What is Mark Ryder's NPI number?

Mark Ryder's National Provider Identifier (NPI) is 1922187020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Ryder's specialty?

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

Where is Mark Ryder located?

Mark Ryder's practice location on file with NPPES is 521 Parnassus Ave, San Francisco, CA 94143-2206.

What is Mark Ryder's phone number?

The practice phone number listed in the NPPES registry for Mark Ryder is (415) 476-1699.

Is Mark Ryder's NPI active?

Yes — Mark Ryder's NPI (1922187020) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Mark Ryder, DMD

NPI 1922187020 · Periodontics · San Francisco, CA

Mark Ryder, DMD is a Periodontics provider in San Francisco, CA (NPI 1922187020).

Provider details

NPI number: 1922187020
Entity type: Individual
Primary specialty: PeriodonticsDental Providers
Credential: DMD
Sex: Male
Sole proprietor: No
License: CA51446 (CA)

Specialties & taxonomies

PeriodonticsPrimary1223P0300XLicense CA51446 (CA)
Dental Providers

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

521 Parnassus Ave

Room C-628

San Francisco, CA 94143-2206

Phone: (415) 476-1699

Fax: (415) 502-4990

Street-level locationGet directions

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Mailing address