What is Daniel Olsen's NPI number?

Daniel Olsen's National Provider Identifier (NPI) is 1346359536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Daniel Olsen's specialty?

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

Where is Daniel Olsen located?

Daniel Olsen's practice location on file with NPPES is 1 Wallis Ct, Lexington, MA 02421-5403.

What is Daniel Olsen's phone number?

The practice phone number listed in the NPPES registry for Daniel Olsen is (781) 862-1338.

Does Daniel Olsen accept Medicare?

Daniel Olsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Daniel Olsen's NPI active?

Yes — Daniel Olsen's NPI (1346359536) is active in the NPPES registry as of the last update on 2007-07-08.

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Daniel Olsen, DDS

NPI 1346359536 · General Practice Dentistry · Lexington, MA

Daniel Olsen, DDS is a General Practice Dentistry provider in Lexington, MA (NPI 1346359536).

Provider details

NPI number: 1346359536
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: DDS
Sex: Male
Sole proprietor: Yes
License: 12075 (MA)

Practice location

1 Wallis Ct

Lexington, MA 02421-5403

Phone: (781) 862-1338

Fax: (781) 862-3544

Street-level locationGet directions

More MA providers

Mailing address

1 Wallis Ct

Lexington, MA 02421-5403

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 12075 (MA)
Dental Providers

Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)

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: 2006-08-30
Last updated: 2007-07-08

Frequently asked questions

What is Daniel Olsen's NPI number?: Daniel Olsen's National Provider Identifier (NPI) is 1346359536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Daniel Olsen's specialty?: Daniel Olsen is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
Where is Daniel Olsen located?: Daniel Olsen's practice location on file with NPPES is 1 Wallis Ct, Lexington, MA 02421-5403.
What is Daniel Olsen's phone number?: The practice phone number listed in the NPPES registry for Daniel Olsen is (781) 862-1338.
Does Daniel Olsen accept Medicare?: Daniel Olsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Daniel Olsen's NPI active?: Yes — Daniel Olsen's NPI (1346359536) 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