Doctor profile · Federal record

Dr. Trisha Rieffenberger, CNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Medicine Physician · Watertown, SD

  • NPI 1386282549
  • Accepts Medicare
  • MIPS 76.7 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
901 4Th St Nw
Watertown, SD 572011558
(605) 886-8471
Mailing address
Po Box 5074
Sioux Falls, SD 571175074

Credentials & registration

NPPES · NUCC
NPI registered
December 2019 — 7 yrs on file
Profile last updated
March 17, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
South Dakota #F12190134
Medicaid
SD #TM0417

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386282549. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
194
Distinct HCPCS
4
Medicare allowed
$16,174
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 95 53 $106
99213 Established patient office or other outpatient visit, 20-29 minutes 72 62 $76
71046 X-ray of chest, 2 views 16 13 $24
G0008 Administration of influenza virus vaccine 11 11 $26

In context: peer comparison

Among 7 peers in Watertown Family Nurse Practitioner, average services per provider: 50. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
605
Patients
219
Total drug cost
$6,334
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 62 22 $971
Gabapentin Generic 60 15 $1,028
Lisinopril Generic 58 23 $363
Furosemide Generic 57 19 $235
Omeprazole Generic 46 15 $324
Atorvastatin Calcium Generic 45 20 $565
Amlodipine Besylate Generic 40 19 $174
Metoprolol Succinate Generic 38 14 $689
Fluoxetine Hcl Generic 33 0 $185
Cyclobenzaprine Hcl Generic 32 0 $68

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Trisha Rieffenberger's medical specialty?
Dr. Trisha Rieffenberger practices Family Nurse Practitioner in Watertown, SD.
Where does Dr. Trisha Rieffenberger practice?
Dr. Trisha Rieffenberger practices at 901 4Th St Nw, Watertown, SD 572011558. Office phone: 6058868471.
What is Dr. Trisha Rieffenberger's NPI?
Dr. Trisha Rieffenberger's National Provider Identifier (NPI) is 1386282549, issued by NPPES.
Does Dr. Trisha Rieffenberger accept Medicare assignment?
Yes. Dr. Trisha Rieffenberger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Trisha Rieffenberger commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.