Mark Chambers, D.M.D.
NPI 1639262496 · Oral and Maxillofacial Surgery (Dentist) · Houston, TX
Enrolled with Medicare as Practitioner - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Chambers, D.M.D. is a Oral and Maxillofacial Surgery (Dentist) provider in Houston, TX (NPI 1639262496).
Provider details
- NPI number
- 1639262496
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Credential
- D.M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 19195 (TX)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
989 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 462 | $96 |
| X-Ray of Lower Jaws, Upper Jaws and Teeth70355 | 205 | $10 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 137 | $134 |
| Other Procedure on Teeth and Gums41899 | 59 | $86 |
| Reshaping of Tooth Socket41874 | 43 | $186 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 35 | $90 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Chlorhexidine Gluconate | 238 | 88 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 134 | 71 |
| Sodium Fluoride/Potassium Nitbrand: Sodium Fluoride Sensitive | 63 | 32 |
| Nystatin | 39 | 17 |
| Amoxicillin | 33 | 21 |
| Clindamycin Hcl | 32 | 20 |
| Pentoxifylline | 32 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2012-07-05
Frequently asked questions
- What is Mark Chambers's NPI number?
- Mark Chambers's National Provider Identifier (NPI) is 1639262496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chambers's specialty?
- Mark Chambers is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is Mark Chambers located?
- Mark Chambers's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4009.
- What is Mark Chambers's phone number?
- The practice phone number listed in the NPPES registry for Mark Chambers is (713) 792-6161.
- Does Mark Chambers accept Medicare?
- Mark Chambers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Chambers's NPI active?
- Yes — Mark Chambers's NPI (1639262496) is active in the NPPES registry as of the last update on 2012-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.