Ather A. Siddiqi, MD
NPI 1508893702ActiveIndividual· Radiology, Radiation Oncology· The Woodlands, TX
Radiology, Radiation Oncology (MD) with Hospital Medicine Services of Tx, PLLC and 1 other group, practicing in The Woodlands, Texas. In 2024 Medicare paid $91,742 for 154 patients, and Part D covered 111 of their prescriptions, 87% of them generic. Insmed, Inc. was the largest of 4 companies reporting payments in 2025, $281.75 in all, mostly food and beverage. Lists Chi St Lukes Lakeside Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1508893702 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 26, 2006 |
| Last updated in NPPES | Oct 16, 2023 |
| Certified by provider | Oct 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | K9905 | TX |
| Internal Medicine | 207R00000X | K9905 | 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 - Radiation Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 154 |
|---|---|
| Services billed | 1,418 across 25 procedure codes |
| Paid by Medicare | $91,742 |
Part D prescriptions in 2024
| Prescriptions (claims) | 111 · 123 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $3,855 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Radiation Oncology |
| Secondary specialties | Internal Medicine |
Medical groups
- Hospital Medicine Services of Tx, PLLCLive Oak, TX · 378 clinicians
- Baylor St. Luke's Medical GroupThe Woodlands, TX · 170 clinicians
Hospital affiliations
- Chi St Lukes Lakeside HospitalThe Woodlands, TX
- HCA Houston Healthcare KingwoodKingwood, TX
- HCA Houston Healthcare NorthwestHouston, TX
- St Luke's the Woodlands HospitalThe Woodlands, TX
Other facilities
- Heart To Heart Hospice of HoustonHospice · Conroe, TX
- Heart To Heart Hospice of West HoustonHospice · Houston, TX
Industry payments (Open Payments)
- 2025$281.75 · 19 payments from 4 companies
- 2024$51.80 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insmed, Inc. | $176.02 | 15 |
| Harmony Biosciences LLC | $62.31 | 2 |
| Astrazeneca Pharmaceuticals LP | $27.66 | 1 |
| Axsome Therapeutics, Inc. | $15.76 | 1 |
What the 2025 payments were for
- Food and Beverage$281.75 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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