David Chao, M.D.
NPI 1346277043 · Specialist · Sugar Land, TX
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chao, M.D. is a Specialist provider in Sugar Land, TX (NPI 1346277043).
Provider details
- NPI number
- 1346277043
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- L8080 (TX)
Specialties & taxonomies
Other Service Providers
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,836 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 556 | $185 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 497 | $108 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 365 | $117 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 77 | $153 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 63 | $98 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 297 | 119 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 187 | 38 |
| Azelastine Hcl | 183 | 85 |
| Famotidine | 158 | 55 |
| Trazodone Hcl | 128 | 40 |
| Doxepin Hcl | 113 | 26 |
| Prednisone | 111 | 38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2013-11-14
Frequently asked questions
- What is David Chao's NPI number?
- David Chao's National Provider Identifier (NPI) is 1346277043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chao's specialty?
- David Chao is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is David Chao located?
- David Chao's practice location on file with NPPES is 17510 West Grand Parkway, Sugar Land, TX 77479.
- What is David Chao's phone number?
- The practice phone number listed in the NPPES registry for David Chao is (281) 341-3036.
- Does David Chao accept Medicare?
- David Chao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chao's NPI active?
- Yes — David Chao's NPI (1346277043) is active in the NPPES registry as of the last update on 2013-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.