocelyn Acompanado, PA-CSheboygan, WI1770521486
- Kora Adam, PA-CBurlington, WI1952666554
- Stephanie Adamczyk, PAMilwaukee, WI1063007441
- Kristen Adamo, PANew Berlin, WI1437179520
- Beth Adams, PA-CMequon, WI1801237540
- Eric Adams, PAGreen Bay, WI1528445087
Common questions
What is James William Gelder, PA-C's NPI number?
James William Gelder, PA-C's National Provider Identifier (NPI) is 1992181408, issued on Aug 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is James William Gelder, PA-C located?
The NPPES record lists a practice address at 146 E Geneva SQ, Lake Geneva, WI, 53147. Phone: (262) 249-5000. Providers update this record themselves, so call before visiting.
How can I verify James William Gelder, PA-C's license?
NPPES lists Wisconsin license number 3636-23, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does James William Gelder, PA-C prescribe under Medicare Part D?
In 2024, James William Gelder, PA-C had 338 Medicare Part D claims for 265 beneficiaries; the average among physician assistant prescribers was 830. 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.