Joseph Anthony Marzano, M.D.
Gastroenterology Physician · Red Bank, NJ
Joseph Anthony Marzano, M.D. is a gastroenterology physician with a practice address in Red Bank, New Jersey, and NPI 1427052133, issued on Jun 9, 2005. Check the license (New Jersey MA63438, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Joseph Anthony Marzano
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MA63438 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 365 Broad St, Red Bank, NJ 07701
- Phone
- (732) 842-4294
- Enumerated
- Jun 9, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (732) 842-3854
- Medicare enrollment
- Enrolled (PECOS I20101227000810); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1994
- 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 365 Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jyotiben Arya, R.PH.Pharmacist1972812998
- Joseph Binns, MDGastroenterology Physician1326049511
- Brian Boyle, D.O.Gastroenterology Physician1538163233
- Yu-Jeong Choi, MDGastroenterology Physician1942243035
- Robert Gialanella, M.D.Gastroenterology Physician1144224858
- Howard Hampel, MD, PHDGastroenterology Physician1700825635
Verify Joseph Anthony Marzano 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 MA63438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,628 Medicare Part D claims for 547 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole355 claims
- Pantoprazole Sodium327 claims
- Dicyclomine Hcl132 claims
- Sod Sulf-Potass Sulf-Mag Sulf128 claims
- Famotidine65 claims
- Colesevelam Hcl49 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): 97.5 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: $1,117.21
55 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Allied Digestive Health LLCRed Bank, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Anthony Marzano among 735 gastroenterology physician records in New Jersey
Joseph Anthony Marzano, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1994 · median 2000 among the 564 with a school on file
- Record last updated2026 · 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 Red Bank → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Joseph Binns, MDRed Bank, NJ 077011326049511
- Brian Boyle, D.O.Red Bank, NJ 077011538163233
- Yu-Jeong Choi, MDRed Bank, NJ 077011942243035
- Robert Gialanella, M.D.Red Bank, NJ 077011144224858
- Howard Hampel, MD, PHDRed Bank, NJ 077011700825635
- Gregory Heyt, M.D.Red Bank, NJ 077011861496572
- Michael MakarRed Bank, NJ 077011386105237
- Douglas Weine, M.D.Red Bank, NJ 077011336307305
Common questions
What is Joseph Anthony Marzano, M.D.'s NPI number?
Joseph Anthony Marzano, M.D.'s National Provider Identifier (NPI) is 1427052133, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Anthony Marzano, M.D. located?
The NPPES record lists a practice address at 365 Broad St, Red Bank, NJ, 07701. Phone: (732) 842-4294. Providers update this record themselves, so call before visiting.
How can I verify Joseph Anthony Marzano, M.D.'s license?
NPPES lists New Jersey license number MA63438, 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 Joseph Anthony Marzano, M.D. prescribe under Medicare Part D?
In 2024, Joseph Anthony Marzano, M.D. had 1,628 Medicare Part D claims for 547 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Joseph Anthony Marzano, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.5 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.