What is Leon Roisman's NPI number?

Leon Roisman's National Provider Identifier (NPI) is 1396883237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leon Roisman's specialty?

Leon Roisman is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is Leon Roisman located?

Leon Roisman's practice location on file with NPPES is 310 S Lake Ave, Pasadena, CA 91101-3540.

What is Leon Roisman's phone number?

The practice phone number listed in the NPPES registry for Leon Roisman is (626) 795-6855.

Is Leon Roisman's NPI active?

Yes — Leon Roisman's NPI (1396883237) is active in the NPPES registry as of the last update on 2025-09-11.

IndividualActive

Leon Roisman, D.M.D.

NPI 1396883237 · General Practice Dentistry · Pasadena, CA

Leon Roisman, D.M.D. is a General Practice Dentistry provider in Pasadena, CA (NPI 1396883237).

Provider details

NPI number: 1396883237
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: D.M.D.
Sex: Male
Sole proprietor: No
License: 19960 (CA)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 19960 (CA)
Dental Providers
Dentist122300000XLicense 19960 (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

310 S Lake Ave

Lower Level

Pasadena, CA 91101-3540

Phone: (626) 795-6855

Fax: (626) 432-4270

Street-level locationGet directions

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Mailing address