Rebecca L. Sieger, DMD
Dentist · Wainscott, NY
Rebecca L. Sieger, DMD is a dentist with a practice address in Wainscott, New York, and NPI 1720410632, issued on Aug 1, 2013. Check the license (New York 056687, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Rebecca L. Sieger
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 056687 NY
Self-reported in NPPES; status is on the state search - Practice location
- 384 Montauk Hwy, Wainscott, NY 11975
- Phone
- (631) 537-6364
- Enumerated
- Aug 1, 2013
- Record last updated
- Aug 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (631) 537-0703
- Entity
- Type 1 · individual
Also registered at 384 Montauk Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mahogany Miles, D.M.D.Periodontics1386058238
- Kathryn Mirras, DMDGeneral Practice Dentistry1346652690
Verify Rebecca L. Sieger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 056687Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1 dentist records list a practice address in Wainscott
They are 1 of the 24 NPPES records with a practice address in Wainscott, and 5,918 dentist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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Common questions
What is Rebecca L. Sieger, DMD's NPI number?
Rebecca L. Sieger, DMD's National Provider Identifier (NPI) is 1720410632, issued on Aug 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca L. Sieger, DMD located?
The NPPES record lists a practice address at 384 Montauk Hwy, Wainscott, NY, 11975. Phone: (631) 537-6364. Providers update this record themselves, so call before visiting.
How can I verify Rebecca L. Sieger, DMD's license?
NPPES lists New York license number 056687, as entered by the provider. Search the New York 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.