What is Mark Kasselik's NPI number?

Mark Kasselik's National Provider Identifier (NPI) is 1891860193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Kasselik's specialty?

Mark Kasselik is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).

Where is Mark Kasselik located?

Mark Kasselik's practice location on file with NPPES is 2100 Webster Street, San Francisco, CA 94115.

What is Mark Kasselik's phone number?

The practice phone number listed in the NPPES registry for Mark Kasselik is (415) 923-3456.

Is Mark Kasselik's NPI active?

Yes — Mark Kasselik's NPI (1891860193) is active in the NPPES registry as of the last update on 2013-07-18.

IndividualActive

Mark Kasselik, MD

NPI 1891860193 · Nephrology Physician · San Francisco, CA

Mark Kasselik, MD is a Nephrology Physician provider in San Francisco, CA (NPI 1891860193).

Provider details

NPI number: 1891860193
Entity type: Individual
Primary specialty: Nephrology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: G62355 (CA)

Specialties & taxonomies

Nephrology PhysicianPrimary207RN0300XLicense G62355 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 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

2100 Webster Street

Ste 405

San Francisco, CA 94115

Phone: (415) 923-3456

Fax: (415) 923-3121

Street-level locationGet directions

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Mailing address