Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JAMES PENN M.D.
NPI 1588094569
Internal Medicine - Gastroenterology in Edison, NJ

Active since November 12, 2013PECOS Enrolled
82.38/100
CMS Quality Rating
205 MAY ST STE 201, EDISON, NJ 08837(732) 661-9228(732) 661-9259 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 31, 2026, Jun 3, 2025, Nov 2, 2023 and 3 more (6 updates tracked since 2022).

About Dr. James Penn M.d. NPPES

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

DR. JAMES PENN M.D. (NPI 1588094569) is an individual gastroenterology provider in Edison, New Jersey, licensed in New Jersey (25MA09660900) and active in the NPI registry since November 2013. He is enrolled in Medicare PECOS, is affiliated with Jfk Medical Center, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (2012).

NPPES Registry Identity

NPI1588094569
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JAMES PENNCredential: M.D.
Location Address205 MAY ST STE 201Edison, NJ 08837-3267
Mailing Address205 May St Ste 201Edison, NJ 08837-3267 · (732) 661-9228 · Fax (732) 661-9259
Fax(732) 661-9259
Sole ProprietorYes
Medical School CMSRutgers R W Johnson Medical School (cam/new Bruns/pisc)Graduated 2012
Enumeration DateNovember 12, 2013
Last NPPES UpdateJuly 31, 20266 updates tracked since enumeration
NPPES CertifiedJuly 31, 2026
NPI 1588094569 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 · 25MA09660900
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.
205 MAY ST STE 201, Edison, NJ 08837

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

Dr. James Penn M.d. 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 ID9931414174
PECOS Enrollment IDI20150817001566
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 12

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
388 services178 patients
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.
299 services204 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
107 services95 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.
101 services101 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.
71 services71 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.
70 services67 patients

Hospital Affiliations CMS Care Compare

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

Jfk Medical Center

Acute Care Hospitals · Edison, NJ
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310108
Location65 James StreetEdison, NJ 08820 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08837 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.

82.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.72
Promoting Interoperability92
Improvement Activities40
Cost57.21

Other Providers at the Same Location NPPES

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

Internal Medicine (Gastroenterology)
205 MAY ST STE 201
EDISON, NJ 08837

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 James Penn's NPI number?

The NPI number for James Penn is 1588094569. It was assigned to this individual provider in the NPPES registry on November 12, 2013.

Where is James Penn located?

James Penn practices at 205 May St Ste 201, Edison, NJ 08837. The listed phone number is (732) 661-9228.

What is James Penn's specialty?

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

Is James Penn enrolled in Medicare?

Yes. James Penn 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.

Is James Penn affiliated with any hospitals?

According to CMS data, James Penn is affiliated with Jfk Medical Center.

When was this NPI record last updated?

The NPPES record for James Penn was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.