What is Richard Klein's NPI number?

Richard Klein's National Provider Identifier (NPI) is 1275613275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Richard Klein's specialty?

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

Where is Richard Klein located?

Richard Klein's practice location on file with NPPES is 496 Smithtown Byp, Smithtown, NY 11787-5005.

What is Richard Klein's phone number?

The practice phone number listed in the NPPES registry for Richard Klein is (631) 360-8000.

Is Richard Klein's NPI active?

Yes — Richard Klein's NPI (1275613275) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Richard Klein, DDS

NPI 1275613275 · General Practice Dentistry · Smithtown, NY

Richard Klein, DDS is a General Practice Dentistry provider in Smithtown, NY (NPI 1275613275).

Provider details

NPI number: 1275613275
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: DDS
Sex: Male
Sole proprietor: No
License: 035156 (NY)

Practice location

496 Smithtown Byp

Suite 300

Smithtown, NY 11787-5005

Phone: (631) 360-8000

Fax: (631) 724-7988

Street-level locationGet directions

More NY providers

Mailing address

496 Smithtown Byp

Smithtown, NY 11787-5005

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 035156 (NY)
Dental Providers

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
20 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.

Enumerated: 2006-10-16
Last updated: 2007-07-08

Frequently asked questions

What is Richard Klein's NPI number?: Richard Klein's National Provider Identifier (NPI) is 1275613275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Richard Klein's specialty?: Richard Klein is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
Where is Richard Klein located?: Richard Klein's practice location on file with NPPES is 496 Smithtown Byp, Smithtown, NY 11787-5005.
What is Richard Klein's phone number?: The practice phone number listed in the NPPES registry for Richard Klein is (631) 360-8000.
Is Richard Klein's NPI active?: Yes — Richard Klein's NPI (1275613275) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions