NPPES file of Aug 9, 2026

William James Ferges, M.D.

Gastroenterology Physician · Somerset, NJ

William James Ferges, M.D. is a gastroenterology physician with a practice address in Somerset, New Jersey, and NPI 1982909040, issued on Jan 21, 2011. Check the license (New Jersey 25MA08991500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982909040
Name
William James Ferges
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
25MA08991500 NJ
Self-reported in NPPES; status is on the state search
Practice location
33 Clyde RD, Somerset, NJ 08873
Phone
(732) 873-9200
Enumerated
Jan 21, 2011
Record last updated
Mar 31, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(732) 873-1699
Medicare enrollment
Enrolled (PECOS I20140813001737); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2008
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 33 Clyde RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Scott Aronson, MDGastroenterology Physician1285655274
  2. Mitchell FergesSpecialist1407853310
  3. Noel Ilogu, MDInternal Medicine Physician1518063551
  4. Catvan Le, M.D.Interventional Pain Medicine Physician1457593477
  5. Ira MerkelGastroenterology Physician1336146125
  6. Sejal Patel, PA-CPhysician Assistant1790725455

Verify William James Ferges in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA08991500
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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63% more Medicare Part D claims than the average gastroenterology physician in 2024

1,324 Medicare Part D claims for 443 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. William Ferges1,324
  2. Specialty average811

Most prescribed

  1. Omeprazole319 claims
  2. Pantoprazole Sodium229 claims
  3. Famotidine194 claims
  4. Esomeprazole Magnesium84 claims
  5. Sod Sulf-Potass Sulf-Mag Sulf72 claims
  6. Sutab50 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.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%97.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,315.14

79 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.

  1. William Ferges$1,315.14
  2. Specialty average$5,015.95

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

  1. Allied Digestive Health LLCSomerset, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William James Ferges among 735 gastroenterology physician records in New Jersey

William James Ferges, 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 2011, is newer than 75% of them.

  • NPI issued2011 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2008 · median 2000 among the 564 with a school on file
  • Record last updated2015 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Scott Aronson, MDSomerset, NJ 088731285655274
  2. Ira MerkelSomerset, NJ 088731336146125
  3. Sudha Nahar, M.D.Somerset, NJ 088731164463071
  4. Ritu Nahar, MDSomerset, NJ 088731801329651
  5. Lawrence Pickover, MDSomerset, NJ 088731326084310
  6. Anna Platovsky, M.D.Somerset, NJ 088731982966222
  7. Syed Shamim, MDSomerset, NJ 088731811985047
  8. Stephen Shapiro, MDSomerville, NJ 088761295773570

Common questions

What is William James Ferges, M.D.'s NPI number?

William James Ferges, M.D.'s National Provider Identifier (NPI) is 1982909040, issued on Jan 21, 2011. An NPI identifies a provider in billing; it is not a license.

Where is William James Ferges, M.D. located?

The NPPES record lists a practice address at 33 Clyde RD, Somerset, NJ, 08873. Phone: (732) 873-9200. Providers update this record themselves, so call before visiting.

How can I verify William James Ferges, M.D.'s license?

NPPES lists New Jersey license number 25MA08991500, 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 William James Ferges, M.D. prescribe under Medicare Part D?

In 2024, William James Ferges, M.D. had 1,324 Medicare Part D claims for 443 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is William James Ferges, 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.