John W. Siegal, D.D.S.
General Practice Dentistry · New York, NY
John W. Siegal, D.D.S. is a general practice dentistry with a practice address in New York, New York, and NPI 1689902470, issued on Dec 7, 2009. Check the license (New York 036656, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John W. Siegal
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 036656 NY
Self-reported in NPPES; status is on the state search - Practice location
- 49 West 12TH St, New York, NY 10011
- Phone
- (212) 627-2929
- Enumerated
- Dec 7, 2009
- Record last updated
- Dec 7, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (212) 627-0323
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 7,828 in New York → Look up another NPI →
Also registered at 49 West 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Betty Hellman, PHDClinical Psychologist1215084066
Verify John W. Siegal 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 036656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average general practice dentistry in 2024
89 Medicare Part D claims for 61 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin32 claims
- Chlorhexidine Gluconate14 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.
Industry payments in 2024: $18.41
1 payment: food and beverage; the largest payer was Solventum Corporation. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John W. Siegal among 7,828 general practice dentistry records in New York
John W. Siegal, D.D.S. is one of 7,828 general practice dentistry records with a practice address in New York. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 71% of them.
- NPI issued2009 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2009 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,248 general practice dentistry records list a practice address in New York
They are 1,248 of the 98,468 NPPES records with a practice address in New York, and 7,828 general practice dentistry records in New York.
All 7,828 in New York → Every provider in New York → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- David Blaustein, DDSNew York, NY 100111760516322
- Matthew Bloom, D.D.S.New York, NY 100111255466843
- Joseph Cassidy, DDSNew York, NY 100111134349053
- Charles Clauss, D.D.S.New York, NY 100111598847238
- Christina Constantin, DDSNew York, NY 100111134219207
- Gwen Engelhard, DDSNew York, NY 100111467584045
- Gregory Hull, D.D.S.New York, NY 100111073609384
- Yuliya Kanatova, D.D.SNew York, NY 100111831231398
Common questions
What is John W. Siegal, D.D.S.'s NPI number?
John W. Siegal, D.D.S.'s National Provider Identifier (NPI) is 1689902470, issued on Dec 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John W. Siegal, D.D.S. located?
The NPPES record lists a practice address at 49 West 12TH St, New York, NY, 10011. Phone: (212) 627-2929. Providers update this record themselves, so call before visiting.
How can I verify John W. Siegal, D.D.S.'s license?
NPPES lists New York license number 036656, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does John W. Siegal, D.D.S. prescribe under Medicare Part D?
In 2024, John W. Siegal, D.D.S. had 89 Medicare Part D claims for 61 beneficiaries; the average among general practice dentistry prescribers was 83. 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.