Doctor profile · Federal record
Dr. Assumpta Twekise, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Waterloo, IA
- NPI 1972950079
- Accepts Medicare
- 10 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3421 W 9Th St Ste G4500
Waterloo, IA 507025401
(319) 272-8200
fax (319) 272-0400 - Additional location
-
226 Bluebell RD
Cedar Falls, IA 506136328
fax (319) 272-0058 - Mailing address
-
3421 W 9Th St
Waterloo, IA 507025401
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Profile last updated
- November 19, 2025
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Iowa #MD-46787
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972950079. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
58
Distinct HCPCS
2
Medicare allowed
$4,730
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 39 | 19 | $91 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 11 | $62 |
In context: peer comparison
Among 3 peers in Waterloo Obstetrics & Gynecology Physician, average services per provider: 32. This provider delivers 1.8× the peer median.Open Payments
Industry payments received
All-time total
$141
Transactions
7
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 3 | $66.94 | |
| Daiichi Sankyo INC. | 1 | $28.47 | |
| Dexcom, INC. | 1 | $15.88 | |
| Exeltis, USA INC. | 1 | $15.04 | |
| Organon LLC | 1 | $14.24 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
25
Patients
0
Total drug cost
$5,264
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prempro (Estrogen,Con/M-Progest Acet) | Brand | 13 | 0 | $3,365 |
| Estradiol | Generic | 12 | 0 | $1,898 |
Hospital affiliations
Frequently asked questions
What is Dr. Assumpta Twekise's medical specialty?
Dr. Assumpta Twekise practices Obstetrics & Gynecology Physician in Waterloo, IA.
Where does Dr. Assumpta Twekise practice?
Dr. Assumpta Twekise practices at 3421 W 9Th St Ste G4500, Waterloo, IA 507025401. Office phone: 3192728200.
What is Dr. Assumpta Twekise's NPI?
Dr. Assumpta Twekise's National Provider Identifier (NPI) is 1972950079, issued by NPPES.
Does Dr. Assumpta Twekise accept Medicare assignment?
Yes. Dr. Assumpta Twekise accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Assumpta Twekise 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). Source: CMS Medicare Physician & Other Practitioners file.