Tammy Kay Jarvis, D.O.
NPI 1629074992ActiveIndividual· Family Medicine· Ada, OK
Family Medicine (D.O.) with Chickasaw Nation Division of Health Chickasaw Nation Medical Center, practicing in Ada, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $1,622,420 for 12,823 claims, against $39,841 paid for services in 2024. Boston Scientific Corporation reported $16.66 in payments in 2025, mostly food and beverage. Lists Chickasaw Nation Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1629074992 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 22, 2005 |
| Last updated in NPPES | Oct 21, 2025 |
| Certified by provider | Oct 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 3915 | 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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 234 |
|---|---|
| Services billed | 673 across 20 procedure codes |
| Paid by Medicare | $39,841 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,823 · 13,004 30-day fills |
|---|---|
| Patients | 445 |
| Total drug cost | $1,622,420 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Chickasaw Nation Division of Health Chickasaw Nation Medical CenterAda, OK · 240 clinicians
Hospital affiliations
- Chickasaw Nation Medical CenterAda, OK
- Mercy Hospital Ardmore, IncArdmore, OK
Other facilities
- Ideal Home Care, L.P.Home health agency · Ardmore, OK
- Mays Housecall Home Health of DurantHome health agency · Durant, OK
Industry payments (Open Payments)
- 2025$16.66 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $16.66 | 1 |
What the 2025 payments were for
- Food and Beverage$16.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 54 family medicine physicians in Ada · All family medicine physicians in Oklahoma