DR. THOMAS SHENGYUAN YU M.D.
NPI 1588844104
Internal Medicine in San Gabriel, CA

Q: What is Thomas Yu's NPI number?

The NPI number for Thomas Yu is 1588844104. It was assigned to this individual provider in the NPPES registry on November 12, 2007.

Q: What is Thomas Yu's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Yu was last updated on December 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 November 12, 2007PECOS EnrolledAccepts Medicare Assignment

1448 S SAN GABRIEL BLVD, SAN GABRIEL, CA 91776(626) 288-0300(626) 288-1402 Get Directions Write a Review

NPPES record last updated: December 10, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Thomas Shengyuan Yu M.d. NPPES

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

DR. THOMAS SHENGYUAN YU M.D. (NPI 1588844104) is an individual internal medicine provider in San Gabriel, California, licensed in California (G80626) and active in the NPI registry since November 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1993).

NPPES Registry Identity

NPI1588844104

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. THOMAS SHENGYUAN YUCredential: M.D.

Location Address1448 S SAN GABRIEL BLVDSan Gabriel, CA 91776-3656

Mailing Address1448 S San Gabriel BlvdSan Gabriel, CA 91776-3656 · (626) 288-0300 · Fax (626) 288-1402

Phone(626) 288-0300

Fax(626) 288-1402

Sole ProprietorYes

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1993

Enumeration DateNovember 12, 2007

Last NPPES UpdateDecember 10, 2007

✔ NPI 1588844104 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · G80626

Definition

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.

1448 S SAN GABRIEL BLVD, San Gabriel, CA 91776

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Other Identifiers 3

Medicare PING80626

Medicare UPING44191

Medicaid00G806261CA

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

Dr. Thomas Shengyuan Yu 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 ID42403149

PECOS Enrollment IDI20101021000624

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 Reassignment

Medicare enrollment records show Thomas Yu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Thomas S. Yu, M.D., Inc.

Same address

Primary Care

1448 S SAN GABRIEL BLVD
San Gabriel, CA 91776

Reassigned Medicare billing, California enrollment

NPI 1578662649 (626) 288-0300

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.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

196 services89 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

54 services54 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

52 services52 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.

35 services27 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

34 services14 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91776 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

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

6 suppliers22 claims37 services$4.97 avg. paid by Medicare

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

1 supplier11 claims334 services$4.25 avg. paid by Medicare

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152

Other-Enteral and Parenteral · category OB006N

1 supplier11 claims5,150 services$0.24 avg. paid by Medicare

Iv pole E0776

DME-Other DME · category DE000N

1 supplier11 claims11 services$4.65 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 13

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

JAMES CHAE D.D.S.

Dentist (General Practice)