Doctor profile · Federal record

Dr. Lia Halasz, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Internal Medicine Physician · Seattle, WA

  • NPI 1780735951
  • Accepts Medicare
  • MIPS 65.5 / 100 · 2023
  • 20 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1959 Ne Pacific St
Seattle, WA 981950001
(206) 598-4100
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
October 5, 2012
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
Washington #MD60229203 · Massachusetts #229033

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780735951. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
719
Distinct HCPCS
10
Medicare allowed
$40,243
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 308 181 $22
77300 Calculation of radiation therapy dose 180 19 $36
77334 Design and construction of complex radiation treatment device 50 19 $66
77014 Ct guidance for insertion of radiation therapy fields 36 12 $49
77427 Radiation treatment management, 5 treatment sessions 24 14 $209
99213 Established patient office or other outpatient visit, 20-29 minutes 23 18 $68
99215 Established patient office or other outpatient visit, 40-54 minutes 23 18 $154
77263 Complex radiation therapy planning 20 18 $183
99214 Established patient office or other outpatient visit, 30-39 minutes 19 15 $105
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 18 16 $90

In context: peer comparison

Among 27 peers in Seattle Radiation Oncology Physician, average services per provider: 74. This provider delivers 9.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lia Halasz's medical specialty?
Dr. Lia Halasz practices Radiation Oncology Physician in Seattle, WA.
Where does Dr. Lia Halasz practice?
Dr. Lia Halasz practices at 1959 Ne Pacific St, Seattle, WA 981950001. Office phone: 2065984100.
What is Dr. Lia Halasz's NPI?
Dr. Lia Halasz's National Provider Identifier (NPI) is 1780735951, issued by NPPES.
Does Dr. Lia Halasz accept Medicare assignment?
Yes. Dr. Lia Halasz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lia Halasz commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Calculation of radiation therapy dose (HCPCS 77300); Design and construction of complex radiation treatment device (HCPCS 77334). Source: CMS Medicare Physician & Other Practitioners file.