Active NPI 1841533502 Individual Practitioner Male Practitioner

Dr. Benjamin Tsai , MD

Hospitalist • Berkeley, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Benjamin Tsai, MD is a certified Hospitalist practicing in Berkeley, CA. With approximately 13 years of clinical experience since graduating from University Of California, San Diego School Of Medicine in 2013, Dr. Tsai delivers high-quality medical care to the local community at 2450 ASHBY AVE.

Dr. Tsai is affiliated with Sutter Bay Medical Foundation and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2450 Ashby Ave

Berkeley, CA 947052067

Telephone 5102044444

Associated Practice Facility / Clinic

🏢 Sutter East Bay Hospitals Facility NPI 1013906221

Medicare Profile & Education

Medical School

University Of California, San Diego School Of Medicine

Graduation Year

2013

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Hospitalist in Berkeley, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

13 Yrs -9.4 yrs vs City Avg

City Avg: 22.4 Yrs

State Avg: 20.1 Yrs

Regional Practice Density

33 Specialists

Practicing in Berkeley, CA (3108 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

71.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Tsai (13 Years) 13 Yrs

Berkeley Specialty Average (22.4 Years) 22.4 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	220	107	$365.00	$131.92
99239 Hospital discharge day management, more than 30 minutes	82	80	$378.00	$129.75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	35	35	$704.00	$192.87
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	27	15	$252.00	$87.41
99291 Critical care, first 30-74 minutes	16	16	$976.00	$230.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	558	215	$365.00	$134.83
99239 Hospital discharge day management, more than 30 minutes	159	158	$378.00	$131.56
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	44	44	$704.00	$196.54
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	39	18	$252.00	$89.67
99291 Critical care, first 30-74 minutes	29	27	$957.00	$236.69
99497 Advance care planning, first 30 minutes	16	12	$326.00	$86.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	501	183	$358.00	$114.70
99239 Hospital discharge day management, more than 30 minutes	142	139	$371.00	$119.94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	73	38	$247.00	$79.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	42	40	$690.00	$221.45
99291 Critical care, first 30-74 minutes	26	22	$938.00	$239.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	446	190	$348.00	$116.42
99239 Hospital discharge day management, more than 30 minutes	163	159	$360.00	$121.83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	107	62	$240.00	$80.99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	72	72	$670.00	$223.37
99231 Follow-up hospital inpatient care per day, typically 15 minutes	31	15	$132.00	$43.21
99291 Critical care, first 30-74 minutes	14	13	$911.00	$234.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	354	164	$360.00	$119.60
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	152	79	$251.00	$82.65
99239 Hospital discharge day management, more than 30 minutes	138	137	$372.00	$124.34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	81	81	$699.00	$231.35
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	20	$475.00	$156.17
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	12	$139.00	$44.89
99220 Hospital observation care, typically 70 minutes	16	16	$543.00	$211.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	470	217	$360.00	$115.50
99239 Hospital discharge day management, more than 30 minutes	146	142	$372.00	$121.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	137	135	$699.00	$224.86
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	108	64	$251.00	$80.48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$475.00	$151.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	88	37	$351.00	$116.29
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	84	82	$681.00	$226.06
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	33	12	$235.30	$76.72
99239 Hospital discharge day management, more than 30 minutes	23	22	$362.30	$121.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	33	11	$208.48	$71.37

Medical Specialties & State Licenses

CMS Verified: 2021-02-17

Hospitalist Primary Specialty

NUCC Taxonomy Code: 208M00000X

State License CA A132840

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License CA 1841533502

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.

Hospital & Practice Group Affiliations

Sutter Bay Medical Foundation

2450 Ashby Ave, Berkeley, CA 947052067

Phone: 5108696500

Secondary Practice Locations

4647 Zion Ave, Kaiser Permanente San Diego - Hospital Medicine

San Diego, CA 921202507

Phone: 6195285435

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Michael Sansait , DO

Internal Medicine

NPI 1023544509

Doctor of Osteopathic Medicine (D.O.)

Pamela Peters

Obstetrics & Gynecology

NPI 1043741531

Dr. Jenna Dean , MD

Hospitalist

NPI 1053795450

Doctor of Medicine (M.D.)

Dr. Kavita Patankar , MD

Hospitalist

NPI 1063445781

Doctor of Medicine (M.D.)

Cynthia Peery , PTA

Physical Therapy Assistant

NPI 1063736403

Physical Therapist Assistant

Dr. Judith Stanton , MD

Hospitalist

NPI 1093823254

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 February 17, 2021

Registered at 2450 ASHBY AVE, BERKELEY, CA 947052067 (Tel: 5102044444)

📍

Updated Business Mailing Address February 17, 2021

Registered at 325 DISTEL CIR, LOS ALTOS, CA 940221408 (Tel: 5102044444)

✅

NPI Profile Active May 31, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location May 31, 2016

Registered at 4647 ZION AVE, KAISER PERMANENTE SAN DIEGO - HOSPITAL MEDICINE, SAN DIEGO, CA 921202507 (Tel: 6195285435)

📍

Updated Business Mailing Address May 31, 2016

Registered at 4647 ZION AVE, KAISER PERMANENTE SAN DIEGO - HOSPITAL MEDICINE, SAN DIEGO, CA 921202507

👤

Provider Name / Credentials Updated May 31, 2016

Recorded as BENJAMIN TSAI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 31, 2016

Internal Medicine (License #1841533502 in CA)

🟢

Initial NPI Registration & Enumeration April 01, 2013

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Benjamin Tsai. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1841533502

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: April 01, 2013

Last Update: February 17, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

325 Distel Cir

Los Altos, CA 940221408

Phone: 5102044444

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.