Roberto J. Diaz, MD
Pain Medicine (Anesthesiology) Physician · San Antonio, TX
Roberto J. Diaz, MD is a pain medicine (anesthesiology) physician with a practice address in San Antonio, Texas, and NPI 1649591595, issued on Jun 15, 2010. Check the license (Texas M7142, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Roberto J. Diaz
- Credential
- MD
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- M7142 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5522 Lone Star Pkwy, Bldg 2, San Antonio, TX 78253
- Phone
- (210) 298-4900
- Enumerated
- Jun 15, 2010
- Record last updated
- Apr 27, 2022
- Fax
- (210) 298-6631
- Medicaid ID
- 319181902 TX
- Medicare enrollment
- Enrolled (PECOS I20120613000130); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2005
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 382 in Texas → Look up another NPI →
Also registered at 5522 Lone Star Pkwy, Bldg 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Larina Gutenberg, DOPain Medicine (Anesthesiology) Physician1194994681
Verify Roberto J. Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M7142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average pain medicine (anesthesiology) physician in 2024
3,927 Medicare Part D claims for 540 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 2,031 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen878 claims
- Gabapentin353 claims
- Oxycodone Hcl308 claims
- Pregabalin218 claims
- Tizanidine Hcl190 claims
- Oxycodone-Acetaminophen174 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,216.46
80 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 2,789 providers of this specialty with any payment received $3,225.41 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
- Larina V Gutenberg DO PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roberto J. Diaz among 382 pain medicine (anesthesiology) physician records in Texas
Roberto J. Diaz, MD is one of 382 pain medicine (anesthesiology) physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.
- NPI issued2010 · 64% of these records are older, 31% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2005 · median 2007 among the 284 with a school on file
- Record last updated2022 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Texas
There are 382 pain medicine (anesthesiology) physician records in Texas.
All 382 in Texas → Every provider in San Antonio → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Larina Gutenberg, DOSan Antonio, TX 782531194994681
- Prabhdeep Grewal, MDSan Antonio, TX 782511215156542
- Arnold Deleon, M.D.San Antonio, TX 782401104001148
- Jay Ellis, M.D.San Antonio, TX 782401972535524
- John Hall, D.O.San Antonio, TX 782401639152416
- Michael Hunter, M.D.San Antonio, TX 782401528447521
- Robert Joyner, M.D.San Antonio, TX 782401780686535
- Bryan LaiSan Antonio, TX 782401932527074
Common questions
What is Roberto J. Diaz, MD's NPI number?
Roberto J. Diaz, MD's National Provider Identifier (NPI) is 1649591595, issued on Jun 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Roberto J. Diaz, MD located?
The NPPES record lists a practice address at 5522 Lone Star Pkwy, Bldg 2, San Antonio, TX, 78253. Phone: (210) 298-4900. Providers update this record themselves, so call before visiting.
How can I verify Roberto J. Diaz, MD's license?
NPPES lists Texas license number M7142, 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 Roberto J. Diaz, MD prescribe under Medicare Part D?
In 2024, Roberto J. Diaz, MD had 3,927 Medicare Part D claims for 540 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.
What is Roberto J. Diaz, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.