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DR. WILLIAM TATSUO KASUMI M.D.
NPI 1649342627
Internal Medicine in Hackensack, NJ

Active since November 14, 2006PECOS EnrolledAccepts Medicare Assignment
401 HACKENSACK AVE, FL 5, HACKENSACK, NJ 07601(201) 678-1900 Get Directions Write a Review

NPPES record last updated: May 25, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Tatsuo Kasumi M.d. NPPES

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

DR. WILLIAM TATSUO KASUMI M.D. (NPI 1649342627) is an individual internal medicine provider in Hackensack, New Jersey, licensed in New Jersey (25MA06876200) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Hackensack University Medical Center, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1996).

NPPES Registry Identity

NPI1649342627
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM TATSUO KASUMICredential: M.D.
Location Address401 HACKENSACK AVE, FL 5Hackensack, NJ 07601-6406
Mailing Address401 Hackensack Ave, Fl 5Hackensack, NJ 07601-6406
Phone(201) 678-1900
Sole ProprietorYes
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1996
Enumeration DateNovember 14, 2006
Last NPPES UpdateMay 25, 2019
✔ NPI 1649342627 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NJ · 25MA06876200✔ Licensed in NY · 210028
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
401 HACKENSACK AVE, Hackensack, NJ 07601
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Other Names 1

Other Name (5)Dr. Tatsuo Kasumi

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. William Tatsuo Kasumi 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 ID7719919679
PECOS Enrollment IDI20100617000280
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 4

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 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.
72 services35 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.
70 services38 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
15 services12 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

Hackensack University Medical Center

Acute Care Hospitals · Hackensack, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310001
Location30 Prospect AveHackensack, NJ 07601 · Bergen County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07601 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.

Other Providers at the Same Location NPPES 3

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

BERGEN ORTHOPEDIC AND SPINE GROUP, LLC
Specialist
401 HACKENSACK AVE, 10TH FLOOR
HACKENSACK, NJ 07601
Bergen County (201) 343-3999
NEW JERSEY BORO MEDICAL, PC
Family Medicine
401 HACKENSACK AVE
HACKENSACK, NJ 07601
Bergen County (201) 546-7969
PASSAIC ORTHOPEDIC GROUP PC
Specialist
401 HACKENSACK AVE, FLOOR 10
HACKENSACK, NJ 07601
Bergen County (201) 343-3999

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 William Kasumi's NPI number?

The NPI number for William Kasumi is 1649342627. It was assigned to this individual provider in the NPPES registry on November 14, 2006. The provider is also known as Dr. Tatsuo Kasumi.

Where is William Kasumi located?

William Kasumi practices at 401 Hackensack Ave Fl 5, Hackensack, NJ 07601. The listed phone number is (201) 678-1900.

What is William Kasumi's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Kasumi enrolled in Medicare?

Yes. William Kasumi 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 William Kasumi affiliated with any hospitals?

According to CMS data, William Kasumi is affiliated with Hackensack University Medical Center.

When was this NPI record last updated?

The NPPES record for William Kasumi was last updated on May 25, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.