Doctor profile · Federal record
Dr. Erin Terpstra, MD, PHD
Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Sioux Falls, SD
- NPI 1366005662
- Accepts Medicare
- MIPS 76.7 / 100 · 2023
- 7 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1321 W 22Nd St
Sioux Falls, SD 571051502
(605) 404-4000 - Mailing address
-
Po Box 5074
Sioux Falls, SD 571175074
Credentials & registration
- NPI registered
- April 2019 — 7 yrs on file
- Profile last updated
- December 20, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- South Dakota #13919
- Medicaid
- SD #390200000X
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366005662. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
398
Distinct HCPCS
5
Medicare allowed
$43,293
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 201 | 108 | $93 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 112 | 87 | $137 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 39 | 39 | $172 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 34 | 30 | $63 | |
69210 |
Removal of impacted ear wax | 12 | 11 | $31 |
In context: peer comparison
Among 33 peers in this city , average services per provider: 142. This provider delivers 2.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
830
Patients
348
Total drug cost
$10,962
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 92 | 26 | $1,284 |
| Levothyroxine Sodium | Generic | 82 | 36 | $1,344 |
| Atorvastatin Calcium | Generic | 70 | 31 | $1,115 |
| Omeprazole | Generic | 64 | 28 | $992 |
| Prednisone | Generic | 57 | 37 | $165 |
| Losartan Potassium | Generic | 54 | 24 | $667 |
| Furosemide | Generic | 51 | 23 | $134 |
| Rosuvastatin Calcium | Generic | 51 | 22 | $709 |
| Amlodipine Besylate | Generic | 50 | 23 | $607 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 50 | 23 | $1,518 |
Hospital affiliations
Frequently asked questions
What is Dr. Erin Terpstra's medical specialty?
Dr. Erin Terpstra practices Internal Medicine Physician in Sioux Falls, SD.
Where does Dr. Erin Terpstra practice?
Dr. Erin Terpstra practices at 1321 W 22Nd St, Sioux Falls, SD 571051502. Office phone: 6054044000.
What is Dr. Erin Terpstra's NPI?
Dr. Erin Terpstra's National Provider Identifier (NPI) is 1366005662, issued by NPPES.
Does Dr. Erin Terpstra accept Medicare assignment?
Yes. Dr. Erin Terpstra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erin Terpstra 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 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.