Assumpta Grace Twekise, MD
Obstetrics & Gynecology Physician · Waterloo, IA
Assumpta Grace Twekise, MD is an obstetrics & gynecology physician with a practice address in Waterloo, Iowa, and NPI 1972950079, issued on May 18, 2016. Check the license (Iowa MD-46787, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Assumpta Grace Twekise
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD-46787 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3421 W 9TH St Ste G4500, Waterloo, IA 50702
- Phone
- (319) 272-8200
- Enumerated
- May 18, 2016
- Record last updated
- Nov 19, 2025
- Fax
- (319) 272-0400
- Medicare enrollment
- Enrolled (PECOS I20200714000918); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 339 in Iowa → Look up another NPI →
Also registered at 3421 W 9TH St Ste G4500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristi Allison, CNMAdvanced Practice Midwife1174033401
- Olanike Alonge-Obe, MD, MPHObstetrics & Gynecology Physician1174921787
- Susan Bredman, PA-CPhysician Assistant1437137692
- Katherine Bryden, CNMAdvanced Practice Midwife1760867394
- Anne Forcey, CNMMidwife1164688206
- Jessica Kepple, CNMAdvanced Practice Midwife1174170948
Verify Assumpta Grace Twekise in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-46787Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
108 Medicare Part D claims for 43 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Oxycodone Hcl13 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.
Industry payments in 2024: $140.57
7 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Covenant Medical Center IncWaterloo, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Assumpta Grace Twekise among 339 obstetrics & gynecology physician records in Iowa
Assumpta Grace Twekise, MD is one of 339 obstetrics & gynecology physician records with a practice address in Iowa. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 80% of them.
- NPI issued2016 · 80% of these records are older, 19% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2016 · median 2006 among the 188 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Iowa
There are 339 obstetrics & gynecology physician records in Iowa.
All 339 in Iowa → Every provider in Waterloo → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Olanike Alonge-Obe, MD, MPHWaterloo, IA 507021174921787
- Kristina Hunter, MDWaterloo, IA 507021992296891
- Heather Marthers, MDWaterloo, IA 507021750341384
- Anthony Onuigbo, M.D.Waterloo, IA 507021255339925
- Barbara Weno, M.D.Waterloo, IA 507021871571133
- Mohamad Hamdi, MDWaterloo, IA 507011750570172
- Brent Hintz, MDWaterloo, IA 507031558477745
- Brian Hokeness, MDWaterloo, IA 507031841753423
Common questions
What is Assumpta Grace Twekise, MD's NPI number?
Assumpta Grace Twekise, MD's National Provider Identifier (NPI) is 1972950079, issued on May 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Assumpta Grace Twekise, MD located?
The NPPES record lists a practice address at 3421 W 9TH St Ste G4500, Waterloo, IA, 50702. Phone: (319) 272-8200. Providers update this record themselves, so call before visiting.
How can I verify Assumpta Grace Twekise, MD's license?
NPPES lists Iowa license number MD-46787, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Assumpta Grace Twekise, MD prescribe under Medicare Part D?
In 2024, Assumpta Grace Twekise, MD had 108 Medicare Part D claims for 43 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
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.