DR. BENJAMIN TSAI M.D.
NPI 1841533502
Hospitalist in Berkeley, CA

Q: What is Benjamin Tsai's NPI number?

The NPI number for Benjamin Tsai is 1841533502. It was assigned to this individual provider in the NPPES registry on April 1, 2013.

Q: What is Benjamin Tsai's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Benjamin Tsai was last updated on February 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 April 01, 2013PECOS EnrolledAccepts Medicare Assignment

2450 ASHBY AVE, BERKELEY, CA 94705(510) 204-4444 Get Directions Write a Review

NPPES record last updated: February 17, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Benjamin Tsai M.d. NPPES

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

DR. BENJAMIN TSAI M.D. (NPI 1841533502) is an individual hospitalist provider in Berkeley, California, licensed in California (A132840) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2013).

NPPES Registry Identity

NPI1841533502

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameDR. BENJAMIN TSAICredential: M.D.

Location Address2450 ASHBY AVEBerkeley, CA 94705-2067

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (510) 204-4444

Phone(510) 204-4444

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2013

Enumeration DateApril 1, 2013

Last NPPES UpdateFebruary 17, 2021

NPPES CertifiedFebruary 17, 2021

✔ NPI 1841533502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CA · A132840

Definition

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 1841533502 (CA)

2450 ASHBY AVE, Berkeley, CA 94705

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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. Benjamin Tsai 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 ID2668693953

PECOS Enrollment IDI20160908001609

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 5

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 moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

220 services107 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

82 services80 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.

35 services35 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.

27 services15 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94705 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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 20

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

ALTA EAST BAY PATHOLOGY, INC.

Pathology (Anatomic Pathology & Clinical Pathology)