What is Leonard Johnson's NPI number?

Leonard Johnson's National Provider Identifier (NPI) is 1598030066, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leonard Johnson's specialty?

Leonard Johnson is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Leonard Johnson located?

Leonard Johnson's practice location on file with NPPES is 568 Monarch Ridge Dr, Walnut Creek, CA 94597-2956.

What is Leonard Johnson's phone number?

The practice phone number listed in the NPPES registry for Leonard Johnson is (925) 324-4981.

Is Leonard Johnson's NPI active?

Yes — Leonard Johnson's NPI (1598030066) is active in the NPPES registry as of the last update on 2012-03-17.

IndividualActive

Leonard Johnson, M.D.

NPI 1598030066 · Specialist · Walnut Creek, CA

Leonard Johnson, M.D. is a Specialist provider in Walnut Creek, CA (NPI 1598030066).

Provider details

NPI number: 1598030066
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 25717 (CA)

Specialties & taxonomies

SpecialistPrimary174400000XLicense 25717 (CA)
Other Service Providers

Profile Score

Detailed profile(80/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
14 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

568 Monarch Ridge Dr

Walnut Creek, CA 94597-2956

Phone: (925) 324-4981

Street-level locationGet directions

More CA providers

Mailing address