Dr. William James Ferges, MD

  • East Brunswick, NJ
  • Gastroenterologist
NPI1982909040PAC ID0446477517
Medicare services, 2024
1,595
Medicare patients, 2024
612
Part D claims, 2024
1,324
Publications
2
MIPS score, 2024
98
Practice address
465 Cranbury Rd, East Brunswick, NJ 08816
Practice phone
Call (732) 432-6880
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rwj Endosurgical Center

East Brunswick, New Jersey

See all 7 affiliations

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Dr. William James Ferges is a gastroenterologist in East Brunswick, New Jersey

Dr. Ferges practices at Rwj Endosurgical Center in East Brunswick, New Jersey.

Dr. Ferges' NPI, 1982909040, was assigned on January 21, 2011. Dr. Ferges graduated from Georgetown University School of Medicine in 2008. Dr. Ferges holds New Jersey license 25MA08991500.

NPI and contact details
Medicare PAC ID
0446477517
NPI enumeration date
January 21, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(732) 432-6880
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William James Ferges practices at Rwj Endosurgical Center in East Brunswick, New Jersey

Dr. Ferges' primary practice is Rwj Endosurgical Center, at 465 Cranbury Rd, East Brunswick, NJ 08816 in Middlesex County. The practice phone is (732) 432-6880.

  • Rwj Endosurgical Center
    465 Cranbury Rd, East Brunswick, NJ 08816 · Middlesex CountyPhone(732) 432-6880

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. William James Ferges is affiliated with 5 sites of care and 2 medical groups

Dr. Ferges' primary practice is Rwj Endosurgical Center in East Brunswick, New Jersey. Dr. Ferges is also affiliated with Robert Wood Johnson University Hospital. The medical group on file is Allied Digestive Health. Dmand AI also links Dr. Ferges to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Ferges

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. William James Ferges' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ferges practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rwj Endosurgical CenterAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William James Ferges is one of 691 gastroenterologists in New Jersey

Gastroenterology is Dr. Ferges' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ferges is licensed in New Jersey.

Specialties and state licenses

  • Gastroenterology, New JerseyPrimaryLicense 25MA08991500 · taxonomy 207RG0100X

Gastroenterologists near Dr. Ferges

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William James Ferges billed Medicare for 1,595 services in 2024

CMS data shows 1,595 Medicare services from Dr. Ferges across 10 procedure codes in 2024, for 612 Medicare patients. Medicare paid $135,986 for them.

Medicare services, 20241,595
Medicare patients612
Paid by Medicare$135,986
Procedure codes10

Dr. Ferges' Medicare services by type, 2024

  1. Office and hospital visits725
  2. Other services507
  3. Surgery363

Where Dr. Ferges' Medicare services took place, 2024

  • In an office1,15873%
  • In a facility43727%

Dr. Ferges compared with the New Jersey median for gastroenterologists, 2024

  • Dr. Ferges
  • New Jersey median
Medicare services
1,595vs 6852.3 times
Medicare patients
612vs 37563% above
Part D claims
1,153vs 61189% above

Medians across 674 gastroenterologists in New Jersey with Dmand AI profiles that report each measure.

Dr. Ferges' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ferges

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ferges and other gastroenterologists in New Jersey.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William James Ferges treated 612 Medicare patients in 2024, average age 74

CMS counts 612 Medicare patients who saw Dr. Ferges in 2024. The largest group is 65 to 74, with 321 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.11, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ferges' median patient age at 66, with 46% women.

Medicare patients, 2024612
Average age74
Average risk score1.11

Dr. Ferges' Medicare patients by age, 2024

Dr. Ferges' Medicare patients by sex, 2024

  • Women32954%
  • Men28346%

Chronic conditions among Dr. Ferges' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Diabetes33%
  5. Ischemic heart disease30%
  6. Anxiety25%
  7. Cancer21%
  8. Chronic kidney disease21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ferges' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women46%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. William James Ferges wrote 1,324 Medicare Part D claims in 2024

In 2024, Dr. Ferges wrote 1,324 Medicare Part D claims for 443 patients. 85% of them were for generic drugs. CMS names the drug for 1,153 of them, across 15 drugs with 11 or more claims each, at $203,803 in total drug cost.

