John Z Wang MD Inc
NPI 1861457327 · Internal Medicine Physician · West Covina, CA
John Z Wang MD Inc is a Internal Medicine Physician organization in West Covina, CA (NPI 1861457327).
Provider details
- NPI number
- 1861457327
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Wang, President(626) 338-0811
- License
- A67229 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-04-19
- Last updated
- 2020-08-22
Frequently asked questions
- What is John Z Wang MD Inc's NPI number?
- John Z Wang MD Inc's National Provider Identifier (NPI) is 1861457327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Z Wang MD Inc?
- John Z Wang MD Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Z Wang MD Inc located?
- John Z Wang MD Inc's practice location on file with NPPES is 1535 W Merced Ave, West Covina, CA 91790-3404.
- What is John Z Wang MD Inc's phone number?
- The practice phone number listed in the NPPES registry for John Z Wang MD Inc is (626) 338-0811.
- Who is the authorized official for John Z Wang MD Inc?
- The authorized official listed on John Z Wang MD Inc's NPPES record is John Wang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Z Wang MD Inc's NPI active?
- Yes — John Z Wang MD Inc's NPI (1861457327) 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.