Greg L. Ortenberg, DDS
Endodontics · Farmingville, NY
Greg L. Ortenberg, DDS is an endodontics with a practice address in Farmingville, New York, and NPI 1396996419, issued on Oct 7, 2008. Check the license (New York 052885, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Greg L. Ortenberg
- Credential
- DDS
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 052885 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1025 Portion RD, Farmingville, NY 11738
- Phone
- (631) 696-0100
- Enumerated
- Oct 7, 2008
- Record last updated
- Apr 10, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (631) 696-4159
- Entity
- Type 1 · individual
8 nearest endodontics records → All 483 in New York → Look up another NPI →
Also registered at 1025 Portion RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Albert Bonanno, DDSEndodontics1366561136
- Dena Hanna, DDSDentist1982987327
- Allen Motola, DDSGeneral Practice Dentistry1003935628
- Pushpak NayyarDentist1790461812
- Zuhair Nwaiser, DDSGeneral Practice Dentistry1124148986
- Stanley Sun, DDSGeneral Practice Dentistry1043339690
Verify Greg L. Ortenberg 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 052885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average endodontics in 2024
68 Medicare Part D claims for 39 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ibuprofen29 claims
- Amoxicillin26 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: $10.76
1 payment: food and beverage; the largest payer was Ultradent Products Inc. The 2,057 providers of this specialty with any payment received $49,739.86 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.
Greg L. Ortenberg among 483 endodontics records in New York
Greg L. Ortenberg, DDS is one of 483 endodontics 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 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 34% 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 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in New York
There are 483 endodontics records in New York.
All 483 in New York → Every provider in Farmingville → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Albert Bonanno, DDSFarmingville, NY 117381366561136
- Frank Francica, D.D.S.Holbrook, NY 117411932211588
- Nader Azizi, DDSHuntington, NY 117431851521900
- Edward Isaac, DDSHuntington, NY 117431124018064
- Richard Marcus, D.D.S.Huntington, NY 117431558413559
- Stephen Shore, DMDHuntington, NY 117431457491623
- Ariella Spodek, DMDHuntington, NY 117431548697063
- Leigh Busch, DDSDix Hills, NY 117461366519993
Common questions
What is Greg L. Ortenberg, DDS's NPI number?
Greg L. Ortenberg, DDS's National Provider Identifier (NPI) is 1396996419, issued on Oct 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Greg L. Ortenberg, DDS located?
The NPPES record lists a practice address at 1025 Portion RD, Farmingville, NY, 11738. Phone: (631) 696-0100. Providers update this record themselves, so call before visiting.
How can I verify Greg L. Ortenberg, DDS's license?
NPPES lists New York license number 052885, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Greg L. Ortenberg, DDS prescribe under Medicare Part D?
In 2024, Greg L. Ortenberg, DDS had 68 Medicare Part D claims for 39 beneficiaries; the average among endodontics prescribers was 121. 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.