PETER I TSAI M.D.
NPI 1265684583
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Honolulu, HI

Active since October 17, 2008PECOS EnrolledAccepts Medicare Assignment
550 S BERETANIA ST STE 702, HONOLULU, HI 96813(808) 691-8852 Get Directions Write a Review

NPPES record last updated: November 2, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Peter I Tsai M.d. NPPES

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

PETER I TSAI M.D. (NPI 1265684583) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Honolulu, Hawaii, licensed in Hawaii (MD19918) and active in the NPI registry since October 2008. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of University Of Southern California Keck School Of Medicine (1996).

NPPES Registry Identity

NPI1265684583
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NamePETER I TSAICredential: M.D.
Location Address550 S BERETANIA ST STE 702Honolulu, HI 96813-2496
Mailing Address550 S Beretania St Ste 702Honolulu, HI 96813-2496 · (808) 691-8852 · Fax (808) 691-8861
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1996
Enumeration DateOctober 17, 2008
Last NPPES UpdateNovember 2, 2018
✔ NPI 1265684583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
Licenses✔ Licensed in HI · MD19918✔ Licensed in TX · N1192
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
550 S BERETANIA ST STE 702, Honolulu, HI 96813

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Peter I 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 ID2264594597
PECOS Enrollment IDI20181127003444
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Peter Tsai reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
1301 PUNCHBOWL ST
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 859 clinicians in this Medicare group
General Acute Care Hospital
1301 PUNCHBOWL ST
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • Medicare enrollment name: The Queens Medical Center
  • 809 clinicians in this Medicare group
Health Maintenance Organization
3288 MOANALUA RD
Honolulu, HI 96819
  • Reassigned Medicare billing, Hawaii enrollment
  • 1,187 clinicians in this Medicare group
Internal Medicine
6620 MAIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,296 clinicians in this Medicare group
Medical Genetics, Ph.D. Medical Genetics
7200 CAMBRIDGE ST FL 10
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,554 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

Replacement of aortic valve through the skin and femoral artery 33361
This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.
21 services21 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
16 services16 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
12 services12 patients
Coronary artery bypass using artery graft, 1 graft 33533
A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.
11 services11 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
11 services11 patients
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.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

The Queens Medical Center

Acute Care Hospitals · Honolulu, HI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120001
Location1301 Punchbowl StHonolulu, HI 96813 · Honolulu County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96813 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
$180.05 typical visit price
range $60.53 – $180.05
Typical copayment $45.01 (range $15.13 – $45.01)
Most-billed visit code 99205
Established Patient
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
Most-billed visit code 99213
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 5

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

Internal Medicine (Interventional Cardiology)
550 S BERETANIA ST STE 702
HONOLULU, HI 96813
Internal Medicine (Interventional Cardiology)
550 S BERETANIA ST STE 702
HONOLULU, HI 96813
Nurse Practitioner (Acute Care)
550 S BERETANIA ST STE 702
HONOLULU, HI 96813
Thoracic Surgery (Cardiothoracic Vascular Surgery)
550 S BERETANIA ST STE 702
HONOLULU, HI 96813
Nurse Practitioner (Family)
550 S BERETANIA ST STE 702
HONOLULU, HI 96813

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 Peter Tsai's NPI number?

The NPI number for Peter Tsai is 1265684583. It was assigned to this individual provider in the NPPES registry on October 17, 2008.

Where is Peter Tsai located?

Peter Tsai practices at 550 S Beretania St Ste 702, Honolulu, HI 96813. The listed phone number is (808) 691-8852.

What is Peter Tsai's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Peter Tsai enrolled in Medicare?

Yes. Peter Tsai 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.

Which organizations bill Medicare for Peter Tsai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Tsai reassigns Medicare benefits to 5 organizations: Queens University Medical Group (Honolulu, HI), The Queen's Medical Center (Honolulu, HI), Hawaii Permanente Medical Group Inc (Honolulu, HI), Baylor College Of Medicine (Houston, TX) and Baylor College Of Medicine (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Tsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Tsai accept?

Health plans from HMSA and Kaiser Permanente list Peter Tsai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Peter Tsai affiliated with any hospitals?

According to CMS data, Peter Tsai is affiliated with The Queens Medical Center.

When was this NPI record last updated?

The NPPES record for Peter Tsai was last updated on November 2, 2018. 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.