20 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tejavanija, Family Medicine Specialist in Newhall, CA?
Is Dr. Tejavanija board certified as a Family Medicine Specialist?
Yes, Dr. Phet-Yoon Tejavanija, MD is board certified by the American Board of Family Medicine
What languages does Dr. Tejavanija speak?
Dr. Tejavanija and their clinical team can communicate with patients in the following languages:
- English
- Thai
What conditions does a Family Medicine Specialist like Dr. Tejavanija typically treat?
As a Family Medicine Specialist, Dr. Tejavanija diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Tejavanija. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- General Health Screening
- Health Screening
- Routine Check-up
- Preventive Health Exam
- Wellness Screening
ICD-10 Codes:
- Z139: Encounter for screening, unspecified
Also known as:
- Other Specific Healthcare Encounters
- Special Medical Visits
- Unusual Doctor Appointments
- Healthcare for Unique Situations
ICD-10 Codes:
- Z7689: Persons encountering health services in other specified circumstances
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- General Counseling Services
- Personal Counseling
- Life Coaching
- Support Services
ICD-10 Codes:
- Z7189: Other specified counseling
Also known as:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
What procedures does a Family Medicine Specialist like Dr. Tejavanija typically perform?
As a Family Medicine Specialist, procedures performed by Dr. Phet-Yoon Tejavanija may include:
- ALCAT Testing
- Joint Injection
- Medication Assisted Treatment (MAT)
- Nebulizer Treatment
- OB Consultation
- Ozone Injection
- Post-Surgery Checkup
- Tetanus Shot
Please contact Dr. Tejavanija's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Tejavanija accept my insurance?
Dr. Tejavanija accepts most major insurance plans. Important: Please call our office at (661) 222-9381 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tejavanija accept in Newhall, CA?
Dr. Tejavanija in Newhall, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
AlphaCare
Apex Healthcare
Centene Corporation
City of Los Angeles
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Kaiser Permanente
Medicare
OptumRx Administered Payer
State of California
View All Insurances
Where is Dr. Tejavanija's office located?
Dr. Phet-Yoon Tejavanija's Primary Practice
24355 Lyons Ave Ste 210
Newhall, CA 91321
(661) 222-9381
What hospitals are Dr. Tejavanija affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Tejavanija has admitting privileges at the following hospitals:

Ranked Cancer Surgery
Ranked Mastectomy
What is Dr. Tejavanija's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tejavanija's National Provider Identifier (NPI) number is 1578554986.
What common questions do patients ask about Dr. Tejavanija?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tejavanija