What is Dimitrios Tzachanis's specialty?

Dimitrios Tzachanis (NPI 1528026002) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in La Jolla, CA.

Where does Dimitrios Tzachanis practice?

Dimitrios Tzachanis practices in La Jolla, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1528026002.

How much does Medicare pay Dimitrios Tzachanis?

Dimitrios Tzachanis (NPI 1528026002) received approximately $60K in total Medicare Part B payments, serving 154 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528026002

Dimitrios TzachanisM.D.

Hematology-OncologyLa Jolla, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

218

Unique beneficiaries

—

Total services

594

Distinct HCPCS

Medicare payment

$56K

Peer benchmark

Total Medicare services vs. 957 Hematology-Oncology providers in CA — bottom quintile (cohort median 4,173).

PRESCRIBING · PART D · 2024

Total Rx claims

827

Beneficiaries

—

Total drug cost

$4.1M

Distinct drugs

Brand share

41.4%

Top prescribed drugs

Acyclovir130 claims

Sulfamethoxazole/Trimethoprim77 claims

Prednisone67 claims

Lenalidomide67 claims

Pomalidomide60 claims

QUALITY · MIPS · 2024

Final MIPS score

90.8

Quality

84.1

Cost

73.9

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$369

Payment records

By payment type

Food and Beverage$369

Top paying entities

Food and Beverage$369

REFERRAL NETWORK

Where Dimitrios Tzachanis's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NPI 1215964739	27	340
DELIOUKINA, MARIA	24	321
Yuliya Linhares Hematology-Oncology · Miami, FL	20	283
AMIN, MAHUL	19	165
Seda Gharapetian Nurse Practitioner · West Hollywood, CA	12	283
Rachel Zabner Spielberger Infectious Disease · Los Angeles, CA	11	77
Unilab Corporation Clinical Laboratory · West Hills, CA	11	64

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events