What is Ronald Clark's NPI number?

Ronald Clark's National Provider Identifier (NPI) is 1477631919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ronald Clark's specialty?

Ronald Clark is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).

Where is Ronald Clark located?

Ronald Clark's practice location on file with NPPES is 909 Hyde St, San Francisco, CA 94109-4822.

What is Ronald Clark's phone number?

The practice phone number listed in the NPPES registry for Ronald Clark is (415) 775-2795.

Is Ronald Clark's NPI active?

Yes — Ronald Clark's NPI (1477631919) is active in the NPPES registry as of the last update on 2010-12-17.

IndividualActive

Ronald Clark, M.D.

NPI 1477631919 · Surgery Physician · San Francisco, CA

Ronald Clark, M.D. is a Surgery Physician provider in San Francisco, CA (NPI 1477631919).

Provider details

NPI number: 1477631919
Entity type: Individual
Primary specialty: Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: C357640 (CA)

Specialties & taxonomies

Surgery PhysicianPrimary208600000XLicense C357640 (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

909 Hyde St

Suite 325

San Francisco, CA 94109-4822

Phone: (415) 775-2795

Fax: (415) 775-3025

Street-level locationGet directions

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Mailing address