Tulio A. Diaz, M.D.
Interventional Cardiology Physician · Dallas, TX
Tulio A. Diaz, M.D. is an interventional cardiology physician with a practice address in Dallas, Texas, and NPI 1992739270, issued on Jul 10, 2006. Check the license (Texas N9843, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tulio A. Diaz
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- N9843 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8440 Walnut Hill LN Ste 400, Dallas, TX 75231
- Phone
- (214) 369-3613
- Enumerated
- Jul 10, 2006
- Record last updated
- Sep 5, 2025
- Fax
- (214) 706-2004
- Medicaid IDs
- 110040590 MA
306991602 TX - Medicare enrollment
- Enrolled (PECOS I20110829000253); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 724 in Texas → Look up another NPI →
Also registered at 8440 Walnut Hill LN Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shirley Davidoff, FNPFamily Nurse Practitioner1457346447
- Jennifer Pemberton, RN, FNPFamily Nurse Practitioner1932487741
- Mohammad Pervaiz, M.D.Interventional Cardiology Physician1205058690
- Kenneth Saland, MDInterventional Cardiology Physician1336148550
- Jack Spitzberg, MDCardiovascular Disease Physician1619976966
Verify Tulio A. Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N9843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average interventional cardiology physician in 2024
3,524 Medicare Part D claims for 609 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Clopidogrel464 claims
- Metoprolol Succinate437 claims
- Atorvastatin Calcium290 claims
- Ranolazine Er281 claims
- Carvedilol236 claims
- Eliquis221 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 75.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $429.36
10 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Texas Health Physicians GroupRockwall, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tulio A. Diaz among 724 interventional cardiology physician records in Texas
Tulio A. Diaz, M.D. is one of 724 interventional cardiology physician records with a practice address in Texas. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 57% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 90% of these records are
- Graduated1999 · median 2003 among the 653 with a school on file
- Record last updated2025 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Texas
There are 724 interventional cardiology physician records in Texas.
All 724 in Texas → Every provider in Dallas → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- James Choi, M.D.Dallas, TX 752311497729123
- Carter King, MDDallas, TX 752311669579835
- Steven Meyer, MDDallas, TX 752311114965407
- Parin Parikh, MDDallas, TX 752311376704510
- Byung Park, MDDallas, TX 752311306846787
- Mohammad Pervaiz, M.D.Dallas, TX 752311205058690
- Kenneth Saland, MDDallas, TX 752311336148550
- Srinivas YallapragadaDallas, TX 752311174752372
Common questions
What is Tulio A. Diaz, M.D.'s NPI number?
Tulio A. Diaz, M.D.'s National Provider Identifier (NPI) is 1992739270, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tulio A. Diaz, M.D. located?
The NPPES record lists a practice address at 8440 Walnut Hill LN Ste 400, Dallas, TX, 75231. Phone: (214) 369-3613. Providers update this record themselves, so call before visiting.
How can I verify Tulio A. Diaz, M.D.'s license?
NPPES lists Texas license number N9843, 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 Tulio A. Diaz, M.D. prescribe under Medicare Part D?
In 2024, Tulio A. Diaz, M.D. had 3,524 Medicare Part D claims for 609 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Tulio A. Diaz, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.