What is Mark Perl's NPI number?

Mark Perl's National Provider Identifier (NPI) is 1134145501, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Perl's specialty?

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

Where is Mark Perl located?

Mark Perl's practice location on file with NPPES is 235 Montgomery St, San Francisco, CA 94104-2902.

What is Mark Perl's phone number?

The practice phone number listed in the NPPES registry for Mark Perl is (415) 550-7535.

Is Mark Perl's NPI active?

Yes — Mark Perl's NPI (1134145501) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Mark Perl, M.D.

NPI 1134145501 · Psychiatry Physician · San Francisco, CA

Mark Perl, M.D. is a Psychiatry Physician provider in San Francisco, CA (NPI 1134145501).

Provider details

NPI number: 1134145501
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: A37301 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense A37301 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 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

235 Montgomery St

Suite 830

San Francisco, CA 94104-2902

Phone: (415) 550-7535

Fax: (415) 550-7535

Street-level locationGet directions

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Mailing address