Jonathan D Ou MD Inc
NPI 1497199772 · Internal Medicine Physician · Diamond Bar, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan D Ou MD Inc is a Internal Medicine Physician organization in Diamond Bar, CA (NPI 1497199772).
Provider details
- NPI number
- 1497199772
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jonathan Ou, Owner/President(909) 670-7880
- License
- A113176 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2013-04-17
- Last updated
- 2013-04-17
Frequently asked questions
- What is Jonathan D Ou MD Inc's NPI number?
- Jonathan D Ou MD Inc's National Provider Identifier (NPI) is 1497199772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jonathan D Ou MD Inc?
- Jonathan D Ou MD Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan D Ou MD Inc located?
- Jonathan D Ou MD Inc's practice location on file with NPPES is 2707 S Diamond Bar Blvd, Diamond Bar, CA 91765-3500.
- What is Jonathan D Ou MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Jonathan D Ou MD Inc is (909) 594-8331.
- Does Jonathan D Ou MD Inc accept Medicare?
- Jonathan D Ou MD Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Jonathan D Ou MD Inc?
- The authorized official listed on Jonathan D Ou MD Inc's NPPES record is Jonathan Ou, Owner/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jonathan D Ou MD Inc's NPI active?
- Yes — Jonathan D Ou MD Inc's NPI (1497199772) is active in the NPPES registry as of the last update on 2013-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.