Tiffany F. Mao, M.D.
NPI 1891181699ActiveIndividual· Internal Medicine, Cardiovascular Disease· Edmond, OK
Internal Medicine, Cardiovascular Disease (M.D.) in Edmond, Oklahoma, trained at University of Missouri, Kansas City, School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $573,943 for 2,771 claims, against $73,173 paid for services in 2024. Amgen Inc. was the largest of 16 companies reporting payments in 2025, $1,145 in all, mostly food and beverage.
Overview
| NPI | 1891181699 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 9, 2015 |
| Last updated in NPPES | Nov 1, 2021 |
| Certified by provider | Nov 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 33543 | OK |
| Student in an Organized Health Care Education/Training Program | 390200000X | BP10052918 | TX |
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 - Cardiovascular Disease (Cardiology) (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 552 |
|---|---|
| Services billed | 1,395 across 51 procedure codes |
| Paid by Medicare | $73,173 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,771 · 6,712 30-day fills |
|---|---|
| Patients | 373 |
| Total drug cost | $573,943 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Integris Cardiovascular Physicians LLCOklahoma City, OK · 116 clinicians
Hospital affiliations
- Integris Baptist Medical Center, IncOklahoma City, OK
- Integris Health Edmond HospitalEdmond, OK
- Integris Health Enid HospitalEnid, OK
- Integris Health Ponca CityPonca City, OK
- Stillwater Medical CenterStillwater, OK
Industry payments (Open Payments)
- 2025$1,145 · 76 payments from 16 companies
- 2024$1,118 · 67 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $252.03 | 22 |
| Pfizer Inc. | $191.91 | 19 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $158.79 | 11 |
| Novo Nordisk Inc | $84.95 | 4 |
| Novartis Pharmaceuticals Corporation | $74.90 | 4 |
What the 2025 payments were for
- Food and Beverage$1,145 · 76 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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