JK
32 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Koumas, Family Medicine Specialist in Lake Forest, CA?
Dr. John Koumas, DO is a Family Medicine Specialist, who primarily practices in Lake Forest, CA with 1 additional practice location. He has been practicing for over 32 years. Dr. Koumas graduated from Western University of Health Sciences College of Osteopathic Medicine of the Pacific and completed his residency at Long Beach Memorial Medical Center Program. 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 (626) 337-7204.
Where did Dr. Koumas go to medical school and complete their residency?
Residency: Long Beach Memorial Medical Center Program
Medical School: Western University of Health Sciences College of Osteopathic Medicine of the Pacific
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:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Adult Health Checkup with Abnormal Findings
- Health Checkup
- Adult Physical Exam with Issues
- Routine Checkup with Concerns
- General Medical Exam with Abnormal Results
ICD-10 Codes:
- Z0001: Encounter for general adult medical examination with abnormal findings
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:
- Mixed High Cholesterol and Triglycerides
- Cholesterol
- Triglycerides
- Mixed hyperlipidemia
- Combined hyperlipidemia
- High lipids
ICD-10 Codes:
- E782: Mixed hyperlipidemia
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
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- 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
- 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 (626) 337-7204 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
Alignment Healthcare
All Other Third Party
Centene Corporation
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Humana
Medicare
Monarch HealthCare
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Koumas' office located?
Dr. John Koumas' Primary Practice
24401 Muirlands Blvd Ste A
Lake Forest, CA 92630
(626) 337-7204
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 1134111958.
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. John 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. John Koumas affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Koumas is affiliated with Uci Medical Center, Providence Mission Hospital Mission Viejo, Hoag Hospital Newport Beach, City Of Hope - Duarte Cancer Center, Orange County Global 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 John Koumas accepting new patients in Lake Forest, CA?
Yes, Dr. John Koumas is accepting new patients at this time.
Does Dr. John Koumas offer online booking?
Please contact Dr. Koumas's office at (626) 337-7204 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Koumas?
Please contact Dr. Koumas's office at (626) 337-7204 for information regarding telehealth appointment availability or for scheduling assistance.
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