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 (California C55514, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dimitrios Tzachanis
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- C55514 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10710 N Torrey Pines RD, La Jolla, CA 92037
- Phone
- (858) 554-8788
- Enumerated
- May 3, 2006
- Record last updated
- Sep 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20130204000348); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
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.
- Nicole AdamsNurse Practitioner1891167029
- Rachel Adrian, RN, MSN, AGACNP-BCAcute Care Nurse Practitioner1548870686
- Laura Alberton, M.D.Sports Medicine (Orthopaedic Surgery) Physician1992770655
- Sonia Ali, M.D.Hematology & Oncology Physician1730451089
- Danica Anderson, PA-CPhysician Assistant1811601859
- Jacqueline Anderson, MDSurgery Physician1912427873
Verify Dimitrios Tzachanis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C55514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% 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 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 41 claims were for opioids.
Most prescribed
- Acyclovir130 claims
- Sulfamethoxazole-Trimethoprim77 claims
- Prednisone67 claims
- Revlimid67 claims
- Pomalyst60 claims
- 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: consulting fee; the largest payer was E.R. Squibb & Sons, L.L.C. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Scripps HealthLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
46 hematology & oncology physician records list a practice address in La Jolla
They are 46 of the 3,648 NPPES records with a practice address in La Jolla, and 1,583 hematology & oncology physician records in California.
All 46 in La Jolla → All 1,583 in California → Every provider in La Jolla →
Other hematology & oncology physician records in California
- Mark Abate, M.D.Santa Barbara, CA1588778674
- Iman Abdalla, MDLos Angeles, CA1730248311
- Haifaa Abdulhaq, MDFresno, CA1508024647
- Nihal Abdulla, MDLos Alamitos, CA1750585345
- Mehrad Abedi, M.D.Sacramento, CA1467459222
- Oyewale Abidoye, M.D.La Jolla, CA1790841815
- Mohammed Abu Zaanona, MDSanta Barbara, CA1922591197
- Mohamad Adada, M.D., PHDRoseville, CA1528590734
- Jesse Adams, MDSacramento, CA1851479554
- Thompson Adams, MDSanta Monica, CA1407880891
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?
NPPES lists California license number C55514, as entered by the provider. 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 877. 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.