Mark S. Chambers, D.M.D.
NPI 1639262496ActiveIndividual· Dentist, Oral and Maxillofacial Surgery· Houston, TX
Dentist, Oral and Maxillofacial Surgery (D.M.D.) in Houston, Texas, trained at University of Louisville School of Dentistry (class of 1991). In 2024 Medicare paid $90,395 for 382 patients, and Part D covered 805 of their prescriptions, 82% of them generic. Straumann USA LLC reported $2,500 in payments in 2025, mostly speaking and faculty fees.
Overview
| NPI | 1639262496 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.M.D. |
| Sole proprietor | No |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | Jul 5, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Oral and Maxillofacial Surgery Primary | 1223S0112X | 19195 | 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 - Oral Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 382 |
|---|---|
| Services billed | 1,064 across 30 procedure codes |
| Paid by Medicare | $90,395 |
Part D prescriptions in 2024
| Prescriptions (claims) | 805 · 870 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $11,480 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Louisville School of Dentistry |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Oral Surgery |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$2,500 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Straumann USA LLC | $2,500 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,500 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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