Mark Warner, MD
NPI 1659531036 · Pulmonary Disease Physician · Houston, TX
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Warner, MD is a Pulmonary Disease Physician provider in Houston, TX (NPI 1659531036).
Provider details
- NPI number
- 1659531036
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- N0542 (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
18 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
271 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 107 | $119 |
| Critical Care, First 30-74 Minutes99291 | 89 | $214 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $125 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 12 | $56 |
| Test to Measure Expiratory Airflow and Volume94010 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 109 | 33 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 89 | 19 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 52 | 17 |
| Prednisone | 40 | 17 |
| Tiotropium Bromidebrand: Spiriva Respimat | 37 | — |
| Fluticasone Propionate | 30 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (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
- 2008-06-10
- Last updated
- 2025-03-21
- Certified
- 2025-03-21
Frequently asked questions
- What is Mark Warner's NPI number?
- Mark Warner's National Provider Identifier (NPI) is 1659531036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Warner's specialty?
- Mark Warner is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Warner located?
- Mark Warner's practice location on file with NPPES is 6410 Fannin St Ste 600, Houston, TX 77030-5206.
- What is Mark Warner's phone number?
- The practice phone number listed in the NPPES registry for Mark Warner is (832) 325-7100.
- Does Mark Warner accept Medicare?
- Mark Warner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Warner's NPI active?
- Yes — Mark Warner's NPI (1659531036) is active in the NPPES registry as of the last update on 2025-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.