JEFFREY S UNGER MD
NPI 1104864487
Internal Medicine - Gastroenterology in Somerville, NJ

Q: What is Jeffrey Unger's NPI number?

The NPI number for Jeffrey Unger is 1104864487. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Q: What is Jeffrey Unger's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Unger was last updated on January 9, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 02, 2006PECOS EnrolledAccepts Medicare Assignment

58.34/100

CMS Quality Rating

286 E MAIN ST, SOMERVILLE, NJ 08876(908) 223-1199(908) 231-1612 Get Directions Write a Review

NPPES record last updated: January 9, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Jeffrey S Unger Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY S UNGER MD (NPI 1104864487) is an individual gastroenterology provider in Somerville, New Jersey, licensed in New Jersey (MA70901) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital - Somerset, and is a graduate of Boston University School Of Medicine (1994).

NPPES Registry Identity

NPI1104864487

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameJEFFREY S UNGERCredential: MD

Location Address286 E MAIN STSomerville, NJ 08876-3006

Mailing Address4 Green Mountain DrBasking Ridge, NJ 07920-2987 · (908) 306-3006 · Fax (908) 231-1612

Phone(908) 223-1199

Fax(908) 231-1612

Sole ProprietorNo

Medical School CMSBoston University School Of MedicineGraduated 1994

Enumeration DateJune 2, 2006

Last NPPES UpdateJanuary 9, 2009

✔ NPI 1104864487 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NJ · MA70901

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

286 E MAIN ST, Somerville, NJ 08876

Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type Unspecified038514NJ

Medicare UPINH17906NJ

Medicaid8286205NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jeffrey S Unger Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789598392

PECOS Enrollment IDI20031118000422

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

391 services266 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

126 services94 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

122 services95 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

72 services71 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

59 services59 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

34 services34 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

26 services26 patients

Measurement of hydrogen in breath to test for stomach and bowel symptoms 91065

This test involves breathing into a bag to measure hydrogen levels in your breath. High levels can indicate issues with food digestion or absorption in your stomach or intestines. It's non-invasive, painless, and helps diagnose certain gastrointestinal conditions.

20 services20 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

19 services19 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

17 services15 patients

Ultrasound of abdomen and pelvis artery and vein blood flow 93976

An ultrasound of your abdomen and pelvis arteries and veins is a non-invasive procedure that uses sound waves to create images of your blood vessels. This helps in assessing the flow of blood, identifying blockages, or detecting other abnormalities. It's a safe, painless process.

17 services15 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

14 services13 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Robert Wood Johnson University Hospital - Somerset

Acute Care Hospitals · Somerville, NJ

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310048

Location110 Rehill AveSomerville, NJ 08876 · Somerset County

Emergency services Birthing friendly

Saint Peter's University Hospital

Acute Care Hospitals · New Brunswick, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310070

Location254 Easton AveNew Brunswick, NJ 08901 · Middlesex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08876 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

58.34/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

49.64

Improvement Activities

Reported Quality Measures

Breast Cancer Screening

2%432 patients1/55-star benchmark: 93%

Cervical Cancer Screening

14%437 patients1/55-star benchmark: 98%

Chlamydia Screening for Women

0%22 patients

Closing the Referral Loop: Receipt of Specialist Report

21%151 patients1/55-star benchmark: 87%

Colorectal Cancer Screening

79%973 patients4/55-star benchmark: 88%

Documentation of Current Medications in the Medical Record

97%2,502 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

0%596 patients1/55-star benchmark: 100%

HIV Screening

0%956 patients1/55-star benchmark: 60%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

26%1,466 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

0%1,497 patients1/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

22%2,179 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 1% · 671 patients

1%671 patients

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 618 patients

Patients totalRate: 5% · 619 patients

5%619 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Leave this field empty

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GASTROMED HEALTHCARE, P.A.

Internal Medicine (Gastroenterology)

286 E MAIN ST
SOMERVILLE, NJ 08876

Somerset County (908) 231-1999

STEPHEN R SHAPIRO MD

Internal Medicine (Gastroenterology)

286 E MAIN ST
SOMERVILLE, NJ 08876

Somerset County (908) 231-1999

ROBERT S WIESEN MD

Internal Medicine (Gastroenterology)

286 E MAIN ST
SOMERVILLE, NJ 08876

Somerset County (908) 231-1999

KASEY CARMELLA OERTEL MA,LAMFT

Marriage & Family Therapist

286 E MAIN ST
SOMERVILLE, NJ 08876

Somerset County (908) 704-0011

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeffrey Unger's NPI number?

The NPI number for Jeffrey Unger is 1104864487. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Jeffrey Unger located?

Jeffrey Unger practices at 286 E Main St, Somerville, NJ 08876. The listed phone number is (908) 223-1199.

What is Jeffrey Unger's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Jeffrey Unger enrolled in Medicare?

Yes. Jeffrey Unger is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Jeffrey Unger accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Jeffrey Unger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jeffrey Unger affiliated with any hospitals?

According to CMS data, Jeffrey Unger is affiliated with Robert Wood Johnson University Hospital - Somerset and Saint Peter's University Hospital.

When was this NPI record last updated?

The NPPES record for Jeffrey Unger was last updated on January 9, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.