Tatiana Diazono Thema, MD
Emergency Medicine Physician · Stockton, CA
Tatiana Diazono Thema, MD is an emergency medicine physician with a practice address in Stockton, California, and NPI 1831571785, issued on Jun 26, 2015. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tatiana Diazono Thema
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD60924464 WA
1831571785 OH
Self-reported in NPPES; status is on the state search - Practice location
- 525 W Acacia St, Stockton, CA 95203
- Phone
- (209) 944-5550
- Enumerated
- Jun 26, 2015
- Record last updated
- Dec 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200806000412); accepts Medicare assignment
- Medical or professional school
- Wake Forest University School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 525 W Acacia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cynthia Aimiuwu, PHARM.D.Pharmacist1619241163
- Nazar Alsaffar, MDDiagnostic Radiology Physician1922099332
- Waseem Aslam, M.D.Hospitalist Physician1902111339
- Marylynn Barkley, MDPersonal Emergency Response Attendant1831108950
- Dildeep Batth, M.D.Internal Medicine Physician1306151758
- Jamie Bible, PA-CMedical Physician Assistant1366812273
Verify Tatiana Diazono Thema in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average emergency medicine physician in 2024
150 Medicare Part D claims for 90 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
- Cefdinir18 claims
- Hydrocodone-Acetaminophen12 claims
- Cephalexin11 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.
Bills Medicare through one group practice
- Tacoma Emergency Care Physicians PLLCTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tatiana Diazono Thema among 7,751 emergency medicine physician records in California
Tatiana Diazono Thema, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2015 · median 2011 among the 4,560 with a school on file
- Record last updated2020 · 59% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Stockton → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Benjamin Camacho, M.D.Stockton, CA 952031003349804
- Alan Genicoff, MDStockton, CA 952031558370551
- Luis Melendez SerranoStockton, CA 952031568877728
- Bradley Reinke, MDStockton, CA 952031538178538
- Brian Reuter, M.B.B.S.Stockton, CA 952031285011064
- Gholamreza Safarian, MDStocton, CA 952031023027158
- Denise Ammon, M.D.Stockton, CA 952041518222876
- Douglas Demartinis, MDStockton, CA 952041699797993
Common questions
What is Tatiana Diazono Thema, MD's NPI number?
Tatiana Diazono Thema, MD's National Provider Identifier (NPI) is 1831571785, issued on Jun 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Tatiana Diazono Thema, MD located?
The NPPES record lists a practice address at 525 W Acacia St, Stockton, CA, 95203. Phone: (209) 944-5550. Providers update this record themselves, so call before visiting.
How can I verify Tatiana Diazono Thema, MD's license?
Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tatiana Diazono Thema, MD prescribe under Medicare Part D?
In 2024, Tatiana Diazono Thema, MD had 150 Medicare Part D claims for 90 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.