DR. WILLIAM JAMES FERGES M.D.
Prescription History 1982909040
Internal Medicine - Gastroenterology in Somerset, NJ

Active since January 21, 2011PECOS EnrolledAccepts Medicare Assignment
97.45/100
CMS Quality Rating
33 CLYDE RD, SUITE 102, SOMERSET, NJ 08873(732) 873-9200(732) 873-1699 Get Directions

NPPES record last updated: March 31, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. WILLIAM JAMES FERGES M.D., an active Gastroenterology specialist practicing in Somerset, NJ. Our medical registry currently tracks 14 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 1,045 documented patient claims. Among these therapy options, the most frequently utilized medication is Omeprazole, which accounts for 303 claims alone. Use the table below to sort by claims, cost, or utilization compared with the state average; select any medication for its full profile.

14
Medications
1,045
Total Claims
2,511
30-Day Fills
Omeprazole
Most Prescribed · 303 claims
View details
14 medications · 2023 Medicare Part D
Medicare Part D medications prescribed by DR. WILLIAM JAMES FERGES M.D. in 2023, with prescription volumes, average cost per fill, and NJ state comparisons
Medication Prescriptions (2023)Rx (2023) Avg Cost per FillCost / Fill Vs. Other NJ PrescribersVs. NJ Avg

About Omeprazole: Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers). Show more ▾

It works by decreasing the amount of acid your stomach makes. It relieves symptoms such as heartburn, difficulty swallowing, and cough. This medication helps heal acid damage to the stomach and esophagus, helps prevent ulcers, and may help prevent cancer of the esophagus. Omeprazole belongs to a class of drugs known as proton pump inhibitors (PPIs). If you are self-treating with this medication, over-the-counter omeprazole products are used to treat frequent heartburn (occurring 2 or more days a week). Since it may take 1 to 4 days to have full effect, these products do not relieve heartburn right away. For over-the-counter products, carefully read the package instructions to make sure the product is right for you. Check the ingredients on the label even if you have used the product before. The manufacturer may have changed the ingredients. Also, products with similar brand names may contain different ingredients meant for different purposes. Taking the wrong product could harm you. A 4-methoxy-3,5-dimethylpyridyl, 5-methoxybenzimidazole derivative of timoprazole that is used in the therapy of STOMACH ULCERS and ZOLLINGER-ELLISON SYNDROME. The drug inhibits an H(+)-K(+)-EXCHANGING ATPASE which is found in GASTRIC PARIETAL CELLS.

In 2023, this provider wrote 303 Medicare prescriptions for Omeprazole, about 3.9 times the volume of the typical New Jersey prescriber of this medication (78). Medicare paid an average of $16.80 per fill, versus $15.71 statewide.

How often this provider prescribes it

This provider
303
NJ average
78.0

This provider prescribes this medication more often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$16.80
NJ average
$15.71

Gross Part D cost per fill; not the patient's out-of-pocket price.

833
30-Day Fills
standardized to 30-day supplies
24,958
Days of Medication
total across all patients in 2023

About Pantoprazole Sodium: Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux). Show more ▾

It works by decreasing the amount of acid your stomach makes. This medication relieves symptoms such as heartburn, difficulty swallowing, and cough. It helps heal acid damage to the stomach and esophagus, helps prevent ulcers, and may help prevent cancer of the esophagus. Pantoprazole belongs to a class of drugs known as proton pump inhibitors (PPIs). 2-pyridinylmethylsulfinylbenzimidazole proton pump inhibitor that is used in the treatment of GASTROESOPHAGEAL REFLUX and PEPTIC ULCER.

In 2023, this provider wrote 182 Medicare prescriptions for Pantoprazole Sodium, about 2.4 times the volume of the typical New Jersey prescriber of this medication (77). Medicare paid an average of $16.39 per fill, versus $18.13 statewide.

How often this provider prescribes it

This provider
182
NJ average
77.0

This provider prescribes this medication more often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$16.39
NJ average
$18.13

This provider's average cost per fill is below the NJ average for this medication.

515
30-Day Fills
standardized to 30-day supplies
15,418
Days of Medication
total across all patients in 2023

About Famotidine: Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed. Show more ▾

This medication is also used to treat certain stomach and throat (esophagus) problems (such as erosive esophagitis, gastroesophageal reflux disease-GERD, Zollinger-Ellison syndrome). It works by decreasing the amount of acid your stomach makes. It relieves symptoms such as cough that doesn't go away, stomach pain, heartburn, and difficulty swallowing. Famotidine belongs to a class of drugs known as H2 blockers. This medication is also available without a prescription. It is used to prevent and treat heartburn and other symptoms caused by too much acid in the stomach (acid indigestion). If you are taking this medication for self-treatment, it is important to read the manufacturer's package instructions carefully so you know when to consult your doctor or pharmacist. A competitive histamine H2-receptor antagonist. Its main pharmacodynamic effect is the inhibition of gastric secretion.

In 2023, this provider wrote 160 Medicare prescriptions for Famotidine, about 6.2 times the volume of the typical New Jersey prescriber of this medication (26). Medicare paid an average of $19.99 per fill, versus $8.42 statewide.

How often this provider prescribes it

This provider
160
NJ average
26.0

This provider prescribes this medication more often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$19.99
NJ average
$8.42

Gross Part D cost per fill; not the patient's out-of-pocket price.

467
30-Day Fills
standardized to 30-day supplies
14,010
Days of Medication
total across all patients in 2023

About Sod Sulf-Potass Sulf-Mag Sulf: Sodium/potassium/magnesium sulfate solution is used to clean out the intestines before a certain bowel exam procedure (colonoscopy). Show more ▾

It is a laxative that works by drawing large amounts of water into the colon. This causes watery bowel movements. Clearing stool from the intestines helps your doctor to better examine the intestines during your procedure.

In 2023, this provider wrote 98 Medicare prescriptions for Sod Sulf-Potass Sulf-Mag Sulf, about 4.9 times the volume of the typical New Jersey prescriber of this medication (20). Medicare paid an average of $80.81 per fill, versus $82.39 statewide.

How often this provider prescribes it

This provider
98
NJ average
20.0

This provider prescribes this medication more often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$80.81
NJ average
$82.39

This provider's average cost per fill is below the NJ average for this medication.

98
30-Day Fills
standardized to 30-day supplies
161
Days of Medication
total across all patients in 2023

About Esomeprazole Magnesium: Esomeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers). Show more ▾

It works by decreasing the amount of acid your stomach makes. It relieves symptoms such as heartburn, difficulty swallowing, and cough. This medication helps heal acid damage to the stomach and esophagus, helps prevent ulcers, and may help prevent cancer of the esophagus. Esomeprazole belongs to a class of drugs known as proton pump inhibitors (PPIs). If you are self-treating with this medication, over-the-counter esomeprazole products are used to treat frequent heartburn (occurring 2 or more days a week). Since it may take 1 to 4 days to have full effect, these products do not relieve heartburn right away. For over-the-counter products, carefully read the package instructions to make sure the product is right for you. Check the ingredients on the label even if you have used the product before. The manufacturer may have changed the ingredients. Also, products with similar brand names may contain different ingredients meant for different purposes. Taking the wrong product could harm you. The S-isomer of omeprazole.

In 2023, this provider wrote 55 Medicare prescriptions for Esomeprazole Magnesium, about 1.8 times the volume of the typical New Jersey prescriber of this medication (30). Medicare paid an average of $35.92 per fill, versus $88.19 statewide.

How often this provider prescribes it

This provider
55
NJ average
30.0

This provider prescribes this medication more often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$35.92
NJ average
$88.19

This provider's average cost per fill is below the NJ average for this medication.

165
30-Day Fills
standardized to 30-day supplies
4,950
Days of Medication
total across all patients in 2023

About Sutab: This product is used to clean out the intestines before a certain bowel exam procedure (colonoscopy). Show more ▾

It is a laxative that works by drawing large amounts of water into the colon. This causes watery bowel movements. Clearing stool from the intestines helps your doctor to better examine the intestines during your procedure.

In 2023, this provider wrote 52 Medicare prescriptions for Sutab, about 1.4 times the volume of the typical New Jersey prescriber of this medication (36). Medicare paid an average of $161.09 per fill, versus $160.26 statewide.

How often this provider prescribes it

This provider
52
NJ average
36.0

This provider prescribes this medication more often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$161.09
NJ average
$160.26

Gross Part D cost per fill; not the patient's out-of-pocket price.

52
30-Day Fills
standardized to 30-day supplies
717
Days of Medication
total across all patients in 2023

About Linzess: See also Warning section. Show more ▾

Linaclotide is used to treat certain types of bowel problems (irritable bowel syndrome with constipation, chronic idiopathic constipation). It works by increasing fluid in your intestines and helping speed up movement of food through the gut. Linaclotide may improve stool texture and lessen symptoms such as bloating, abdominal pain/discomfort, straining, and feelings of incomplete bowel movements.

In 2023, this provider wrote 50 Medicare prescriptions for Linzess, about 1.3 times the volume of the typical New Jersey prescriber of this medication (39). Medicare paid an average of $1,120.88 per fill, versus $788.25 statewide.

How often this provider prescribes it

This provider
50
NJ average
39.0

This provider prescribes this medication more often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$1,120.88
NJ average
$788.25

Gross Part D cost per fill; not the patient's out-of-pocket price.

109
30-Day Fills
standardized to 30-day supplies
3,270
Days of Medication
total across all patients in 2023

In 2023, this provider wrote 41 Medicare prescriptions for Dicyclomine Hcl, about 1.3 times the volume of the typical New Jersey prescriber of this medication (32). Medicare paid an average of $38.58 per fill, versus $23.86 statewide.

How often this provider prescribes it

This provider
41
NJ average
32.0

This provider prescribes this medication more often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$38.58
NJ average
$23.86

Gross Part D cost per fill; not the patient's out-of-pocket price.

85
30-Day Fills
standardized to 30-day supplies
2,470
Days of Medication
total across all patients in 2023

About Mesalamine: This medication is used to treat a certain bowel disease (ulcerative colitis). Show more ▾

It helps to reduce symptoms of ulcerative colitis such as diarrhea, rectal bleeding, and stomach pain. Mesalamine belongs to a class of drugs known as aminosalicylates. It works by decreasing swelling in the colon. An anti-inflammatory agent, structurally related to the SALICYLATES, which is active in INFLAMMATORY BOWEL DISEASE. It is considered to be the active moiety of SULPHASALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed)

In 2023, this provider wrote 33 Medicare prescriptions for Mesalamine, about 1.2 times the volume of the typical New Jersey prescriber of this medication (28). Medicare paid an average of $1,020.68 per fill, versus $834.16 statewide.

How often this provider prescribes it

This provider
33
NJ average
28.0

This provider's prescribing volume for this medication is in line with the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$1,020.68
NJ average
$834.16

Gross Part D cost per fill; not the patient's out-of-pocket price.

80.6
30-Day Fills
standardized to 30-day supplies
2,416
Days of Medication
total across all patients in 2023

About Mesalamine Er: This medication is used to treat a certain bowel disease (ulcerative colitis). Show more ▾

It helps to reduce symptoms of ulcerative colitis such as diarrhea, rectal bleeding, and stomach pain. Mesalamine belongs to a class of drugs known as aminosalicylates. It works by decreasing swelling in the colon. An anti-inflammatory agent, structurally related to the SALICYLATES, which is active in INFLAMMATORY BOWEL DISEASE. It is considered to be the active moiety of SULPHASALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed)

In 2023, this provider wrote 22 Medicare prescriptions for Mesalamine Er, about 1.3 times the volume of the typical New Jersey prescriber of this medication (17). Medicare paid an average of $348.06 per fill, versus $635.16 statewide.

How often this provider prescribes it

This provider
22
NJ average
17.0

This provider prescribes this medication more often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$348.06
NJ average
$635.16

This provider's average cost per fill is below the NJ average for this medication.

35.3
30-Day Fills
standardized to 30-day supplies
1,060
Days of Medication
total across all patients in 2023

About Remicade: This medication is used to treat certain types of arthritis (rheumatoid arthritis, arthritis of the spine, psoriatic arthritis), certain bowel diseases (Crohn's disease, ulcerative colitis), and a certain severe skin disease (chronic plaque psoriasis). Show more ▾

In these conditions, the body's defense system (immune system) attacks healthy tissues. Infliximab works by blocking the actions of a certain natural substance (tumor necrosis factor alpha) in the body. This helps to decrease swelling (inflammation) and weaken your immune system, which slows or stops the damage from the disease. This monograph is about the following infliximab products: infliximab, infliximab-abda, infliximab-axxq, and infliximab-dyyb. A chimeric monoclonal antibody to TNF-ALPHA that is used in the treatment of RHEUMATOID ARTHRITIS; ANKYLOSING SPONDYLITIS; PSORIATIC ARTHRITIS and CROHN'S DISEASE.

