DR. KENNETH TAIKONG YU M.D.
NPI 1194996108
Emergency Medicine in San Mateo, CA

Q: What is Kenneth Yu's NPI number?

The NPI number for Kenneth Yu is 1194996108. It was assigned to this individual provider in the NPPES registry on March 18, 2008.

Q: What is Kenneth Yu's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Kenneth Yu was last updated on April 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 March 18, 2008PECOS EnrolledAccepts Medicare Assignment

100 S SAN MATEO DR, SAN MATEO, CA 94401(650) 696-4427 Get Directions Write a Review

NPPES record last updated: April 3, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 3, 2024, Dec 15, 2021 (2 updates tracked since 2021).

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About Dr. Kenneth Taikong Yu M.d. NPPES

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

DR. KENNETH TAIKONG YU M.D. (NPI 1194996108) is an individual emergency medicine provider in San Mateo, California, licensed in California (A112024) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Columbia University College Of Physicians And Surgeons (2001).

NPPES Registry Identity

NPI1194996108

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. KENNETH TAIKONG YUCredential: M.D.

Location Address100 S SAN MATEO DRSan Mateo, CA 94401-3805

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (650) 696-4427

Phone(650) 696-4427

Sole ProprietorNo

Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2001

Enumeration DateMarch 18, 2008

Last NPPES UpdateApril 3, 20242 updates tracked since enumeration

NPPES CertifiedApril 3, 2024

✔ NPI 1194996108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · A112024

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

100 S SAN MATEO DR, San Mateo, CA 94401

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Secondary Practice Location 1

Location 1525 E 68th St # 573, Dept. of Emergency MedicineNew York, NY 10065-4870 · Phone (212) 746-0780

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. Kenneth Taikong 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 ID6406928159

PECOS Enrollment IDI20110111000424

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

Medicare enrollment records show Kenneth Yu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mills Peninsula Emergency Medical Associates Inc

Same address

Emergency Medicine

100 S SAN MATEO DR
San Mateo, CA 94401

Reassigned Medicare billing, California enrollment
45 clinicians in this Medicare group

NPI 1548298318 (650) 696-4500

Permanente Medical Group Inc

7.9 mi

Internal Medicine

1190 VETERANS BLVD
Redwood City, CA 94063

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1639252604 (650) 299-2000

Sutter Bay Medical Foundation

13 mi

Multi-Specialty

795 EL CAMINO REAL
Palo Alto, CA 94301

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1013950807 (650) 321-4121

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 15

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

152 services150 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

132 services132 patients

Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.

73 services73 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

73 services72 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.

42 services40 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.

38 services38 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.

33 services32 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.

32 services32 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

31 services31 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

25 services24 patients

Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635

This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.

25 services25 patients

Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus 87637

This test identifies if you have COVID-19, influenza A or B, or respiratory syncytial virus. It uses a multiplex amplified probe technique, which amplifies and detects specific genetic material of the viruses, helping in accurate diagnosis.

14 services14 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.

13 services13 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

12 services12 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.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94401 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

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.

HARRIET BETH BOROFSKY M.D.

Radiology (Diagnostic Radiology)

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 696-4140

SUTTER BAY HOSPITALS

Psychiatric Unit

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 696-5400

CLAY HUGHES NAPPER M.D.

Radiology (Diagnostic Radiology)

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 696-4515

QUAN MY TRAN DO

Family Medicine

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 696-4515

VALERIE NOWAKOWSKI MD

Radiology (Radiation Oncology)

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 336-8117

JEFFREY J. GUTTAS. MD, INC.

Allergy & Immunology

100 S SAN MATEO DR, STE 400
SAN MATEO, CA 94401

San Mateo County (650) 696-4101

DR. JEFFREY JOHN GUTTAS M.D.

Internal Medicine (Cardiovascular Disease)

100 S SAN MATEO DR, SUITE 400
SAN MATEO, CA 94401

San Mateo County (650) 696-4100

HAIDEE SUI DPT

Physical Therapist

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 696-4315

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 Kenneth Yu's NPI number?

The NPI number for Kenneth Yu is 1194996108. It was assigned to this individual provider in the NPPES registry on March 18, 2008.

Where is Kenneth Yu located?

Kenneth Yu practices at 100 S San Mateo Dr, San Mateo, CA 94401. The listed phone number is (650) 696-4427.

What is Kenneth Yu's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Kenneth Yu enrolled in Medicare?

Yes. Kenneth Yu 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 Kenneth Yu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kenneth Yu reassigns Medicare benefits to 3 organizations: Mills Peninsula Emergency Medical Associates Inc (San Mateo, CA), Permanente Medical Group Inc (Redwood City, CA) and Sutter Bay Medical Foundation (Palo Alto, CA). 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 Kenneth Yu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kenneth Yu was last updated on April 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.