Katheryn R. Kaldor, DO
Obstetrics & Gynecology Physician · Janesville, WI
Katheryn R. Kaldor, DO is an obstetrics & gynecology physician with a practice address in Janesville, Wisconsin, and NPI 1700922754, issued on Jan 29, 2007. Check the license (Wisconsin 57274-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Katheryn R. Kaldor
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 57274-21 WI
25MB07959600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Mineral Point Ave, Janesville, WI 53548
- Phone
- (608) 756-6800
- Enumerated
- Jan 29, 2007
- Record last updated
- Feb 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (608) 756-6164
- Medicaid IDs
- 512744322 1 IL
1700922754 WI - Medicare enrollment
- Enrolled (PECOS I20120620000377); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 1000 Mineral Point Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marwan Abdulsattar, MDAnesthesiology Physician1265790695
- Kathleen Agard, MDAnesthesiology Physician1558503235
- Imdad Ahmed, MDCardiovascular Disease Physician1053536219
- Muhammad Alkhan, MDInternal Medicine Physician1114950813
- Rachel Allen, MDEmergency Medicine Physician1184823999
- Giuseppe Altamore, DOEmergency Medicine Physician1477828564
Verify Katheryn R. Kaldor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 57274-21Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
73 Medicare Part D claims for 25 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Estradiol16 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 2 group practices
- Prairie Ridge Health IncColumbus, WI
- Rockford Health PhysiciansRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katheryn R. Kaldor among 796 obstetrics & gynecology physician records in Wisconsin
Katheryn R. Kaldor, DO is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 40% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1994 · median 2007 among the 478 with a school on file
- Record last updated2014 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Wisconsin
There are 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Janesville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jill Cousino, D.O.Janesville, WI 535481154587277
- Meridyth Munns, MDJanesville, WI 535481861560823
- Patricia Nahn, MDJanesville, WI 535481740348200
- Carol Neuman, MDJanesville, WI 535481205995842
- Dorothy Newmark, MDJanesville, WI 535481386703833
- James Vogel, MDJanesville, WI 535481568403749
- Tyler Boschuetz, MDJanesville, WI 535461063809416
- Kay Johnson-Keys, MDJanesville, WI 535461043247190
Common questions
What is Katheryn R. Kaldor, DO's NPI number?
Katheryn R. Kaldor, DO's National Provider Identifier (NPI) is 1700922754, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katheryn R. Kaldor, DO located?
The NPPES record lists a practice address at 1000 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 756-6800. Providers update this record themselves, so call before visiting.
How can I verify Katheryn R. Kaldor, DO's license?
NPPES lists Wisconsin license number 57274-21, 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 Katheryn R. Kaldor, DO prescribe under Medicare Part D?
In 2024, Katheryn R. Kaldor, DO had 73 Medicare Part D claims for 25 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.