Glenna Wong Johnson, MD
NPI 1013571256ActiveIndividual· Family Medicine· Tulsa, OK
Family Medicine (MD) with Usacs Observation Medicine Services of Oklahoma, LLC, practicing in Tulsa, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $200,164 for 1,563 claims, against $11,786 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 5 companies reporting payments in 2025, $79.82 in all, mostly food and beverage. Lists Ascension St John Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1013571256 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 23, 2019 |
| Last updated in NPPES | May 28, 2026 |
| Certified by provider | May 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 34716 | OK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 88 |
|---|---|
| Services billed | 197 across 14 procedure codes |
| Paid by Medicare | $11,786 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,563 · 3,545 30-day fills |
|---|---|
| Patients | 152 |
| Total drug cost | $200,164 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Usacs Observation Medicine Services of Oklahoma, LLCTulsa, OK · 210 clinicians
Hospital affiliations
- Ascension St John Medical CenterTulsa, OK
- Hillcrest Medical CenterTulsa, OK
Industry payments (Open Payments)
- 2025$79.82 · 5 payments from 5 companies
- 2024$89.47 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $19.62 | 1 |
| Currax Pharmaceuticals LLC | $15.71 | 1 |
| Abbvie Inc. | $15.56 | 1 |
| Lilly USA, LLC | $14.54 | 1 |
| Electromed, Inc. | $14.39 | 1 |
What the 2025 payments were for
- Food and Beverage$79.82 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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