Rhonda J. Duncan, CNP
Family Nurse Practitioner · Watertown, SD
Rhonda J. Duncan, CNP is a family nurse practitioner with a practice address in Watertown, South Dakota, and NPI 1831403310, issued on Jul 27, 2010. Check the license (South Dakota R027754, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rhonda J. Duncan
- Credential
- CNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R027754 SD
Self-reported in NPPES; status is on the state search - Practice location
- 506 1St Ave SE, Watertown, SD 57201
- Phone
- (605) 886-8482
- Enumerated
- Jul 27, 2010
- Record last updated
- Jul 27, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (605) 884-4300
- Medicare enrollment
- Enrolled (PECOS I20110110000336); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 506 1St Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adrienne Bak, NPFamily Nurse Practitioner1316739550
- Heidi Barber, CNPNurse Practitioner1831709369
- Lindsey Barthel, NP-CFamily Nurse Practitioner1689957565
- Kristina Boetel, CNPNurse Practitioner1184192650
- David Carlson, MDFamily Medicine Physician1114985132
- Bailley Danforth, PA-CPhysician Assistant1184348807
Verify Rhonda J. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license R027754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family nurse practitioner in 2024
107 Medicare Part D claims for 37 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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
- Avera MckennanSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
24 family nurse practitioner records list a practice address in Watertown
They are 24 of the 543 NPPES records with a practice address in Watertown, and 862 family nurse practitioner records in South Dakota.
All 24 in Watertown → All 862 in South Dakota → Every provider in Watertown →
Other family nurse practitioner records in South Dakota
- Katie Aase, FNP-CCanton, SD1982535100
- Carletta Aberle, CNPMcLaughlin, SD1396938197
- Kali Aberle, CNPMcLaughlin, SD1639506181
- Michelle Abraham, CNPSioux Falls, SD1851677280
- Kathryn Adams, CNPSioux Falls, SD1437668027
- Julia AdeeBrookings, SD1366215154
- Cassandra AesophAberdeen, SD1225698723
- McKaela Aghbashian, CNPRapid City, SD1407534332
- Emily Ahlers, CNPSioux Falls, SD1841851086
- Amy Albrecht, CNPHuron, SD1386015535
Common questions
What is Rhonda J. Duncan, CNP's NPI number?
Rhonda J. Duncan, CNP's National Provider Identifier (NPI) is 1831403310, issued on Jul 27, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rhonda J. Duncan, CNP located?
The NPPES record lists a practice address at 506 1St Ave SE, Watertown, SD, 57201. Phone: (605) 886-8482. Providers update this record themselves, so call before visiting.
How can I verify Rhonda J. Duncan, CNP's license?
NPPES lists South Dakota license number R027754, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Rhonda J. Duncan, CNP prescribe under Medicare Part D?
In 2024, Rhonda J. Duncan, CNP had 107 Medicare Part D claims for 37 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.