Mark Blick, D.O.
NPI 1811912041 · Internal Medicine Physician · Bellaire, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Blick, D.O. is a Internal Medicine Physician provider in Bellaire, TX (NPI 1811912041).
Provider details
- NPI number
- 1811912041
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G3933 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
7,828 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Detection Test By Nucleic Acid for Organism, Amplified Probe Technique87798 | 893 | $34 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 569 | $127 |
| Advance Care Planning, First 30 Minutes99497 | 402 | $82 |
| Detection Test for Candida Species (yeast), Amplified Probe Technique87481 | 294 | $34 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 196 | $10 |
| Cortisol (hormone) Measurement, Total82533 | 196 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 198 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,235 | 393 |
| Amlodipine Besylate | 906 | 283 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 825 | 140 |
| Ezetimibe | 724 | 242 |
| Carvedilol | 619 | 185 |
| Rosuvastatin Calcium | 463 | 144 |
| Alprazolam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,082 across 130 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2011-03-16
Frequently asked questions
- What is Mark Blick's NPI number?
- Mark Blick's National Provider Identifier (NPI) is 1811912041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Blick's specialty?
- Mark Blick is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Blick located?
- Mark Blick's practice location on file with NPPES is 6565 West Loop S, Bellaire, TX 77401-3500.
- What is Mark Blick's phone number?
- The practice phone number listed in the NPPES registry for Mark Blick is (713) 850-7272.
- Does Mark Blick accept Medicare?
- Mark Blick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Blick's NPI active?
- Yes — Mark Blick's NPI (1811912041) is active in the NPPES registry as of the last update on 2011-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.