In 2023, this provider wrote 14 Medicare prescriptions for Remicade, about half the volume of the typical New Jersey prescriber of this medication (25). Medicare paid an average of $4,853.24 per fill, versus $6,776.64 statewide.

How often this provider prescribes it

This provider
14
NJ average
25.0

This provider prescribes this medication less often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$4,853.24
NJ average
$6,776.64

This provider's average cost per fill is below the NJ average for this medication.

22.6
30-Day Fills
standardized to 30-day supplies
658
Days of Medication
total across all patients in 2023

About Dexlansoprazole Dr: Dexlansoprazole is used to treat certain stomach and esophagus problems (such as acid reflux). Show more ▾

It works by decreasing the amount of acid your stomach makes. It relieves symptoms such as heartburn, difficulty swallowing, and cough. This medication helps heal acid damage to the stomach and esophagus, helps prevent ulcers, and may help prevent cancer of the esophagus. Dexlansoprazole belongs to a class of drugs known as proton pump inhibitors (PPIs). Dexlansoprazole is not recommended for use in children younger than 2 years due to an increased risk of serious side effects. Ask the doctor or pharmacist for details. The R-isomer of lansoprazole that is used to treat severe GASTROESOPHAGEAL REFLUX DISEASE.

In 2023, this provider wrote 12 Medicare prescriptions for Dexlansoprazole Dr, about half the volume of the typical New Jersey prescriber of this medication (21). Medicare paid an average of $335.02 per fill, versus $456.66 statewide.

How often this provider prescribes it

This provider
12
NJ average
21.0

This provider prescribes this medication less often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$335.02
NJ average
$456.66

This provider's average cost per fill is below the NJ average for this medication.

18
30-Day Fills
standardized to 30-day supplies
540
Days of Medication
total across all patients in 2023

About Plenvu: PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays. Show more ▾

It is a laxative that works by drawing large amounts of water into the colon. This effect results in watery bowel movements. Clearing stool from the intestines helps your doctor to better examine the intestines during your procedure.

In 2023, this provider wrote 12 Medicare prescriptions for Plenvu, about half the volume of the typical New Jersey prescriber of this medication (25). Medicare paid an average of $141.55 per fill, versus $138.03 statewide.

How often this provider prescribes it

This provider
12
NJ average
25.0

This provider prescribes this medication less often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$141.55
NJ average
$138.03

Gross Part D cost per fill; not the patient's out-of-pocket price.

12
30-Day Fills
standardized to 30-day supplies
302
Days of Medication
total across all patients in 2023

About Viberzi: This medication is used to treat a certain stomach/abdominal disorder (irritable bowel syndrome with diarrhea, or IBS-D). Show more ▾

It works by slowing down the motion in your gut. This effect helps lessen symptoms such as belly pain and diarrhea.

In 2023, this provider wrote 11 Medicare prescriptions for Viberzi, about 69% of the volume of the typical New Jersey prescriber of this medication (16). Medicare paid an average of $2,302.60 per fill, versus $1,479.85 statewide.

How often this provider prescribes it

This provider
11
NJ average
16.0

This provider prescribes this medication less often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$2,302.60
NJ average
$1,479.85

Gross Part D cost per fill; not the patient's out-of-pocket price.

18
30-Day Fills
standardized to 30-day supplies
470
Days of Medication
total across all patients in 2023
No medications match the current filters.
= the 5 medications this provider prescribes most. More than typical Typical Less than typical= prescription volume vs the average NJ prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the NJ average cost per fill.

About this data. The prescription history for DR. WILLIAM JAMES FERGES M.D. is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2023, the most recent federal release. Figures cover prescriptions filled for Medicare Part D beneficiaries only; prescriptions under private insurance, Medicaid, or self-pay plans are not included. Because prescribing decisions are generally consistent across coverage types, this record offers a useful view of the overall Gastroenterology prescribing approach at this Somerset, NJ practice.

Reading the costs. Drug costs are gross amounts paid to pharmacies under Part D, including both plan and beneficiary payments. They are not the price a patient pays at the pharmacy counter. Medications with fewer than 11 claims are excluded from the federal source data, and state comparisons use the average volume among NJ prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.