What is William Tanzer's NPI number?

William Tanzer's National Provider Identifier (NPI) is 1649379082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Tanzer's specialty?

William Tanzer is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is William Tanzer located?

William Tanzer's practice location on file with NPPES is Lahey Clinic, Burlington, MA 01805-0001.

What is William Tanzer's phone number?

The practice phone number listed in the NPPES registry for William Tanzer is (781) 744-8000.

Is William Tanzer's NPI active?

Yes — William Tanzer's NPI (1649379082) is active in the NPPES registry as of the last update on 2011-10-24.

IndividualActive

William Tanzer, O.D.

NPI 1649379082 · Optometrist · Burlington, MA

William Tanzer, O.D. is a Optometrist provider in Burlington, MA (NPI 1649379082).

Provider details

NPI number: 1649379082
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
Sole proprietor: No
License: 2744 (MA)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 2744 (MA)
Eye and Vision Services 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

Lahey Clinic

41 Mall Road

Burlington, MA 01805-0001

Phone: (781) 744-8000

Fax: (781) 744-2540

Approximate (ZIP-level) locationGet directions

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Mailing address