41 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Koumas, Family Medicine Specialist in Lake Forest, CA?
Dr. Mary Koumas, DO is a Family Medicine Specialist, who primarily practices in Lake Forest, CA. She has been practicing for over 41 years. Dr. Koumas graduated from A.T. Still University of Health Sciences/ Kirksville College of Osteopathic Medicine. She is a member of the MemorialCare Physician Society. Dr. Koumas is fluent in English and Spanish, and is currently seeing new patients. Dr. Koumas’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Koumas’s office at (949) 770-1950.
Where did Dr. Koumas go to medical school and complete their residency?
Medical School: A.T. Still University of Health Sciences/ Kirksville College of Osteopathic Medicine
What languages does Dr. Koumas speak?
Dr. Koumas and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Family Medicine Specialist like Dr. Koumas typically treat?
As a Family Medicine Specialist, Dr. Koumas 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. Koumas. 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:
- 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- General Disorder Screening
- Health Screening
- General Health Check
- Disease Screening
- Medical Disorder Screening
ICD-10 Codes:
- Z1389: Encounter for screening for other disorder
Also known as:
- General Counseling Services
- Personal Counseling
- Life Coaching
- Support Services
ICD-10 Codes:
- Z7189: Other specified counseling
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
Also known as:
- History of Other Medical Treatment
- Past Medical Procedures
- Previous Medical Care
- History of Past Treatments
ICD-10 Codes:
- Z9289: Personal history of other medical treatment
What procedures does a Family Medicine Specialist like Dr. Koumas typically perform?
As a Family Medicine Specialist, Dr. Koumas performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Koumas. 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:
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Cataract Removal with Lens Implant
- Extracapsular cataract extraction
- Phacoemulsification
- IOL implantation
CPT Codes:
- 66984: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); without endoscopic cyclophotocoagulation
Does Dr. Koumas accept my insurance?
Dr. Koumas accepts most major insurance plans. Important: Please call our office at (949) 770-1950 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Koumas accept in Lake Forest, CA?
Dr. Koumas in Lake Forest, 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
Blue Shield of California
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Humana
Medicare
Monarch HealthCare
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Koumas' office located?
Dr. Mary Koumas' Primary Practice
24401 Muirlands Blvd Ste A
Lake Forest, CA 92630
(949) 770-1950
Ratings & Reviews
5.0
Overall rating
Based on 1 reviews
Office Experience
100% of patients found the doctor and staff friendly and the office clean and modern
Attentiveness
100% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Wait Times
80% of patients were satisfied with the wait time
Appointment Booking
100% of patients found it easy to book an appointment
Patients give Dr. Mary Koumas an Excellent overall experience rating of 5 out of 5 stars. Dr. Koumas has been rated and reviewed by 1 patient. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Koumas, her bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsRecognitions
Memberships & Associations
MemorialCare Physician Society
Member
What is Dr. Koumas's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Koumas's National Provider Identifier (NPI) number is 1306838909.
What common questions do patients ask about Dr. Koumas?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Koumas
What is Dr. Mary Koumas's specialty?
Dr. Koumas is a Family Medicine Specialist near Lake Forest, CA.
What does a Family Medicine Specialist do?
Family Medicine is a medical specialty focused on comprehensive healthcare for individuals and families. It is a broad field that integrates biological, clinical, and behavioral sciences. The scope of family medicine covers all ages, genders, organ systems, and disease conditions, offering a holistic approach to patient care.
Is this Dr. Mary Koumas affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Koumas is affiliated with Providence Mission Hospital Mission Viejo, Hoag Hospital Newport Beach, Uci Medical Center, Samaritan Lebanon Community Hospital, Providence St. Jude Medical Center, Ahmc Anaheim Regional Medical Center 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 a Family Medicine Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Family 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 Mary Koumas accepting new patients in Lake Forest, CA?
Yes, Dr. Mary Koumas is accepting new patients at this time.
Does Dr. Mary Koumas offer online booking?
Please contact Dr. Koumas's office at (949) 770-1950 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mary Koumas?
Please contact Dr. Koumas's office at (949) 770-1950 for information regarding telehealth appointment availability or for scheduling assistance.
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