Nam Woo Cho, MDPHD
NPI 1811420052 · Radiation Oncology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nam Woo Cho, MDPHD is a Radiation Oncology Physician provider in San Francisco, CA (NPI 1811420052).
Provider details
- NPI number
- 1811420052
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MDPHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A160331 (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
9 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
512 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 | 171 | $37 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 152 | $51 |
| Design and Construction of Radiation Treatment Device for High Precision Radiation Therapy77338 | 30 | $259 |
| High Precision Radiation Therapy Planning77301 | 28 | $482 |
| Complex Radiation Therapy Planning77263 | 26 | $191 |
| Obtaining Respiratory Data Needed to Develop the Optimal Radiation Treatment77293 | 25 | $121 |
Practice location
Mailing address
Additional practice locations (1)
- 450 Stanyan StSan Francisco, CA 94117-1019Phone: (415) 668-1000
Registry dates
- Enumerated
- 2017-04-05
- Last updated
- 2022-08-05
- Certified
- 2022-08-05
Frequently asked questions
- What is Nam Woo Cho's NPI number?
- Nam Woo Cho's National Provider Identifier (NPI) is 1811420052, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nam Woo Cho's specialty?
- Nam Woo Cho is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nam Woo Cho located?
- Nam Woo Cho's practice location on file with NPPES is 1600 Divisadero St, San Francisco, CA 94115.
- What is Nam Woo Cho's phone number?
- The practice phone number listed in the NPPES registry for Nam Woo Cho is (415) 353-7175.
- Does Nam Woo Cho accept Medicare?
- Nam Woo Cho is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nam Woo Cho's NPI active?
- Yes — Nam Woo Cho's NPI (1811420052) is active in the NPPES registry as of the last update on 2022-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.