Part D claims, 20241,324
Drugs named by CMS15
Total drug cost$203,803
Part D patients443

Dr. Ferges' Part D claims by kind of drug, 2024

  • Generic1,129 claims85%
  • Brand-name195 claims15%

Dr. Ferges' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Ferges' Part D claims, 2024

  • Antibiotics3%35 of 1,324 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Ferges

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. William James Ferges scored 98 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Ferges for performance year 2024, reported as part of a group. Dr. Ferges accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ferges as offering telehealth. CMS counts 100 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Ferges, more than 77% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Ferges' MIPS scores, performance year 2024

  • 98of 100Final score
  • 98of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Ferges ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
77th percentile100 procedures
Colonoscopy
64th percentile50 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. William James Ferges has 2 publications on record

Dmand AI links 2 papers to Dr. Ferges in 2019. Dr. Ferges' most frequent co-authors are Kang H. Rah, MD and James Tse, MD, PhD.

Papers2

Dr. Ferges' most frequent co-authors

Recent publications by Dr. Ferges

See all 2 publications and co-authors

See who Dr. Ferges researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ferges works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. William James Ferges received $2,989 in industry payments from 2024 to 2025

CMS Open Payments shows 182 general payments to Dr. Ferges from 20 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $1,066.

General payments to Dr. Ferges by program year, 2024 to 2025

General payments to Dr. Ferges by kind, 2024 to 2025

$3Kin total
  • Food and beverage$2,93198%
  • Speaker and faculty fees$201%
  • Grants$201%
  • Education$181%

Companies that paid Dr. Ferges the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ferges

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William James Ferges graduated from Georgetown University School of Medicine

Dr. Ferges graduated from Georgetown University School of Medicine in 2008.

  1. Medical schoolGeorgetown University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. William James Ferges's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William James Ferges

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William James Ferges' NPI number?

Dr. William James Ferges' NPI number is 1982909040. It was assigned on January 21, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. William James Ferges?

Dr. William James Ferges is a gastroenterologist in East Brunswick, New Jersey. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. William James Ferges practice?

Dr. Ferges practices at 465 Cranbury Rd, East Brunswick, NJ 08816. Dr. Ferges' primary practice is Rwj Endosurgical Center in East Brunswick, New Jersey. Dmand AI also links Dr. Ferges to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. William James Ferges' office phone number?

The practice phone on file for Dr. Ferges is (732) 432-6880.

What is Dr. William James Ferges' medical license number?

Dr. Ferges holds New Jersey license 25MA08991500.

Which hospitals is Dr. William James Ferges affiliated with?

Dr. Ferges is affiliated with Robert Wood Johnson University Hospital. Dmand AI links Dr. Ferges to 1 more hospital.

What medical group is Dr. William James Ferges part of?

Dr. Ferges is linked to Allied Digestive Health. Dmand AI links Dr. Ferges to 1 more medical group.

Does Dr. William James Ferges accept Medicare?

Yes. CMS data shows Dr. Ferges billed Medicare for 1,595 services in 2024, and Dr. Ferges accepts Medicare assignment.

Does Dr. William James Ferges offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ferges as offering telehealth services.

What is Dr. William James Ferges' MIPS score?

Dr. Ferges' MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. William James Ferges see?

CMS counts 612 Medicare patients who saw Dr. Ferges in 2024, with an average age of 74.

What services does Dr. William James Ferges bill to Medicare?

In 2024, Dr. Ferges' most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and surgery: digestive system (45385).

Where did Dr. William James Ferges go to medical school?

Dr. Ferges graduated from Georgetown University School of Medicine in 2008.

What drugs does Dr. William James Ferges prescribe most?

In 2024 Medicare Part D data, Dr. Ferges' most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Famotidine.

Has Dr. William James Ferges received payments from drug or device companies?

CMS Open Payments shows $2,989 in general payments to Dr. Ferges from 20 companies from 2024 to 2025. The largest total came from Abbvie Inc.

How long has Dr. William James Ferges been practicing?

Dr. Ferges graduated from medical school in 2008, 18 years ago.

Does Dr. William James Ferges do research?

Dmand AI links 2 publications to Dr. Ferges.

Who does Dr. William James Ferges publish with?

Dr. Ferges' most frequent co-authors are Kang H. Rah, MD (1 shared paper) and James Tse, MD, PhD (1 shared paper).

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