Trisha Bea Rieffenberger, CNP
Family Nurse Practitioner · Watertown, SD
Trisha Bea Rieffenberger, CNP is a family nurse practitioner with a practice address in Watertown, South Dakota, and NPI 1386282549, issued on Dec 18, 2019. Check the license (South Dakota F12190134, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Trisha Bea Rieffenberger
- Credential
- CNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- F12190134 SD
Self-reported in NPPES; status is on the state search - Practice location
- 901 4TH St NW, Watertown, SD 57201
- Phone
- (605) 886-8471
- Enumerated
- Dec 18, 2019
- Record last updated
- Mar 17, 2023
- Medicaid ID
- TM0417 SD
- Medicare enrollment
- Enrolled (PECOS I20200313000464); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 901 4TH St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nina BishopPediatrics Physician1477973774
- Jennifer Byer, PA-CPhysician Assistant1487973525
- Roger Carter, MDSurgery Physician1225017809
- Alan Christensen, MDSurgery Physician1023097565
- Robert Crank, MDDiagnostic Radiology Physician1669451100
- Samantha Darnall-Werlinger, MDFamily Medicine Physician1952898447
Verify Trisha Bea Rieffenberger 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 F12190134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average family nurse practitioner in 2024
1,484 Medicare Part D claims for 257 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 38 claims were for opioids.
Most prescribed
- Levothyroxine Sodium68 claims
- Atorvastatin Calcium61 claims
- Lisinopril49 claims
- Gabapentin42 claims
- Cefdinir41 claims
- Losartan Potassium36 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Sanford Medical CenterClark, 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 Trisha Bea Rieffenberger, CNP's NPI number?
Trisha Bea Rieffenberger, CNP's National Provider Identifier (NPI) is 1386282549, issued on Dec 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Trisha Bea Rieffenberger, CNP located?
The NPPES record lists a practice address at 901 4TH St NW, Watertown, SD, 57201. Phone: (605) 886-8471. Providers update this record themselves, so call before visiting.
How can I verify Trisha Bea Rieffenberger, CNP's license?
NPPES lists South Dakota license number F12190134, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Trisha Bea Rieffenberger, CNP prescribe under Medicare Part D?
In 2024, Trisha Bea Rieffenberger, CNP had 1,484 Medicare Part D claims for 257 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Trisha Bea Rieffenberger, CNP's MIPS final score?
The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.