Doctor profile · Federal record

Dr. Catheryn Yashar, M.D

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Radiation Oncology Physician · La Jolla, CA

  • NPI 1619049129
  • Accepts Medicare
  • 35 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3855 Health Sciences Dr # 0843
La Jolla, CA 920930843
(858) 822-6055
fax (619) 543-3183

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
May 9, 2014
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (3)
California #G81918 · Kentucky #32181 · Indiana #01046843A
Medicaid
CA #00G819180

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619049129. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
658
Distinct HCPCS
10
Medicare allowed
$61,980
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 105 59 $47
77300 Calculation of radiation therapy dose 103 36 $35
77334 Design and construction of complex radiation treatment device 100 34 $64
77427 Radiation treatment management, 5 treatment sessions 77 32 $202
77263 Complex radiation therapy planning 42 42 $177
99205 New patient office or other outpatient visit, 60-74 minutes 33 33 $187
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 31 27 $87
77332 Design and construction of simple radiation treatment device 30 30 $25
99214 Established patient office or other outpatient visit, 30-39 minutes 30 28 $99
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 28 21 $40

In context: peer comparison

Among 5 peers in La Jolla Radiation Oncology Physician, average services per provider: 58. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
67
Patients
37
Total drug cost
$2,319
Drug Type Claims Patients Total cost
Mometasone Furoate Generic 67 37 $2,319

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Catheryn Yashar's medical specialty?
Dr. Catheryn Yashar practices Radiation Oncology Physician in La Jolla, CA.
Where does Dr. Catheryn Yashar practice?
Dr. Catheryn Yashar practices at 3855 Health Sciences Dr # 0843, La Jolla, CA 920930843. Office phone: 8588226055.
What is Dr. Catheryn Yashar's NPI?
Dr. Catheryn Yashar's National Provider Identifier (NPI) is 1619049129, issued by NPPES.
Does Dr. Catheryn Yashar accept Medicare assignment?
Yes. Dr. Catheryn Yashar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catheryn Yashar commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Design and construction of complex radiation treatment device (HCPCS 77334). Source: CMS Medicare Physician & Other Practitioners file.