Dimitrios Tzachanis, M.D.
NPI 1528026002 · Hematology & Oncology Physician · La Jolla, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dimitrios Tzachanis, M.D. is a Hematology & Oncology Physician provider in La Jolla, CA (NPI 1528026002).
Provider details
- NPI number
- 1528026002
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C55514 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
594 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 290 | $118 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 148 | $147 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 100 | $99 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 26 | $118 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 17 | $184 |
| Advance Care Planning, First 30 Minutes99497 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 130 | 45 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 77 | 21 |
| Lenalidomidebrand: Revlimid | 67 | — |
| Prednisone | 67 | 17 |
| Pomalidomidebrand: Pomalyst | 60 | — |
| Ruxolitinib Phosphatebrand: Jakafi | 57 | — |
| Gabapentin | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,768 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2025-09-08
- Certified
- 2025-09-08
Frequently asked questions
- What is Dimitrios Tzachanis's NPI number?
- Dimitrios Tzachanis's National Provider Identifier (NPI) is 1528026002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dimitrios Tzachanis's specialty?
- Dimitrios Tzachanis is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Dimitrios Tzachanis located?
- Dimitrios Tzachanis's practice location on file with NPPES is 10710 N Torrey Pines Rd, La Jolla, CA 92037-1035.
- What is Dimitrios Tzachanis's phone number?
- The practice phone number listed in the NPPES registry for Dimitrios Tzachanis is (858) 554-8788.
- Does Dimitrios Tzachanis accept Medicare?
- Dimitrios Tzachanis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dimitrios Tzachanis's NPI active?
- Yes — Dimitrios Tzachanis's NPI (1528026002) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.