Sylvia Zannis, D.D.S
Dentist · Boston, MA
Sylvia Zannis, D.D.S is a dentist with a practice address in Boston, Massachusetts, and NPI 1962886606, issued on Jul 13, 2015. Check the license (Massachusetts DL12636, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sylvia Zannis
- Credential
- D.D.S
- Primary taxonomy
- Dentist 122300000X
- License number
- DL12636 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Newton St, Boston, MA 02118
- Phone
- (617) 638-4527
- Enumerated
- Jul 13, 2015
- Record last updated
- Jul 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,934 in Massachusetts → Look up another NPI →
Also registered at 100 E Newton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sylvia Zannis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license DL12636Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average dentist in 2024
16 Medicare Part D claims for 11 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Sylvia Zannis among 2,934 dentist records in Massachusetts
Sylvia Zannis, D.D.S is one of 2,934 dentist records with a practice address in Massachusetts. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 49% of them.
- NPI issued2015 · 49% of these records are older, 48% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
745 dentist records list a practice address in Boston
They are 745 of the 41,865 NPPES records with a practice address in Boston, and 2,934 dentist records in Massachusetts.
All 2,934 in Massachusetts → Every provider in Boston → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Kamar Baloul, DMDBoston, MA 021181891845525
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- Samuel Black, D.M.D.Boston, MA 021181457525222
- Armida Dano, D.M.D.Boston, MA 021181003081316
- Shahnaz Gharib, D.M.DBoston, MA 021181861554594
- Matthew Haddad, D.M.D.Boston, MA 021181609022607
- Jasmin Henville, DMDBoston, MA 021181144495748
- Hema Kapadia, DMDBoston, MA 021181366593402
Common questions
What is Sylvia Zannis, D.D.S's NPI number?
Sylvia Zannis, D.D.S's National Provider Identifier (NPI) is 1962886606, issued on Jul 13, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Sylvia Zannis, D.D.S located?
The NPPES record lists a practice address at 100 E Newton St, Boston, MA, 02118. Phone: (617) 638-4527. Providers update this record themselves, so call before visiting.
How can I verify Sylvia Zannis, D.D.S's license?
NPPES lists Massachusetts license number DL12636, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Sylvia Zannis, D.D.S prescribe under Medicare Part D?
In 2024, Sylvia Zannis, D.D.S had 16 Medicare Part D claims for 11 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.