OrganizationActive
John S. Cho, MD
NPI 1629193511 · Non-Pharmacy Dispensing Site · Rancho Cucamonga, CA
John S. Cho, MD is a Non-Pharmacy Dispensing Site organization in Rancho Cucamonga, CA (NPI 1629193511).
Provider details
- NPI number
- 1629193511
- Entity type
- Organization
- Primary specialty
- Non-Pharmacy Dispensing SiteSuppliers
- Organization subpart
- No
- Authorized official
- John Cho, Physician(909) 989-3155
- License
- BC6256932 (CA)
Specialties & taxonomies
Suppliers
Profile Score
Detailed profile(89/100 index)
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
9674 Archibald Ave
Rancho Cucamonga, CA 91730-7941
Phone: (909) 989-3155
Street-level locationGet directions
Mailing address
3607 Old Conejo Rd
Thousand Oaks, CA 91320-2123
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2020-08-22
Frequently asked questions
- What is John S. Cho, MD's NPI number?
- John S. Cho, MD's National Provider Identifier (NPI) is 1629193511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John S. Cho, MD?
- John S. Cho, MD is classified in the NPPES registry as Non-Pharmacy Dispensing Site (Suppliers).
- Where is John S. Cho, MD located?
- John S. Cho, MD's practice location on file with NPPES is 9674 Archibald Ave, Rancho Cucamonga, CA 91730-7941.
- What is John S. Cho, MD's phone number?
- The practice phone number listed in the NPPES registry for John S. Cho, MD is (909) 989-3155.
- Who is the authorized official for John S. Cho, MD?
- The authorized official listed on John S. Cho, MD's NPPES record is John Cho, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John S. Cho, MD's NPI active?
- Yes — John S. Cho, MD's NPI (1629193511) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.