Monica Ryoo, MD
NPI 1124187729 · Radiation Oncology Physician · Los Angeles, CA
Monica Ryoo, MD is a Radiation Oncology Physician provider in Los Angeles, CA (NPI 1124187729).
Provider details
- NPI number
- 1124187729
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A34866 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2008-09-23
Frequently asked questions
- What is Monica Ryoo's NPI number?
- Monica Ryoo's National Provider Identifier (NPI) is 1124187729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Monica Ryoo's specialty?
- Monica Ryoo is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Monica Ryoo located?
- Monica Ryoo's practice location on file with NPPES is 4733 W Sunset Blvd, Los Angeles, CA 90027-6021.
- What is Monica Ryoo's phone number?
- The practice phone number listed in the NPPES registry for Monica Ryoo is (323) 783-4011.
- Is Monica Ryoo's NPI active?
- Yes — Monica Ryoo's NPI (1124187729) is active in the NPPES registry as of the last update on 2008-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.