Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STACY TSAI
NPI 1366897456
Internal Medicine - Cardiovascular Disease in Santa Monica, CA

Q: What is Stacy Tsai's NPI number?

The NPI number for Stacy Tsai is 1366897456. It was assigned to this individual provider in the NPPES registry on April 26, 2016.

Q: What is Stacy Tsai's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Stacy Tsai was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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 26, 2016PECOS Enrolled

2001 SANTA MONICA BLVD STE 280W, SANTA MONICA, CA 90404(310) 829-7678 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 30, 2026, Jun 3, 2026, Dec 5, 2025 and 3 more (6 updates tracked since 2024).

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About Stacy Tsai NPPES

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

STACY TSAI (NPI 1366897456) is an individual cardiovascular disease provider in Santa Monica, California, licensed in California (A153266) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1366897456

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameSTACY TSAI

Location Address2001 SANTA MONICA BLVD STE 280WSanta Monica, CA 90404-2172

Mailing Address4140 W 190th St Fl 2Torrance, CA 90504-5513 · (310) 829-7678

Phone(310) 829-7678

Sole ProprietorYes

Medical School CMSOtherGraduated 2016

Enumeration DateApril 26, 2016

Last NPPES UpdateJuly 30, 20266 updates tracked since enumeration

NPPES CertifiedJuly 30, 2026

✔ NPI 1366897456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in CA · A153266✔ Licensed in TN · 71108

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License 71108 (TN)

Also ListedInternal Medicine · Advanced Heart Failure and Transplant CardiologyTaxonomy 207RA0001X · License 71108 (TN)

2001 SANTA MONICA BLVD STE 280W, Santa Monica, CA 90404

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Secondary Practice Locations 3

Location 12220 Pierce Avenue, 383 Preston Research BuildingNashville, TN 37232-6300 · Phone (615) 322-5000

Location 2647 Dunlop Ln Ste 100Clarksville, TN 37040-5165 · Phone (615) 875-3104

Location 33601 The Vanderbilt ClinicNashville, TN 37232-6300 · Phone (615) 322-5000

Other Identifiers 1

MedicaidQ083960TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., BlueCross BlueShield of Tennessee, Oscar Insurance Company.Insurance ›

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

Stacy Tsai 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 ID6507293305

PECOS Enrollment IDI20240718003291

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 3

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 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.

50 services15 patients

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.

22 services20 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.

14 services14 patients

Hospital Affiliations CMS Care Compare

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

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440039

Location1211 Medical Center DriveNashville, TN 37232 · Davidson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90404 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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 20

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

DR. CHRISTIANE A. SCHAEFFLER M.D.

Internal Medicine (Cardiovascular Disease)