Ngan Thien Dao, D.O.
NPI 1376830364 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ngan Thien Dao, D.O. is a Internal Medicine Physician provider in Houston, TX (NPI 1376830364).
Provider details
- NPI number
- 1376830364
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- P9545 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
299 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 134 | $117 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 114 | $79 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 33 | $79 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 18 | $173 |
Typical Medicare-allowed amounts for these services range $79–$173 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 22 | 21 |
| Cefdinir | 22 | 22 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 16 | 15 |
| Prednisone | 14 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 13 | 13 |
| Ondansetronbrand: Ondansetron Odt | 13 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-29
- Last updated
- 2023-12-14
- Certified
- 2023-12-14
Frequently asked questions
- What is Ngan Thien Dao's NPI number?
- Ngan Thien Dao's National Provider Identifier (NPI) is 1376830364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ngan Thien Dao's specialty?
- Ngan Thien Dao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ngan Thien Dao located?
- Ngan Thien Dao's practice location on file with NPPES is 1635 North Loop W, Houston, TX 77008-1532.
- What is Ngan Thien Dao's phone number?
- The practice phone number listed in the NPPES registry for Ngan Thien Dao is (713) 867-2000.
- Does Ngan Thien Dao accept Medicare?
- Ngan Thien Dao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ngan Thien Dao's NPI active?
- Yes — Ngan Thien Dao's NPI (1376830364) is active in the NPPES registry as of the last update on 2023-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.