Royce Chrys, MD
NPI 1609802131 · Diagnostic Radiology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Royce Chrys, MD is a Diagnostic Radiology Physician provider in Walnut Creek, CA (NPI 1609802131).
Provider details
- NPI number
- 1609802131
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G54994 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
8,480 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,631 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 452 | $47 |
| X-Ray of Chest, 2 Views71046 | 335 | $12 |
| Screening 3d Breast Mammography77063 | 332 | $34 |
| Screening Mammography77067 | 332 | $43 |
| X-Ray of Chest, 2 Views71046 | 233 | $12 |
| Ct Scan of Abdomen and Pelvis With Contrast |
Practice location
Mailing address
Additional practice locations (1)
- 1300 Crane StMenlo Park, CA 94025-4260Phone: (650) 498-6530
Registry dates
- Enumerated
- 2006-06-25
- Last updated
- 2023-08-28
- Certified
- 2023-08-28
Frequently asked questions
- What is Royce Chrys's NPI number?
- Royce Chrys's National Provider Identifier (NPI) is 1609802131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Royce Chrys's specialty?
- Royce Chrys is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Royce Chrys located?
- Royce Chrys's practice location on file with NPPES is 2125 Oak Grove Rd, Walnut Creek, CA 94598-2536.
- What is Royce Chrys's phone number?
- The practice phone number listed in the NPPES registry for Royce Chrys is (925) 296-7150.
- Does Royce Chrys accept Medicare?
- Royce Chrys is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Royce Chrys's NPI active?
- Yes — Royce Chrys's NPI (1609802131) is active in the NPPES registry as of the last update on 2023-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.