Janice Ryu, M.D.
NPI 1710968474 · Radiation Oncology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janice Ryu, M.D. is a Radiation Oncology Physician provider in Sacramento, CA (NPI 1710968474).
Provider details
- NPI number
- 1710968474
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G64233 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,720 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 653 | $131 |
| Intensity Modulated Treatment Delivery, Single Or Multiple Fields/Arcs,via Narrow Spatially and Temporally Modulated Beams, Binary, Dynamic Mlc, Per Treatment SessionG6015 | 474 | $404 |
| Radiation Treatment Delivery,3 Or More Separate Treatment Areas, Custom Blocking, Tangential Ports, Wedges, Rotational Beam, Compensators, Electron Beam; 6-10 MevG6012 | 366 | $259 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 156 | $96 |
| Calculation of Radiation Therapy Dose77300 | 149 | $72 |
| Design and Construction of Complex Radiation Treatment Device77334 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-09
- Last updated
- 2015-06-04
Frequently asked questions
- What is Janice Ryu's NPI number?
- Janice Ryu's National Provider Identifier (NPI) is 1710968474, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janice Ryu's specialty?
- Janice Ryu is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Janice Ryu located?
- Janice Ryu's practice location on file with NPPES is 2801 K St, Sacramento, CA 95816-5120.
- What is Janice Ryu's phone number?
- The practice phone number listed in the NPPES registry for Janice Ryu is (877) 515-0053.
- Does Janice Ryu accept Medicare?
- Janice Ryu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janice Ryu's NPI active?
- Yes — Janice Ryu's NPI (1710968474) is active in the NPPES registry as of the last update on 2015-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.