Robert John Derby, NP
Nurse Practitioner · Beloit, WI
Robert John Derby, NP is a nurse practitioner with a practice address in Beloit, Wisconsin, and NPI 1104593060, issued on Aug 26, 2021. Check the license (Wisconsin 11369-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert John Derby
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 11369-33 WI
209024153 IL
Self-reported in NPPES; status is on the state search - Practice location
- Beloit Clinic, Beloit, WI 53511
- Phone
- (608) 364-1640
- Enumerated
- Aug 26, 2021
- Record last updated
- Dec 4, 2023
- Fax
- (608) 363-7393
- Medicare enrollment
- Enrolled (PECOS I20231208000783); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at Beloit Clinic
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Baumann, NPNurse Practitioner1508680539
- Brittany Blomberg, D.O.Family Medicine Physician1598125072
- Lynell Brown, AUDAudiologist1326002890
- Jennifer Cho-Escalante, DOFamily Medicine Physician1083142202
- Diane Clark, CDRegistered Dietitian1568055812
- Iain Decker, DOOphthalmology Physician1740718410
Verify Robert John Derby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 11369-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average nurse practitioner in 2024
122 Medicare Part D claims for 66 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Ammonium Lactate28 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.
Industry payments in 2024: $225.31
9 payments; by number, the most common kind was food and beverage; the largest payer was Treace Medical Concepts, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Beloit Health System IncBeloit, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
37 nurse practitioner records list a practice address in Beloit
They are 37 of the 706 NPPES records with a practice address in Beloit, and 3,995 nurse practitioner records in Wisconsin.
All 37 in Beloit → All 3,995 in Wisconsin → Every provider in Beloit →
Other nurse practitioner records in Wisconsin
- Caroline Aaberg, APNPMadison, WI1881384394
- Joyce Abbott, APNPOshkosh, WI1003824665
- Mohamed Abdelazim, APNPAppleton, WI1760266696
- Jacklyn Abel, AGACNP-BCMauston, WI1104631506
- Henrietta Abili, APNPGermantown, WI1174859524
- Jade Abts, NPGreen Bay, WI1992293708
- Karalyn Adam, DNP, RNMarshfield, WI1780933051
- Carol Adamczyk, MSNWauwatosa, WI1457502395
- Amanda Adams, NPMadison, WI1023366598
- Bernadette Adams, FNPWestby, WI1427047620
Common questions
What is Robert John Derby, NP's NPI number?
Robert John Derby, NP's National Provider Identifier (NPI) is 1104593060, issued on Aug 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Robert John Derby, NP located?
The NPPES record lists a practice address at Beloit Clinic, Beloit, WI, 53511. Phone: (608) 364-1640. Providers update this record themselves, so call before visiting.
How can I verify Robert John Derby, NP's license?
NPPES lists Wisconsin license number 11369-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Robert John Derby, NP prescribe under Medicare Part D?
In 2024, Robert John Derby, NP had 122 Medicare Part D claims for 66 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.