NPPES file of Aug 9, 2026

Timothy P. Dao, MD

Internal Medicine Physician · Grand Prairie, TX

Timothy P. Dao, MD is an internal medicine physician with a practice address in Grand Prairie, Texas, and NPI 1174526560, issued on May 31, 2005. Check the license (Texas K3568, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174526560
Name
Timothy P. Dao
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
K3568 TX
Self-reported in NPPES; status is on the state search
Practice location
845 Desco LN, Grand Prairie, TX 75051
Phone
(817) 465-4141
Enumerated
May 31, 2005
Record last updated
Sep 10, 2025
Fax
(855) 862-9350
Medicaid ID
195138601 TX
Medicare enrollment
Enrolled (PECOS I20080721000571); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 845 Desco LN

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Dao, MDFamily Medicine Physician1205838588

Verify Timothy P. Dao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K3568
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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77% more Medicare Part D claims than the average internal medicine physician in 2024

5,617 Medicare Part D claims for 370 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 119 claims were for opioids.

  1. Timothy Dao5,617
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium268 claims
  2. Rosuvastatin Calcium261 claims
  3. Amlodipine Besylate241 claims
  4. Pantoprazole Sodium231 claims
  5. Ozempic170 claims
  6. Levothyroxine Sodium153 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $2,198.46

108 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Timothy Dao$2,198.46
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Arlington Premier Health Clinic PAArlington, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Timothy P. Dao among 9,175 internal medicine physician records in Texas

Timothy P. Dao, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1995 · median 2004 among the 6,088 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 internal medicine physician records list a practice address in Grand Prairie

They are 14 of the 1,203 NPPES records with a practice address in Grand Prairie, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nanda Bysani, MDGrand Prairie, TX 750511801852025
  2. Priya Jimmy, MDGrand Prairie, TX 750511598175895
  3. Olga Jones, MDGrand Prairie, TX 750511265657571
  4. Waleed Khan, MDGrand Prairie, TX 750511427248426
  5. Ikechukwu Nwabude, MDGrand Prairie, TX 750511720225816
  6. Siva Vurimi, M.D.Grand Prairie, TX 750511700843711
  7. Kelsey Dombrowski, DOGrand Prairie, TX 750521306532221
  8. Queenie Duong, DOGrand Prairie, TX 750521144782046

Common questions

What is Timothy P. Dao, MD's NPI number?

Timothy P. Dao, MD's National Provider Identifier (NPI) is 1174526560, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Timothy P. Dao, MD located?

The NPPES record lists a practice address at 845 Desco LN, Grand Prairie, TX, 75051. Phone: (817) 465-4141. Providers update this record themselves, so call before visiting.

How can I verify Timothy P. Dao, MD's license?

NPPES lists Texas license number K3568, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Timothy P. Dao, MD prescribe under Medicare Part D?

In 2024, Timothy P. Dao, MD had 5,617 Medicare Part D claims for 370 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.