Margaret E. Hagan, MD
NPI 1114922887ActiveIndividual· Internal Medicine, Infectious Disease· Wichita, KS
Internal Medicine, Infectious Disease (MD) in Wichita, Kansas, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1988). 631 Medicare patients in 2024, $430,796 paid; nearly all of their 798 Part D prescriptions were generic (95%). Octapharma USA, Inc. was the largest of 14 companies reporting payments in 2025, $648.05 in all, mostly food and beverage.
Overview
| NPI | 1114922887 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 17, 2005 |
| Last updated in NPPES | Mar 17, 2026 |
| Certified by provider | Mar 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 0422810 | KS |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 631 |
|---|---|
| Services billed | 29,207 across 42 procedure codes |
| Paid by Medicare | $430,796 |
Part D prescriptions in 2024
| Prescriptions (claims) | 798 · 986 30-day fills |
|---|---|
| Patients | 199 |
| Total drug cost | $101,570 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Infectious Disease |
| Telehealth | Offers telehealth |
Medical groups
- Ascension Via Christi Hospitals Wichita IncWichita, KS · 121 clinicians
- Infectious Disease Consultants, P.A.Wichita, KS · 23 clinicians
Hospital affiliations
- Ascension Via Christi Hospitals Wichita, Inc.Wichita, KS
- Kansas Medical Center LLCAndover, KS
- Susan B Allen Memorial HospitalEl Dorado, KS
- Wesley Medical CenterWichita, KS
- William Newton HospitalWinfield, KS
Industry payments (Open Payments)
- 2025$648.05 · 34 payments from 14 companies
- 2024$1,054 · 59 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Octapharma USA, Inc. | $91.58 | 4 |
| Hospira, Inc. | $91.26 | 6 |
| Aimmune Therapeutics, Inc. | $74.08 | 3 |
| Abbvie Inc. | $52.20 | 3 |
| Pfizer Inc. | $51.21 | 2 |
What the 2025 payments were for
- Food and Beverage$648.05 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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