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DR. CHRISTEPHER DAVID YAO MD, MPH
NPI 1649237637
Emergency Medicine in Orange, CA

Active since April 26, 2006PECOS EnrolledAccepts Medicare Assignment
1010 W LA VETA AVE, SUITE 755, ORANGE, CA 92868(714) 543-8911 Get Directions Write a Review

NPPES record last updated: March 8, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Christepher David Yao Md, Mph NPPES

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

DR. CHRISTEPHER DAVID YAO MD, MPH (NPI 1649237637) is an individual emergency medicine provider in Orange, California, licensed in California (A94000) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1649237637
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. CHRISTEPHER DAVID YAOCredential: MD, MPH
Location Address1010 W LA VETA AVE, SUITE 755Orange, CA 92868-4300
Mailing Address1010 W La Veta Ave, Suite 755Orange, CA 92868-4300 · (714) 543-8911
Phone(714) 543-8911
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateApril 26, 2006
Last NPPES UpdateMarch 8, 2013
✔ NPI 1649237637 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 · A94000
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.
1010 W LA VETA AVE, Orange, CA 92868
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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

Dr. Christepher David Yao Md, Mph 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 ID3678624475
PECOS Enrollment IDI20101227000706
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 5

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.
151 services149 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.
141 services132 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.
121 services119 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.
53 services51 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

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.

GURPREET SINGH AHUJA MD
Otolaryngology
1010 W LA VETA AVE, SUITE 640
ORANGE, CA 92868
Orange County (714) 633-4020
MISSRA REZVANI NP
Nurse Practitioner (Adult Health)
1010 W LA VETA AVE, STE 750
ORANGE, CA 92868
Orange County (714) 361-6600
MR. RICHARD DAVID SANDERS P.A.
Physician Assistant
1010 W LA VETA AVE, THE CENTER FOR CANCER PREVENTION AND TREATMENT
ORANGE, CA 92868
Orange County (714) 734-6214
DR. MYRON ROSS KANOFSKY M.D.
Obstetrics & Gynecology
1010 W LA VETA AVE, SUITE 775
ORANGE, CA 92868
Orange County (714) 954-0270
RONALD DAOUD M.D.
Internal Medicine
1010 W LA VETA AVE, STE 610
ORANGE, CA 92868
Orange County (707) 339-8802
MY PHUONG PHAM NGUYEN N.P.
Nurse Practitioner (Family)
1010 W LA VETA AVE, STE 750
ORANGE, CA 92868
Orange County (714) 361-6600
RICHARD J FISCHEL M D PH D A MEDICAL CORPORATION
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1010 W LA VETA AVE, SUITE 775
ORANGE, CA 92868
Orange County (714) 954-0270
DR. TYLER ESPIRITU AYALIN M.D.
Emergency Medicine
1010 W LA VETA AVE, SUITE 755
ORANGE, CA 92868
Orange County (714) 543-8911

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 Christepher Yao's NPI number?

The NPI number for Christepher Yao is 1649237637. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is Christepher Yao located?

Christepher Yao practices at 1010 W La Veta Ave Suite 755, Orange, CA 92868. The listed phone number is (714) 543-8911.

What is Christepher Yao's specialty?

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

Is Christepher Yao enrolled in Medicare?

Yes. Christepher Yao 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 Christepher Yao was last updated on March 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.