William L. Tanzer, O.D.
Optometrist · Burlington, MA
William L. Tanzer, O.D. is an optometrist with a practice address in Burlington, Massachusetts, and NPI 1649379082, issued on Sep 22, 2006. Check the license (Massachusetts 2744, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William L. Tanzer
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2744 MA
Self-reported in NPPES; status is on the state search - Practice location
- Lahey Clinic, Burlington, MA 01805
- Phone
- (781) 744-8000
- Enumerated
- Sep 22, 2006
- Record last updated
- Oct 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (781) 744-2540
- Medicaid ID
- 0336181 MA
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Also registered at Lahey Clinic
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eileen Allosso, MS APRN BCNurse Practitioner1437240926
- Carolyn Anderson, M.D.Ophthalmology Physician1376644773
Verify William L. Tanzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 2744Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William L. Tanzer among 1,501 optometrist records in Massachusetts
William L. Tanzer, O.D. is one of 1,501 optometrist records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 56% newer
- In a Medicare fileNo · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 optometrist records list a practice address in Burlington
They are 34 of the 2,620 NPPES records with a practice address in Burlington, and 1,501 optometrist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,501 in Massachusetts → Every provider in Burlington → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Patrick Bessette, ODBurlington, MA 018051194816447
- Gwynn Horsburgh, O.D.Burlington, MA 018051538251822
- Kimber Mapili, ODBurlington, MA 018051497433031
- Pierre Pellerin, ODBurlington, MA 018051235411232
- Kathleen Prendergast, ODBurlington, MA 018051750940961
- Imad Rahman, ODBurlington, MA 018051598332983
- Tamara Granner, O.D.Burlington, MA 018031811419237
- Bradley Howerter, ODBurlington, MA 018031063145845
Common questions
What is William L. Tanzer, O.D.'s NPI number?
William L. Tanzer, O.D.'s National Provider Identifier (NPI) is 1649379082, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William L. Tanzer, O.D. located?
The NPPES record lists a practice address at Lahey Clinic, Burlington, MA, 01805. Phone: (781) 744-8000. Providers update this record themselves, so call before visiting.
How can I verify William L. Tanzer, O.D.'s license?
NPPES lists Massachusetts license number 2744, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.