Philip Gregory Tan Ong, MD
NPI 1093965907ActiveIndividual· Internal Medicine, Pulmonary Disease· San Antonio, TX
Internal Medicine, Pulmonary Disease (MD) with University of Texas Health Science Center at San Antonio, practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $196,814 for 154 claims, against $25,826 paid for services in 2024. Intuitive Surgical, Inc. was the largest of 6 companies reporting payments in 2025, $7,256 in all, mostly education. Lists University Health System and 1 other hospital as hospital affiliations.
Overview
| NPI | 1093965907 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 27, 2008 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | P9678 | TX |
| Internal Medicine, Critical Care Medicine | 207RC0200X | P9678 | 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 - Pulmonary Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 330 across 32 procedure codes |
| Paid by Medicare | $25,826 |
Part D prescriptions in 2024
| Prescriptions (claims) | 154 · 210 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $196,814 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- University of Texas Health Science Center at San AntonioSan Antonio, TX · 1,297 clinicians
Hospital affiliations
- University Health SystemSan Antonio, TX
- Ut Health San Antonio Multispecialty & Research HoSan Antonio, TX
Industry payments (Open Payments)
- 2025$7,256 · 19 payments from 6 companies
- 2024$6,474 · 29 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $5,109 | 11 |
| Cook Incorporated | $1,820 | 1 |
| Pulmonx Corporation | $154.44 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $135.00 | 1 |
| Sanofi-Aventis U.S. LLC | $31.27 | 1 |
What the 2025 payments were for
- Education$3,500 · 2 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,820 · 1 payment
- Travel and Lodging$1,575 · 7 payments
- Food and Beverage$360.88 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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