Sergio G. Demier, D.O.
NPI 1558422337ActiveIndividual· Family Medicine· Seminole, OK
Family Medicine (D.O.) in Seminole, Oklahoma, trained at Oklahoma State University College of Osteopathic Medicine (class of 1993). 199 Medicare patients in 2024, $40,217 paid; nearly all of their 525 Part D prescriptions were generic (93%).
Overview
| NPI | 1558422337 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Dec 13, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 3350 | OK |
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 - Family Practice (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 199 |
|---|---|
| Services billed | 484 across 24 procedure codes |
| Paid by Medicare | $40,217 |
Part D prescriptions in 2024
| Prescriptions (claims) | 525 · 530 30-day fills |
|---|---|
| Patients | 205 |
| Total drug cost | $14,796 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Oklahoma State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Family Practice |
| Secondary specialties | Emergency Medicine |
Medical groups
- Newman Memorial Hospital, IncWoodward, OK · 33 clinicians
- Arbuckle Memorial HospitalSulphur, OK · 9 clinicians
- Memorial Hospital of Texas County AuthorityGuymon, OK · 9 clinicians
- Cimarron Memorial Hospital and Nursing HomeBoise City, OK · 7 clinicians
Hospital affiliations
- Arbuckle Memorial Hospital AuthoritySulphur, OK
- Cimarron Memorial HospitalBoise City, OK
- Memorial Hospital of Texas County AuthorityGuymon, OK
- Newman Memorial HospitalShattuck, OK
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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