Clarence Young, MD
NPI 1649261371 · Radiation Oncology Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clarence Young, MD is a Radiation Oncology Physician provider in Redwood City, CA (NPI 1649261371).
Provider details
- NPI number
- 1649261371
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A68208 (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
566 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) |
|---|---|---|
| Calculation of Radiation Therapy Dose77300 | 153 | $37 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 94 | $220 |
| Design and Construction of Complex Radiation Treatment Device77334 | 93 | $70 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 60 | $161 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 1 Treatment Area77280 | 43 | $43 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 3 Or More Treatment Areas Or Any Number of Treatment Areas Where Special Treatment Is Involved77290 | 34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-02
- Last updated
- 2024-09-20
- Certified
- 2024-09-20
Frequently asked questions
- What is Clarence Young's NPI number?
- Clarence Young's National Provider Identifier (NPI) is 1649261371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarence Young's specialty?
- Clarence Young is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Clarence Young located?
- Clarence Young's practice location on file with NPPES is 170 Alameda De Las Pulgas, Redwood City, CA 94062-2751.
- What is Clarence Young's phone number?
- The practice phone number listed in the NPPES registry for Clarence Young is (209) 342-2300.
- Does Clarence Young accept Medicare?
- Clarence Young is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clarence Young's NPI active?
- Yes — Clarence Young's NPI (1649261371) is active in the NPPES registry as of the last update on 2024-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.