Johny Cu, MD
NPI 1336223569 · Internal Medicine Physician · West Covina, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johny Cu, MD is a Internal Medicine Physician provider in West Covina, CA (NPI 1336223569).
Provider details
- NPI number
- 1336223569
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A35970 (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
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
- 2006-10-24
- Last updated
- 2014-09-29
Frequently asked questions
- What is Johny Cu's NPI number?
- Johny Cu's National Provider Identifier (NPI) is 1336223569, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johny Cu's specialty?
- Johny Cu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Johny Cu located?
- Johny Cu's practice location on file with NPPES is 1535 W Merced Ave, West Covina, CA 91790-3404.
- What is Johny Cu's phone number?
- The practice phone number listed in the NPPES registry for Johny Cu is (626) 331-6411.
- Does Johny Cu accept Medicare?
- Johny Cu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johny Cu's NPI active?
- Yes — Johny Cu's NPI (1336223569) is active in the NPPES registry as of the last update on 2014-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.