What is Larry Madsen's NPI number?

Larry Madsen's National Provider Identifier (NPI) is 1689860579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Larry Madsen's specialty?

Larry Madsen is listed in the NPPES registry with a primary specialty of Periodontics (Dental Providers).

Where is Larry Madsen located?

Larry Madsen's practice location on file with NPPES is 299 Juana Ave, San Leandro, CA 94577-4838.

What is Larry Madsen's phone number?

The practice phone number listed in the NPPES registry for Larry Madsen is (510) 352-2111.

Is Larry Madsen's NPI active?

Yes — Larry Madsen's NPI (1689860579) is active in the NPPES registry as of the last update on 2007-09-24.

IndividualActive

Larry Madsen, DDS

NPI 1689860579 · Periodontics · San Leandro, CA

Larry Madsen, DDS is a Periodontics provider in San Leandro, CA (NPI 1689860579).

Provider details

NPI number: 1689860579
Entity type: Individual
Primary specialty: PeriodonticsDental Providers
Credential: DDS
Sex: Male
Sole proprietor: Yes
License: 22906 (CA)

Specialties & taxonomies

PeriodonticsPrimary1223P0300XLicense 22906 (CA)
Dental Providers

Profile Score

Detailed profile(88/100 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

299 Juana Ave

Suite E

San Leandro, CA 94577-4838

Phone: (510) 352-2111

Street-level locationGet directions

More CA providers

Mailing address