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John Yong, M.D.
NPI 1225062706 · Internal Medicine Physician · Los Angeles, CA
John Yong, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1225062706).
Provider details
- NPI number
- 1225062706
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G64839 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 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
637 Lucas Ave
Station One
Los Angeles, CA 90017-1912
Phone: (213) 977-2131
Fax: (213) 977-2544
Street-level locationGet directions
Mailing address
2550 North Hollywood Way
Burbank, CA 91505-5019
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Yong's NPI number?
- John Yong's National Provider Identifier (NPI) is 1225062706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Yong's specialty?
- John Yong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Yong located?
- John Yong's practice location on file with NPPES is 637 Lucas Ave, Los Angeles, CA 90017-1912.
- What is John Yong's phone number?
- The practice phone number listed in the NPPES registry for John Yong is (213) 977-2131.
- Is John Yong's NPI active?
- Yes — John Yong's NPI (1225062706) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.