Rolando Diaz, M.D.
Emergency Medicine Physician · Odessa, TX
Rolando Diaz, M.D. is an emergency medicine physician with a practice address in Odessa, Texas, and NPI 1396807491, issued on Dec 14, 2006. Check the license (Texas M5129, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Rolando Diaz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- M5129 TX
Self-reported in NPPES; status is on the state search - Practice location
- 500 W 4TH St, Odessa, TX 79761
- Phone
- (432) 640-1189
- Enumerated
- Dec 14, 2006
- Record last updated
- Nov 4, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 500 W 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rolando Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M5129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average emergency medicine physician in 2024
120 Medicare Part D claims for 93 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Naproxen16 claims
- Hydrocodone-Acetaminophen15 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.
Rolando Diaz among 4,885 emergency medicine physician records in Texas
Rolando Diaz, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2014 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 emergency medicine physician records list a practice address in Odessa
They are 21 of the 1,675 NPPES records with a practice address in Odessa, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Odessa → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kyungho Choi, MDOdessa, TX 797611144200890
- Cordell Cunningham, M.D.Odessa, TX 797611144684168
- Rebecca Diaz, M.D.Odessa, TX 797611477753218
- Ameen Jamali, M.D.Odessa, TX 797611881958684
- Biosha Jones, MDOdessa, TX 797611598393340
- Farshid Kayfan, MDOdessa, TX 797611154362465
- David ReynoldsOdessa, TX 797611699417451
- Gregory Shipkey, MDOdessa, TX 797611336159599
Common questions
What is Rolando Diaz, M.D.'s NPI number?
Rolando Diaz, M.D.'s National Provider Identifier (NPI) is 1396807491, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rolando Diaz, M.D. located?
The NPPES record lists a practice address at 500 W 4TH St, Odessa, TX, 79761. Phone: (432) 640-1189. Providers update this record themselves, so call before visiting.
How can I verify Rolando Diaz, M.D.'s license?
NPPES lists Texas license number M5129, 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 Rolando Diaz, M.D. prescribe under Medicare Part D?
In 2024, Rolando Diaz, M.D. had 120 Medicare Part D claims for 93 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.