What is Mark Selden's NPI number?

Mark Selden's National Provider Identifier (NPI) is 1578428660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Selden's specialty?

Mark Selden is listed in the NPPES registry with a primary specialty of Other Technician (Technologists, Technicians & Other Technical Service Providers).

Where is Mark Selden located?

Mark Selden's practice location on file with NPPES is 1380 Howard St, San Francisco, CA 94103-2638.

What is Mark Selden's phone number?

The practice phone number listed in the NPPES registry for Mark Selden is (415) 255-3400.

Is Mark Selden's NPI active?

Yes — Mark Selden's NPI (1578428660) is active in the NPPES registry as of the last update on 2025-12-19.

IndividualActive

Mark Selden

NPI 1578428660 · Other Technician · San Francisco, CA

Mark Selden is a Other Technician provider in San Francisco, CA (NPI 1578428660).

Provider details

NPI number: 1578428660
Entity type: Individual
Primary specialty: Other TechnicianTechnologists, Technicians & Other Technical Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Other TechnicianPrimary247200000X
Technologists, Technicians & Other Technical Service Providers

Profile Score

Basic profile(47/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

1380 Howard St

San Francisco, CA 94103-2638

Phone: (415) 255-3400

Street-level locationGet directions

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Mailing address