Doctor profile · Federal record

Dr. Helen Frederickson, MD

Obstetrics & Gynecology Physician · Gynecologic Oncology Physician · Rapid City, SD

  • NPI 1144251786
  • MIPS 93.3 / 100 · 2023
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
353 Fairmont Blvd
Rapid City, SD 577017375
(605) 755-2300
fax (605) 755-2310
Mailing address
Po Box 3450
Rapid City, SD 577093450

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
February 28, 2017
Specialty taxonomy
207V00000X — NUCC code
State license (1)
South Dakota #4718
Medicaid
SD #6200862

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144251786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
52
Distinct HCPCS
2
Medicare allowed
$4,114
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 26 23 $64
99214 Established patient office or other outpatient visit, 30-39 minutes 26 25 $94

In context: peer comparison

Among 7 peers in this city , average services per provider: 25. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
124
Patients
11
Total drug cost
$1,947
Drug Type Claims Patients Total cost
Letrozole Generic 31 0 $624
Prochlorperazine Maleate Generic 26 0 $480
Ondansetron Hcl Generic 24 11 $260
Dexamethasone Generic 17 0 $209
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 14 0 $272
Triamcinolone Acetonide Generic 12 0 $102

Frequently asked questions

Auto-generated from federal data
What is Dr. Helen Frederickson's medical specialty?
Dr. Helen Frederickson practices Obstetrics & Gynecology Physician in Rapid City, SD.
Where does Dr. Helen Frederickson practice?
Dr. Helen Frederickson practices at 353 Fairmont Blvd, Rapid City, SD 577017375. Office phone: 6057552300.
What is Dr. Helen Frederickson's NPI?
Dr. Helen Frederickson's National Provider Identifier (NPI) is 1144251786, issued by NPPES.
What procedures does Dr. Helen Frederickson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.