Ophthalmology, Dental Providers/Dentist, Oral & Maxillofacial Surgery · Houston, TX
NPI
1639262496
Since 2006
Specialty
Ophthalmology, Dental Providers/Dentist, Oral & Maxillofacial Surgery
Code 1223S0112X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
1515 Holcombe Blvd
Houston, TX, 77030
Phone (713) 792-6161
Groups this clinician bills Medicare through
Medicare paid, 2024
$90K
1,064 services
Medicare patients, 2024
382
Average age 72
Drug cost, 2024
$11K
805 prescriptions
Company payments, 2025
$2,500
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Mark S Chambers was code 99214 (office e&m - established), 462 times for 234 patients. In total Mark S Chambers billed 1,064 services in 30 codes, and Medicare paid $90K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-07-05.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Facility | 462 | 234 | $71.62 | $33K |
| 70355 Standard X-ray | Facility | 205 | 196 | $7.56 | $1,550 |
| 99204 Office E&M - New | Facility | 137 | 137 | $102.24 | $14K |
| 41899 Other Organ Systems | Facility | 59 | 21 | $68.13 | $4,020 |
| 41874 Other Organ Systems | Facility | 43 | 26 | $148.43 | $6,382 |
| 99442 Telephone Services | Office | 35 | 33 | $72.02 | $2,521 |
| 99215 Office E&M - Established | Facility | 26 | 23 | $106.06 | $2,758 |
| 40808 Other Organ Systems | Facility | 22 | 16 | $61.90 | $1,362 |
By year: 2022 $93K for 1,039 services; 2023 $76K for 1,013 services; 2024 $90K for 1,064 services.
Medicare prescription drug claims, 2024
In 2024, the drug Mark S Chambers prescribed most often to Medicare patients was Chlorhexidine Gluconate, with 238 prescriptions and refills. In total Mark S Chambers wrote 805 Medicare prescriptions that cost $11K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Chlorhexidine Gluconate Generic | 238 | 243 | 88 | $1,423 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 134 | 134 | 71 | $1,746 |
| Sodium Fluoride Sensitive Sodium Fluoride/Potassium Nit | 63 | 76 | 32 | $753 |
| Nystatin Generic | 39 | 39 | 17 | $659 |
| Amoxicillin Generic | 33 | 33 | 21 | $66.53 |
| Pentoxifylline Generic | 32 | 49 | Under 11 | $544 |
| Clindamycin Hcl Generic | 32 | 32 | 20 | $240 |
| Sodium Fluoride Enamel Protect Sodium Fluoride/Potassium Nit | 30 | 32 | 12 | $341 |
| Triamcinolone Acetonide Generic | 28 | 28 | 16 | $513 |
| Dexamethasone Generic | 22 | 22 | Under 11 | $418 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 22 | 22 | 20 | $187 |
| Prevident 5000 Enamel Protect Sodium Fluoride/Potassium Nit | 20 | 28 | Under 11 | $489 |
| Doxycycline Hyclate Generic | 16 | 16 | Under 11 | $147 |
| Lidocaine Hcl Viscous Lidocaine Hcl | 15 | 15 | 11 | $115 |
Brand drugs: - claims; generic drugs: 658 claims; opioid claims: 29.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Mark S Chambers $2,500 ($2,500 in general payments such as food, travel and fees) from 1 company. The largest payer was Straumann USA LLC with $2,500.
| Company | Payments | Amount |
|---|---|---|
| Straumann USA LLC STMN.SW | 1 | $2,500 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.