C Spencer Ahn, DDS
Dentist · East Northport, NY
C Spencer Ahn, DDS is a dentist with a practice address in East Northport, New York, and NPI 1821293960, issued on Jun 19, 2007. Check the license (New York 046314, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- C Spencer Ahn
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 046314 NY
Self-reported in NPPES; status is on the state search - Practice location
- 7 EL Paso CT, East Northport, NY 11731
- Phone
- (631) 499-1100
- Enumerated
- Jun 19, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 5,918 in New York → Look up another NPI →
Verify C Spencer Ahn 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 046314Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $14.16
1 payment: food and beverage; the largest payer was Straumann USA LLC. The 31,974 providers of this specialty with any payment received $540.36 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.
C Spencer Ahn among 5,918 dentist records in New York
C Spencer Ahn, DDS is one of 5,918 dentist records with a practice address in New York. 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 2007, is newer than 26% of them.
- NPI issued2007 · 26% of these records are older, 51% 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 updated2007 · 76% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in New York
There are 5,918 dentist records in New York.
All 5,918 in New York → Every provider in East Northport → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- John Lagner, D.M.D.East Northport, NY 117311639230394
- Raymond Mascolo, DDSEast Northport, NY 117311336278878
- Terri Silverman, DMDEast Northport, NY 117311124138235
- Julie Boerger, D.M.D.East Islip, NY 117301841503000
- Esther ChoiEast Islip, NY 117301811529076
- Richard Domozych, DDSEast Islip, NY 117301447392394
- Robert Domozych, DMDEast Islip, NY 117301235271362
- Kristen Forlano, DDSEast Islip, NY 117301588296743
Common questions
What is C Spencer Ahn, DDS's NPI number?
C Spencer Ahn, DDS's National Provider Identifier (NPI) is 1821293960, issued on Jun 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is C Spencer Ahn, DDS located?
The NPPES record lists a practice address at 7 EL Paso CT, East Northport, NY, 11731. Phone: (631) 499-1100. Providers update this record themselves, so call before visiting.
How can I verify C Spencer Ahn, DDS's license?
NPPES lists New York license number 046314, 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. 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.