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Active NPI 1649342627 Individual Practitioner Male Practitioner

Dr. William Tatsuo Kasumi , MD

Internal Medicine • Hackensack, NJ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Kasumi, MD is a certified Internal Medicine practicing in Hackensack, NJ. With approximately 30 years of clinical experience since graduating from Albert Einstein College Of Medicine Of Yeshiva University in 1996, Dr. Kasumi delivers high-quality medical care to the local community at 401 HACKENSACK AVE.

Dr. Kasumi accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of needle into vein for collection of blood sample, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

401 Hackensack Ave
Fl 5

Hackensack, NJ 076016406

Telephone 2016781900
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Albert Einstein College Of Medicine Of Yeshiva University

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Hackensack, NJ

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
30 Yrs +12.2 yrs vs City Avg
City Avg: 17.8 Yrs
State Avg: 30.1 Yrs
Regional Practice Density
104 Specialists

Practicing in Hackensack, NJ (4957 Statewide)

Telehealth Adoption Rate
22.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
6.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kasumi (30 Years) 30 Yrs
Hackensack Specialty Average (17.8 Years) 17.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
72 35 $151.43 $140.57
36415 Insertion of needle into vein for collection of blood sample
70 38 $6.00 $5.88
G0008 Administration of influenza virus vaccine
15 15 $40.00 $35.50
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
15 12 $189.87 $180.78

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License NJ 25MA06876200

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License NY 210028

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Dr. Asao Kasumi , MD

Internal Medicine - Gastroenterology

NPI 1235278391

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location May 25, 2019

Registered at 401 HACKENSACK AVE, FL 5, HACKENSACK, NJ 076016406 (Tel: 2016781900)

📍
Updated Business Mailing Address May 25, 2019

Registered at 401 HACKENSACK AVE, FL 5, HACKENSACK, NJ 076016406

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 401 HACKENSACK AVE STE 501, HACKENSACK, NJ 076016411 (Tel: 2016781900)

📍
Updated Business Mailing Address July 08, 2007

Registered at 401 HACKENSACK AVE STE 501, HACKENSACK, NJ 076016411

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as WILLIAM KASUMI, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #25MA06876200 in NJ)

🟢
Initial NPI Registration & Enumeration November 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1649342627
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 14, 2006
Last Update: May 25, 2019
Sole Proprietor: Yes

Mailing Address

401 Hackensack Ave, Fl 5

Hackensack, NJ 076016406

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.