MATTHEW TSAI M.D., PH.D
NPI 1285051177
Internal Medicine - Gastroenterology in San Diego, CA

Active since March 28, 2014PECOS EnrolledAccepts Medicare Assignment
200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273 Get Directions Write a Review

NPPES record last updated: December 17, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 17, 2019, Jun 30, 2016 (2 updates tracked since 2016).

About Matthew Tsai M.d., Ph.d NPPES

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

MATTHEW TSAI M.D., PH.D (NPI 1285051177) is an individual gastroenterology provider in San Diego, California, licensed in California (A138084) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS and is a graduate of University Of Miami, Lm Miller School Of Medicine (2014).

NPPES Registry Identity

NPI1285051177
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMATTHEW TSAICredential: M.D., PH.D
Location Address200 W ARBOR DRSan Diego, CA 92103-9000
Mailing AddressPo Box 232410San Diego, CA 92193-2410
Sole ProprietorNo
Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 2014
Enumeration DateMarch 28, 2014
Last NPPES UpdateDecember 17, 20192 updates tracked since enumeration
NPI 1285051177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CA · A138084
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
200 W ARBOR DR, San Diego, CA 92103

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

Matthew Tsai M.d., Ph.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 ID9739473398
PECOS Enrollment IDI20200114003694
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 8

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 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.
67 services46 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
63 services62 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
44 services44 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
43 services43 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.
15 services15 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Internal Medicine (Geriatric Medicine)
200 W ARBOR DR
SAN DIEGO, CA 92103
Hospice, Inpatient
200 W ARBOR DR
SAN DIEGO, CA 92103
Anesthesiology
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner (Psychiatric/Mental Health)
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR
SAN DIEGO, CA 92103
Physician Assistant (Surgical)
200 W ARBOR DR
SAN DIEGO, CA 92103

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 Matthew Tsai's NPI number?

The NPI number for Matthew Tsai is 1285051177. It was assigned to this individual provider in the NPPES registry on March 28, 2014.

Where is Matthew Tsai located?

Matthew Tsai practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.

What is Matthew Tsai's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Matthew Tsai enrolled in Medicare?

Yes. Matthew 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.

When was this NPI record last updated?

The NPPES record for Matthew Tsai was last updated on December 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.