Timothy Dao, MD
NPI 1174526560 · Internal Medicine Physician · Grand Prairie, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Dao, MD is a Internal Medicine Physician provider in Grand Prairie, TX (NPI 1174526560).
Provider details
- NPI number
- 1174526560
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- K3568 (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
21 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
1,116 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 439 | $126 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 366 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $89 |
| Automated Urinalysis Test81003 | 70 | $2 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 40 | $14 |
| Administration of Influenza Virus VaccineG0008 | 39 | $32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 268 | 96 |
| Rosuvastatin Calcium | 261 | 90 |
| Amlodipine Besylate | 241 | 86 |
| Pantoprazole Sodium | 231 | 80 |
| Semaglutidebrand: Ozempic | 170 | 38 |
| Levothyroxine Sodium | 153 | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,198 across 108 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
- 2005-05-31
- Last updated
- 2025-09-10
- Certified
- 2025-09-10
Frequently asked questions
- What is Timothy Dao's NPI number?
- Timothy Dao's National Provider Identifier (NPI) is 1174526560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Dao's specialty?
- Timothy Dao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Dao located?
- Timothy Dao's practice location on file with NPPES is 845 Desco Ln, Grand Prairie, TX 75051-1685.
- What is Timothy Dao's phone number?
- The practice phone number listed in the NPPES registry for Timothy Dao is (817) 465-4141.
- Does Timothy Dao accept Medicare?
- Timothy Dao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Dao's NPI active?
- Yes — Timothy Dao's NPI (1174526560) is active in the NPPES registry as of the last update on 2025-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.