WILLIAM W KESSLER MD
NPI 1083710842
Internal Medicine - Medical Oncology in Elizabeth, NJ

Q: What is William Kessler's NPI number?

The NPI number for William Kessler is 1083710842. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Q: What is William Kessler's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for William Kessler was last updated on March 26, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 September 16, 2006PECOS Enrolled

225 WILLIAMSON ST, ELIZABETH, NJ 07202(908) 355-9177(908) 355-9583 Get Directions Write a Review

NPPES record last updated: March 26, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About William W Kessler Md NPPES

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

WILLIAM W KESSLER MD (NPI 1083710842) is an individual medical oncology provider in Elizabeth, New Jersey, licensed in New Jersey (MA033567) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083710842

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameWILLIAM W KESSLERCredential: MD

Location Address225 WILLIAMSON STElizabeth, NJ 07202-3625

Mailing Address225 Williamson StElizabeth, NJ 07202-3625 · (908) 355-9177 · Fax (908) 355-9583

Phone(908) 355-9177

Fax(908) 355-9583

Sole ProprietorYes

Enumeration DateSeptember 16, 2006

Last NPPES UpdateMarch 26, 2013

✔ NPI 1083710842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in NJ · MA033567

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

225 WILLIAMSON ST, Elizabeth, NJ 07202

Open in Google Maps ↗

Other Identifiers 3

Medicare UPIND18833NJ

Medicaid0563706NJ

Medicare ID-Type Unspecified444139NJ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William W Kessler Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 3

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 straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

43 services19 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.

23 services13 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.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07202 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

$190.92 typical visit price

range $63.84 – $190.92

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

Most-billed visit code 99205

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers11 claims308 services$0.59 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. SUBUTAY BERKE BOZKURT MD

Student in an Organized Health Care Education/Training Program