Affiliated with a Castle Connolly Top Hospital
Who is Dr. Maas, Emergency Medicine Specialist in Glendora, CA?
Dr. Lee Maas, MD is an Emergency Medicine Specialist, who primarily practices in Glendora, CA with 2 additional practice locations. He is board certified. Dr. Maas graduated from Loma Linda University School of Medicine and completed his residency at Loma Linda University Program A. Dr. Maas is fluent in English, and is currently seeing new patients. Dr. Maas’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Maas’s office at (909) 865-9500.
Where did Dr. Maas go to medical school and complete their residency?
Residency: Loma Linda University Program A
Medical School: Loma Linda University School of Medicine
Is Dr. Maas board certified as an Emergency Medicine Specialist?
Yes, Dr. Lee Maas, MD is board certified by the American Board of Emergency Medicine
What languages does Dr. Maas speak?
Dr. Maas and their clinical team can communicate with patients in the following languages:
English
What conditions does an Emergency Medicine Specialist like Dr. Maas typically treat?
As an Emergency Medicine Specialist, Dr. Maas 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. Maas. 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 here.
Also known as:
- Common Cold
- Upper Respiratory Infection
- Head Cold
- Cold Symptoms
ICD-10 Codes:
- J069: Acute upper respiratory infection, unspecified
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
Also known as:
- Head Injury
- Head Injuries
- Head Trauma
- Cranial Injury
- Brain Injury
ICD-10 Codes:
- S0990XA: Unspecified injury of head, initial encounter
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Asthma Flare-Up
- Asthma
- Asthma Attack
- Acute Asthma Exacerbation
- Worsening Asthma
- Asthma Episode
ICD-10 Codes:
- J45901: Unspecified asthma with (acute) exacerbation
What procedures does an Emergency Medicine Specialist like Dr. Maas typically perform?
As an Emergency Medicine Specialist, procedures performed by Dr. Lee Maas may include:
- Emergency Consultation
- Emergency Follow Up
- Emergency Medicine Consultation
- Removal of Foreign Object from Body
- Urgent Care Consultation
- Urgent Care Follow Up
Please contact Dr. Maas' office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Maas accept my insurance?
Dr. Maas accepts most major insurance plans. Important: Please call our office at (909) 865-9500 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Maas accept in Glendora, CA?
Dr. Maas in Glendora, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene Corporation
City of Los Angeles
Heritage Health
OptumRx Administered Payer
Other Health Care Provider
Other TPA
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Maas' office located?
What is Dr. Maas's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Maas's National Provider Identifier (NPI) number is 1548470081.
What common questions do patients ask about Dr. Maas?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Maas
What is Dr. Lee Maas's specialty?
Dr. Maas is a Emergency Medicine Specialist near Glendora, CA.
What does an Emergency Medicine Specialist do?
An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries.
Is this Dr. Lee Maas affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Maas is affiliated with Kaiser Permanente Baldwin Park Medical Center, San Gabriel Valley Medical Center, Alhambra Hospital Medical Center, Dignity Health - St. Mary Medical Center, Pih Health Whittier Hospital, Huntington Hospital (pasadena, Ca) which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Emergency Medicine Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Emergency Medicine Specialist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Lee Maas accepting new patients in Glendora, CA?
Yes, Dr. Lee Maas is accepting new patients at this time.
Does Dr. Lee Maas offer online booking?
Please contact Dr. Maas's office at (909) 865-9500 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Lee Maas?
Please contact Dr. Maas's office at (909) 865-9500 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Lee Maas have?
Dr. Lee Maas is certified by the American Board of Emergency Medicine.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>