Doctor profile · Federal record

Dr. Janice Ryu, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Sacramento, CA

  • NPI 1710968474
  • Accepts Medicare
  • 39 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2801 K St, Suite 502
Sacramento, CA 958165120
(877) 515-0053
fax (916) 454-6926
Mailing address
10470 Old Placerville RD, Suite 100
Sacramento, CA 958272539

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
June 4, 2015
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #G64233

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710968474. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,362
Distinct HCPCS
10
Medicare allowed
$717,573
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 671 152 $134
G6012 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev 667 61 $267
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 315 106 $409
G6013 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev 246 38 $268
77334 Design and construction of complex radiation treatment device 228 54 $138
77300 Calculation of radiation therapy dose 205 49 $72
77427 Radiation treatment management, 5 treatment sessions 202 64 $202
77336 Continuing radiation therapy consultation per week 198 62 $97
99213 Established patient office or other outpatient visit, 20-29 minutes 171 169 $96
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77 57 $304

In context: peer comparison

Among 7 peers in Sacramento Radiation Oncology Physician, average services per provider: 119. This provider delivers 28× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Janice Ryu's medical specialty?
Dr. Janice Ryu practices Radiation Oncology Physician in Sacramento, CA.
Where does Dr. Janice Ryu practice?
Dr. Janice Ryu practices at 2801 K St, Sacramento, CA 958165120. Office phone: 8775150053.
What is Dr. Janice Ryu's NPI?
Dr. Janice Ryu's National Provider Identifier (NPI) is 1710968474, issued by NPPES.
Does Dr. Janice Ryu accept Medicare assignment?
Yes. Dr. Janice Ryu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Janice Ryu commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev (HCPCS G6012); Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015). Source: CMS Medicare Physician & Other Practitioners file.