Registry data as of Aug 27, 2026

Dimitrios Tzachanis, M.D.

Hematology & Oncology Physician · La Jolla, CA

Dimitrios Tzachanis, M.D. is a hematology & oncology physician with a practice address in La Jolla, California, and NPI 1528026002, issued on May 3, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1528026002
Name
Dimitrios Tzachanis
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
Practice location
10710 N Torrey Pines RD, La Jolla, CA 92037
Phone
(858) 554-8788
Enumerated
May 3, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 10710 N Torrey Pines RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicole AdamsPediatric Nurse Practitioner1891167029
  2. Rachel Adrian, RN, MSN, AGACNP-BCAcute Care Nurse Practitioner1548870686
  3. Laura Alberton, M.D.Orthopaedic Surgery Physician1992770655
  4. Sonia Ali, M.D.Hematology & Oncology Physician1730451089
  5. Danica Anderson, PA-CPhysician Assistant1811601859
  6. Jacqueline Anderson, MDSurgery Physician1912427873

Verify Dimitrios Tzachanis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

19% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,051 Medicare Part D claims for 87 beneficiaries, against an average of 885 among the 8,428 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 41 claims were for opioids.

  1. Dimitrios Tzachanis1,051
  2. Specialty average885

Most prescribed

  1. Acyclovir130 claims
  2. Sulfamethoxazole-Trimethoprim77 claims
  3. Prednisone67 claims
  4. Revlimid67 claims
  5. Pomalyst60 claims
  6. Jakafi57 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.

Industry payments in 2024: $2,768.00

1 payment, mostly consulting fee; the largest payer was E.R. Squibb & Sons, L.L.C.. The 6,678 providers of this specialty with any payment received $7,643.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dimitrios Tzachanis$2,768.00
  2. Specialty average$7,643.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Scripps HealthLa Jolla, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Hematology & Oncology Physician providers in California

There are 1,306 hematology & oncology physician records in California.

Other hematology & oncology physician records in California

  1. Mark Abate, M.D.Santa Barbara, CA1588778674
  2. Iman Abdalla, MDLos Angeles, CA1730248311
  3. Nihal Abdulla, MDLos Alamitos, CA1750585345
  4. Oyewale Abidoye, M.D.La Jolla, CA1790841815
  5. Mohamad Adada, M.D., PHDRoseville, CA1528590734
  6. Jesse Adams, MDSacramento, CA1851479554
  7. Thompson Adams, MDSanta Monica, CA1407880891
  8. Camille Adeimy, MDUpland, CA1477785160
  9. David Adkins, MDModesto, CA1104883644
  10. Kent Adler, M.D.San Mateo, CA1013074632

Common questions

What is Dimitrios Tzachanis, M.D.'s NPI number?

Dimitrios Tzachanis, M.D.'s National Provider Identifier (NPI) is 1528026002, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dimitrios Tzachanis, M.D. located?

The NPPES record lists a practice address at 10710 N Torrey Pines RD, La Jolla, CA, 92037. Phone: (858) 554-8788. Providers update this record themselves, so call before visiting.

How can I verify Dimitrios Tzachanis, M.D.'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 Dimitrios Tzachanis, M.D. prescribe under Medicare Part D?

In 2024, Dimitrios Tzachanis, M.D. had 1,051 Medicare Part D claims for 87 beneficiaries; the average among hematology & oncology physician prescribers was 885. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.