Pedro J. Diaz-Marchan, M.D.
Diagnostic Radiology Physician · Pasadena, TX
Pedro J. Diaz-Marchan, M.D. is a diagnostic radiology physician with a practice address in Pasadena, Texas, and NPI 1225070311, issued on Jun 12, 2006. Check the license (Texas J5284, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Pedro J. Diaz-Marchan
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- J5284 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4600 E Sam Houston Pkwy S, Pasadena, TX 77505
- Phone
- (713) 481-3533
- Enumerated
- Jun 12, 2006
- Record last updated
- Dec 4, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (713) 432-0221
- Medicaid IDs
- 118790806 TX
118790805 TX - Medicare enrollment
- Enrolled (PECOS I20050811000443); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Also registered at 4600 E Sam Houston Pkwy S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Athey, M.D.Diagnostic Radiology Physician1437140548
- Johnna Cacace, NP-CFamily Nurse Practitioner1265958250
- Stephen Evankovich, CAAAnesthesiologist Assistant1710312301
- Richard Fisher, M.D.Diagnostic Radiology Physician1376534354
- Luiz Frigini, M.D.Diagnostic Radiology Physician1932204674
- Liciamma JacobNurse Practitioner1134682347
Verify Pedro J. Diaz-Marchan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J5284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 84.1 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).
Bills Medicare through one group practice
- Baylor College OF MedicineHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pedro J. Diaz-Marchan among 3,124 diagnostic radiology physician records in Texas
Pedro J. Diaz-Marchan, M.D. is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% 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, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1985 · median 2003 among the 2,277 with a school on file
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Texas
There are 3,124 diagnostic radiology physician records in Texas.
All 3,124 in Texas → Every provider in Pasadena → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Patricia Athey, M.D.Pasadena, TX 775051437140548
- Richard Fisher, M.D.Pasadena, TX 775051376534354
- Luiz Frigini, M.D.Pasadena, TX 775051932204674
- Fanny Moron, M.D.Pasadena, TX 775051093759193
- Sueng Park, M.D.Pasadena, TX 775051922099902
- Susan Weathers, M.D.Pasadena, TX 775051043252133
- Elizabeth Jones, M.D.Pasadena, TX 775041598848285
- Dixie Melillo, M.D.Pasadena, TX 775041407857832
Common questions
What is Pedro J. Diaz-Marchan, M.D.'s NPI number?
Pedro J. Diaz-Marchan, M.D.'s National Provider Identifier (NPI) is 1225070311, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Pedro J. Diaz-Marchan, M.D. located?
The NPPES record lists a practice address at 4600 E Sam Houston Pkwy S, Pasadena, TX, 77505. Phone: (713) 481-3533. Providers update this record themselves, so call before visiting.
How can I verify Pedro J. Diaz-Marchan, M.D.'s license?
NPPES lists Texas license number J5284, 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.
What is Pedro J. Diaz-Marchan, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.1 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.