Gordon Diehl
General Practice Dentistry · East Setauket, NY
Gordon Diehl is a general practice dentistry with a practice address in East Setauket, New York, and NPI 1316364128, issued on Mar 19, 2014. Check the license (New York 040755, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gordon Diehl
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 040755 NY
Self-reported in NPPES; status is on the state search - Practice location
- 176 Gnarled Hollow RD, East Setauket, NY 11733
- Phone
- (631) 689-1548
- Enumerated
- Mar 19, 2014
- Record last updated
- Mar 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 7,828 in New York → Look up another NPI →
Verify Gordon Diehl 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 040755Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average general practice dentistry in 2024
110 Medicare Part D claims for 57 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
- Amoxicillin71 claims
- Clindamycin Hcl24 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.
Gordon Diehl among 7,828 general practice dentistry records in New York
Gordon Diehl 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 2014, is newer than 82% of them.
- NPI issued2014 · 82% of these records are older, 17% 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 updated2014 · 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).
General Practice Dentistry providers in New York
There are 7,828 general practice dentistry records in New York.
All 7,828 in New York → Every provider in East Setauket → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Douglas Foerth, DDSSetauket, NY 117331710007653
- Warren Kahn, D.D.S.Setauket, NY 117331265435770
- Ira Koeppel, D.D.S.East Setauket, NY 117331427275544
- Li Ma, DDSSetauket, NY 117331033626171
- Hugh Musof, DMDE Setauket, NY 117331922196153
- Brian Okeefe, DMDEast Setauket, NY 117331376565671
- Mark Pancotto, DDSSetauket, NY 117331205970514
- Thomas Patrie, D.D.S.Setauket, NY 117331023206448
Common questions
What is Gordon Diehl's NPI number?
Gordon Diehl's National Provider Identifier (NPI) is 1316364128, issued on Mar 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gordon Diehl located?
The NPPES record lists a practice address at 176 Gnarled Hollow RD, East Setauket, NY, 11733. Phone: (631) 689-1548. Providers update this record themselves, so call before visiting.
How can I verify Gordon Diehl's license?
NPPES lists New York license number 040755, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Gordon Diehl prescribe under Medicare Part D?
In 2024, Gordon Diehl had 110 Medicare Part D claims for 57 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.