Gregory Ian Seltzer, MD
Gastroenterology Physician · Sicklerville, NJ
Gregory Ian Seltzer, MD is a gastroenterology physician with a practice address in Sicklerville, New Jersey, and NPI 1194901553, issued on Jan 16, 2008. Check the license (New Jersey 25MA07859000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory Ian Seltzer
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 25MA07859000 NJ
MD432399 PA
Self-reported in NPPES; status is on the state search - Practice location
- 485 Williamstown RD, Sicklerville, NJ 08081
- Phone
- (856) 237-8045
- Enumerated
- Jan 16, 2008
- Record last updated
- Nov 18, 2024
- Fax
- (856) 237-8047
- Medicaid ID
- 0225762 NJ
- Medicare enrollment
- Enrolled (PECOS I20091026000402); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 735 in New Jersey → Look up another NPI →
Also registered at 485 Williamstown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel D'Auria, MDGastroenterology Physician1982704474
- Ravi Desai, D.O., M.S.Family Medicine Physician1558742718
- Steven Grant, DPMPodiatrist1861555070
- Maynard Holgado, MDInternal Medicine Physician1679526396
- Janine Kargul, ANP-BCFamily Nurse Practitioner1598061673
- Elaine Lange, R.N, A.P.N.Adult Health Nurse Practitioner1083694913
Verify Gregory Ian Seltzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA07859000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,856 Medicare Part D claims for 511 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Pantoprazole Sodium519 claims
- Omeprazole196 claims
- Linzess155 claims
- Famotidine133 claims
- Sod Sulf-Potass Sulf-Mag Sulf118 claims
- Colestipol Hcl74 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,865.79
104 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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 one group practice
- Virtua Medical Group, PAVoorhees, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Ian Seltzer among 735 gastroenterology physician records in New Jersey
Gregory Ian Seltzer, MD is one of 735 gastroenterology physician records with a practice address in New Jersey. 89% 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 65% of them.
- NPI issued2008 · 65% of these records are older, 29% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2003 · median 2000 among the 564 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New Jersey
There are 735 gastroenterology physician records in New Jersey.
All 735 in New Jersey → Every provider in Sicklerville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Daniel D'Auria, MDSicklerville, NJ 080811982704474
- Brian CopelandSewell, NJ 080801659573525
- Melissa Diener, M.D.Sewell, NJ 080801316106347
- Peter Plumeri, D.O., D.A.C.P.Sewell, NJ 080801447258777
- Pedro Dayrit, M.D.Salem, NJ 080791841343969
- Promila Banerjee, M.D.Stratford, NJ 080841326096942
- Kirit Chhaya, MDSwedesboro, NJ 080851104891118
- Daniel Shufler, MDPennsville, NJ 080701598731085
Common questions
What is Gregory Ian Seltzer, MD's NPI number?
Gregory Ian Seltzer, MD's National Provider Identifier (NPI) is 1194901553, issued on Jan 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Ian Seltzer, MD located?
The NPPES record lists a practice address at 485 Williamstown RD, Sicklerville, NJ, 08081. Phone: (856) 237-8045. Providers update this record themselves, so call before visiting.
How can I verify Gregory Ian Seltzer, MD's license?
NPPES lists New Jersey license number 25MA07859000, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Ian Seltzer, MD prescribe under Medicare Part D?
In 2024, Gregory Ian Seltzer, MD had 1,856 Medicare Part D claims for 511 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Gregory Ian Seltzer, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.