DR. ASSUMPTA GRACE TWEKISE (MD) – Obstetrics & Gynecology Physician, NPI 1972950079

DR. ASSUMPTA GRACE TWEKISE (MD) is a healthcare provider. based in Waterloo, Iowa. specializing in OBSTETRICS/GYNECOLOGY. They hold the professional credentials MD. They hold a License No. MD-46787 (IA). The NPI Number for DR. ASSUMPTA GRACE TWEKISE (MD) is 1972950079

Main info

Female
Sole Proprietor
10 Years Of Experience
Accepts Medicare Assignment
Name
DR. ASSUMPTA GRACE TWEKISE (MD)
NPI
1972950079
Phone
(319) 272-7304
Address
3421 W 9TH ST
Enumeration Date
18 May 2016
Last Update Date
19 November 2025

Doctor Profile

Medical School Name
TULANE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
3192728200
Graduation Year
2016 (10 years ago)
PAC ID
4688097330
Group Practice PAC ID
0244148732
Professional Enrollment ID
I20200714000918
Address ID
IA507025401WA3421XSTXX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience49
Completeness85
Years active:10State licenses:1Digital endpointsOther names

357 OBSTETRICS/GYNECOLOGY in IA

Provider Addresses for DR. ASSUMPTA GRACE TWEKISE (MD)

  • 3421 W 9TH ST

    WATERLOO, IA 507025401

    Phone: (319) 272-7304

    Fax: (319) 272-7318

    Type: Mailing

  • 3421 W 9TH ST STE G4500

    WATERLOO, IA 507025401

    Phone: (319) 272-8200

    Fax: (319) 272-0400

    Type: Location

  • Saint Francis Hospital and Medical Center, 114, Woodland Street, Upper Albany Historic District, Hartford, Hartford County, Connecticut, 06105, United States

    HARTFORD, CT 06105

    Phone: (860) 714-8008

    Type: Location

  • 226 BLUEBELL RD

    CEDAR FALLS, IA 506136328

    Phone: (319) 272-8200

    Fax: (319) 272-0058

    Type: Location

  • 412, Lookout Point, Durham County, North Carolina, 27572, United States

    ROUGEMONT, NC 27572

    Phone: (919) 699-6320

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 19 Open Payments records for all available years, with a total value of $366.

Total Amount is formed as General ($366) + Research ($0) + Ownership ($0) = $366.

Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Astellas Pharma US Inc ($144).

Total Amount

$366

General + Research + Ownership

Payments

19

Total payment records

General Amount

$366

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-03

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2020-07-14

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20200714000918IObstetrics/GynecologyIATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes3919$0
99213Established patient office or other outpatient visit, 20-29 minutes1911$0
View full utilization report →

Insurance plans in this area (ZIP 50702)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0244148732View full group profile
NameSpecialtyState
-IA
Gastroenterology, Internal MedicineIA
Nurse PractitionerIA
-IA
Nurse PractitionerIA
Physician AssistantIA
-IN
Orthopedic SurgeryIA
Family PracticeIA
Family PracticeIA

Reviews

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Frequently asked questions

Can I verify DR. ASSUMPTA GRACE TWEKISE (MD) with an NPI only?
You can start verification with NPI 1972950079 for DR. ASSUMPTA GRACE TWEKISE (MD), then check state licensing separately.
Is DR. ASSUMPTA GRACE TWEKISE (MD) listed as active for patients and plans?
The listing shows DR. ASSUMPTA GRACE TWEKISE (MD) as active in the NPI system.
What healthcare role does DR. ASSUMPTA GRACE TWEKISE (MD) hold?
Scheduling teams often label DR. ASSUMPTA GRACE TWEKISE (MD) under Obstetrics & Gynecology Physician. Clinical services aligned with this taxonomy classification.
What area does DR. ASSUMPTA GRACE TWEKISE (MD) serve?
DR. ASSUMPTA GRACE TWEKISE (MD)'s listing highlights Waterloo, Iowa; more addresses can appear in NPPES.
Why does DR. ASSUMPTA GRACE TWEKISE (MD) have multiple addresses?
5 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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