Mark Westbrook, MD
NPI 1548258734 · Family Medicine Physician · Spring, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Westbrook, MD is a Family Medicine Physician provider in Spring, TX (NPI 1548258734).
Provider details
- NPI number
- 1548258734
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G3902 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
868 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 | 285 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 134 | $90 |
| Advance Care Planning, First 30 Minutes99497 | 101 | $81 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 100 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 93 | $128 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 104 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 246 | 82 |
| Amlodipine Besylate | 197 | 66 |
| Levothyroxine Sodium | 182 | 61 |
| Zolpidem Tartrate | 132 | 26 |
| Rosuvastatin Calcium | 113 | 40 |
| Pantoprazole Sodium | 111 | 46 |
| Lisinopril |
Practice location
Mailing address
Additional practice locations (1)
- 11026 Highway 242Conroe, TX 77385-4348Phone: (281) 587-1700Fax: (281) 907-6003
Registry dates
- Enumerated
- 2005-10-11
- Last updated
- 2022-09-08
- Certified
- 2021-04-29
Frequently asked questions
- What is Mark Westbrook's NPI number?
- Mark Westbrook's National Provider Identifier (NPI) is 1548258734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Westbrook's specialty?
- Mark Westbrook is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Westbrook located?
- Mark Westbrook's practice location on file with NPPES is 21309 Foster Rd Ste 100, Spring, TX 77388-4209.
- What is Mark Westbrook's phone number?
- The practice phone number listed in the NPPES registry for Mark Westbrook is (281) 587-1700.
- Does Mark Westbrook accept Medicare?
- Mark Westbrook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Westbrook's NPI active?
- Yes — Mark Westbrook's NPI (1548258734) is active in the NPPES registry as of the last update on 2022-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.