Gregory David Gersten, MD
Diagnostic Radiology Physician · Southbury, CT
Gregory David Gersten, MD is a diagnostic radiology physician with a practice address in Southbury, Connecticut, and NPI 1487688214, issued on Jul 10, 2006. Check the license (Connecticut 036955, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gregory David Gersten
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- 036955 CT
4271297 ID
24716 ND
Self-reported in NPPES; status is on the state search - Practice location
- 385 Main St S, Southbury, CT 06488
- Phone
- (203) 264-7999
- Enumerated
- Jul 10, 2006
- Record last updated
- Aug 7, 2026
- Fax
- (203) 264-7477
- Medicaid ID
- 001369554 CT
- Medicare enrollment
- Enrolled (PECOS I20260127002908); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1990
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 619 in Connecticut → Look up another NPI →
Also registered at 385 Main St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maureen Boyd, RPTPhysical Therapist1245334432
- Ying-Sek Chan, MDDiagnostic Ultrasound Physician1992739809
- Ariana Cusack, M.S., BCBABehavior Analyst1821507229
- Jane HunterInternal Medicine Physician1275621625
- Laura Kaplan, MDDiagnostic Radiology Physician1356509269
- Donna Leddy, RPTPhysical Therapist1043300338
Verify Gregory David Gersten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 036955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average diagnostic radiology physician in 2024
78 Medicare Part D claims for 24 beneficiaries, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.
Most prescribed
- Clopidogrel64 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: $3,970.51
52 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 8,048 providers of this specialty with any payment received $2,488.38 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.
Bills Medicare through 3 group practices
- Dlp Marquette Physician Practices IncMarquette, MI
- Phoebe Physician Group IncAmericus, GA
- Saint Alphonsus Regional Medical Center IncBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory David Gersten among 619 diagnostic radiology physician records in Connecticut
Gregory David Gersten, MD is one of 619 diagnostic radiology physician records with a practice address in Connecticut. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 28% of them.
- NPI issued2006 · 28% of these records are older, 45% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1990 · median 2003 among the 432 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 diagnostic radiology physician records list a practice address in Southbury
They are 17 of the 520 NPPES records with a practice address in Southbury, and 619 diagnostic radiology physician records in Connecticut.
All 619 in Connecticut → Every provider in Southbury → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Carolyn Ajemian, MDSouthbury, CT 064881699707018
- Matthew Bushey, MDSouthbury, CT 064881114959541
- Jeffrey Hawley, MDSouthbury, CT 064881871527788
- Bipinchandra JagjivanSouthbury, CT 064881619973823
- Robert Lehman, MDSouthbury, CT 064881598799405
- Bradley Leypold, MD, PHDSouthbury, CT 064881841495330
- Michael Malin, MDSouthbury, CT 064881275565640
- Geoffrey Manton, MDSouthbury, CT 064881538249065
Common questions
What is Gregory David Gersten, MD's NPI number?
Gregory David Gersten, MD's National Provider Identifier (NPI) is 1487688214, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory David Gersten, MD located?
The NPPES record lists a practice address at 385 Main St S, Southbury, CT, 06488. Phone: (203) 264-7999. Providers update this record themselves, so call before visiting.
How can I verify Gregory David Gersten, MD's license?
NPPES lists Connecticut license number 036955, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory David Gersten, MD prescribe under Medicare Part D?
In 2024, Gregory David Gersten, MD had 78 Medicare Part D claims for 24 beneficiaries; the average among diagnostic radiology physician prescribers was 51. 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.