OrganizationActive
William T Chapman MD Inc
NPI 1053504076 · Specialist · National City, CA
William T Chapman MD Inc is a Specialist organization in National City, CA (NPI 1053504076).
Provider details
- NPI number
- 1053504076
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- William Chapman, Neurologist(619) 475-3870
- License
- G38997 (CA)
Specialties & taxonomies
Other Service Providers
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
18 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
2340 E 8th St
Suite G
National City, CA 91950-2869
Phone: (619) 475-3870
Fax: (619) 475-6402
Street-level locationGet directions
Mailing address
2340 E 8th St
National City, CA 91950-2869
Registry dates
- Enumerated
- 2007-08-22
- Last updated
- 2007-08-22
Frequently asked questions
- What is William T Chapman MD Inc's NPI number?
- William T Chapman MD Inc's National Provider Identifier (NPI) is 1053504076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William T Chapman MD Inc?
- William T Chapman MD Inc is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is William T Chapman MD Inc located?
- William T Chapman MD Inc's practice location on file with NPPES is 2340 E 8th St, National City, CA 91950-2869.
- What is William T Chapman MD Inc's phone number?
- The practice phone number listed in the NPPES registry for William T Chapman MD Inc is (619) 475-3870.
- Who is the authorized official for William T Chapman MD Inc?
- The authorized official listed on William T Chapman MD Inc's NPPES record is William Chapman, Neurologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William T Chapman MD Inc's NPI active?
- Yes — William T Chapman MD Inc's NPI (1053504076) is active in the NPPES registry as of the last update on 2007-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.