Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. CHARLES A. EISENGART M.D.
NPI 1063465342
Colon & Rectal Surgery in Lawrenceville, NJ

Active since May 18, 2006PECOS Enrolled
93.71/100
CMS Quality Rating
3131 PRINCETON PIKE, BLDG 3C-201, LAWRENCEVILLE, NJ 08648(609) 896-1700(609) 896-1087 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Charles A. Eisengart M.d. NPPES

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

DR. CHARLES A. EISENGART M.D. (NPI 1063465342) is an individual colon & rectal surgery provider in Lawrenceville, New Jersey, licensed in New Jersey (MA074078) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital At Hamilton, and is a graduate of Tufts University School Of Medicine (1995).

NPPES Registry Identity

NPI1063465342
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameDR. CHARLES A. EISENGARTCredential: M.D.
Location Address3131 PRINCETON PIKE, BLDG 3C-201Lawrenceville, NJ 08648
Mailing Address3131 Princeton Pike, Bldg 3c-201Lawrenceville, NJ 08648 · (609) 896-1700 · Fax (609) 896-1087
Fax(609) 896-1087
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 1995
Enumeration DateMay 18, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1063465342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License Licensed in NJ · MA074078
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
3131 PRINCETON PIKE, Lawrenceville, NJ 08648

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. Charles A. Eisengart 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 ID1052215225
PECOS Enrollment IDI20031120000638
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 9

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.

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.
70 services70 patients
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.
56 services36 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.
47 services37 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
38 services36 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
27 services27 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.
25 services21 patients

Hospital Affiliations CMS Care Compare

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

Robert Wood Johnson University Hospital At Hamilton

Acute Care Hospitals · Hamilton, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310110
LocationOne Hamilton Health PlaceHamilton, NJ 08690 · Mercer County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08648 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
$94.90 typical visit price
range $61.59 – $185.05
Typical copayment $23.72 (range $15.39 – $46.26)
Most-billed visit code 99203
Established Patient
$76.45 typical visit price
range $20.08 – $150.98
Typical copayment $19.11 (range $5.02 – $37.74)
Most-billed visit code 99213
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.

93.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality77.79
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

Nurse Practitioner
3131 PRINCETON PIKE
LAWRENCEVILLE, NJ 08648
Orthopaedic Surgery
3131 PRINCETON PIKE, BUILDING 6, SUITE 106
LAWRENCEVILLE, NJ 08648
Internal Medicine
3131 PRINCETON PIKE, SUITE204
LAWRENCEVILLE, NJ 08648
Family Medicine (Sports Medicine)
3131 PRINCETON PIKE, BLDG. 4, SUITE 100
LAWRENCEVILLE, NJ 08648
Physical Therapist
3131 PRINCETON PIKE, BLDG 4, SUITE 100
LAWRENCEVILLE, NJ 08648
Family Medicine (Sports Medicine)
3131 PRINCETON PIKE, BLDG 4A, SUITE 100
LAWRENCEVILLE, NJ 08648
Physical Therapist
3131 PRINCETON PIKE, BLDG 4, SUITE 100
LAWRENCEVILLE, NJ 08648
Physical Therapist
3131 PRINCETON PIKE, BLDG 4, SUITE 100
LAWRENCEVILLE, NJ 08648

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 Charles Eisengart's NPI number?

The NPI number for Charles Eisengart is 1063465342. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Charles Eisengart located?

Charles Eisengart practices at 3131 Princeton Pike Bldg 3c-201, Lawrenceville, NJ 08648. The listed phone number is (609) 896-1700.

What is Charles Eisengart's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Charles Eisengart enrolled in Medicare?

Yes. Charles Eisengart 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 Charles Eisengart affiliated with any hospitals?

According to CMS data, Charles Eisengart is affiliated with Robert Wood Johnson University Hospital At Hamilton.

When was this NPI record last updated?

The NPPES record for Charles Eisengart was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.