IndividualActive
Ryan Oh
NPI 1821804907 · Registered Nurse · Colton, CA
Ryan Oh is a Registered Nurse provider in Colton, CA (NPI 1821804907).
Provider details
- NPI number
- 1821804907
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95257267 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
400 N Pepper Ave
Colton, CA 92324-1801
Phone: (909) 580-1800
Street-level locationGet directions
Mailing address
5192 S Kensington Ave
Ontario, CA 91762-7229
Registry dates
- Enumerated
- 2024-12-04
- Last updated
- 2024-12-04
- Certified
- 2024-12-04
Frequently asked questions
- What is Ryan Oh's NPI number?
- Ryan Oh's National Provider Identifier (NPI) is 1821804907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Oh's specialty?
- Ryan Oh is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Ryan Oh located?
- Ryan Oh's practice location on file with NPPES is 400 N Pepper Ave, Colton, CA 92324-1801.
- What is Ryan Oh's phone number?
- The practice phone number listed in the NPPES registry for Ryan Oh is (909) 580-1800.
- Is Ryan Oh's NPI active?
- Yes — Ryan Oh's NPI (1821804907) is active in the NPPES registry as of the last update on 2024-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.