John Johnson, M.D.
NPI 1881628352 · Neurological Surgery Physician · Los Angeles, CA
John Johnson, M.D. is a Neurological Surgery Physician provider in Los Angeles, CA (NPI 1881628352).
Provider details
- NPI number
- 1881628352
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G61860D (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,746 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2007-09-28
Frequently asked questions
- What is John Johnson's NPI number?
- John Johnson's National Provider Identifier (NPI) is 1881628352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Johnson's specialty?
- John Johnson is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Johnson located?
- John Johnson's practice location on file with NPPES is 444 S San Vicente Blvd, Los Angeles, CA 90048-4165.
- What is John Johnson's phone number?
- The practice phone number listed in the NPPES registry for John Johnson is (310) 423-9792.
- Is John Johnson's NPI active?
- Yes — John Johnson's NPI (1881628352) is active in the NPPES registry as of the last update on 2007-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.