RH
17 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hahn, Obstetrician / Gynecologist (OBGYN) in Fairfield, CA?
Dr. Ruth Hahn, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Fairfield, CA with 2 additional practice locations. She has been practicing for over 17 years. Dr. Hahn is fluent in English, French, and Spanish, and is currently seeing new patients. Dr. Hahn’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hahn’s office at (800) 967-2289.
What languages does Dr. Hahn speak?
Dr. Hahn and their clinical team can communicate with patients in the following languages:
English
French
Spanish
What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Hahn typically treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Hahn 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. Hahn. 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Dementia
- Dementia with Behavioral Changes
- Cognitive decline
- Memory loss
- Brain disorder
- Dementia with behavioral problems
- Cognitive decline with behavior issues
- Memory loss with personality changes
ICD-10 Codes:
- F0390: Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F03918: Unspecified dementia, unspecified severity, with other behavioral disturbance
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
Also known as:
- Ischemic Stroke
- Brain Attack
- Cerebral Infarction
- Brain Ischemia
ICD-10 Codes:
- I639: Cerebral infarction, unspecified
Also known as:
- COPD
- Chronic Obstructive Pulmonary Disease
- Chronic Lung Disease
- Emphysema and Chronic Bronchitis
ICD-10 Codes:
- J449: Chronic obstructive pulmonary disease, unspecified
Also known as:
- Schizophrenia
- Psychotic disorder
- Thought disorder
- Mental illness with psychosis
ICD-10 Codes:
- F209: Schizophrenia, unspecified
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:
- Brain disease (encephalopathy)
- Brain Disease
- Brain disorder
- Brain dysfunction
- Encephalopathy
ICD-10 Codes:
- G9340: Encephalopathy, unspecified
What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Hahn typically perform?
As an Obstetrician / Gynecologist (OBGYN), procedures performed by Dr. Ruth Hahn may include:
- Abortion Consultation
- Abortion Follow Up
- Abortion (Medical)
- Abortion (Surgical)
- Annual Pap Smear / GYN Exam
- Antepartum Care
- Anterior Repair
- Artificial Insemination / Intra-Uterine
Please contact Dr. Hahn's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Hahn accept my insurance?
Dr. Hahn accepts most major insurance plans. Important: Please call our office at (800) 967-2289 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hahn accept in Fairfield, CA?
Dr. Hahn in Fairfield, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Healthcare
Blue Shield of California
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Hill Physicians Medical Group
Medicare
Molina Healthcare
State of California
Sutter Health
UnitedHealth Group
View All Insurances
Where is Dr. Hahn's office located?
What hospitals are Dr. Hahn affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Hahn has admitting privileges at the following hospitals:
Alta Bates Summit Medical Center - Summit Campus,Oakland, CA
Ranked in 2 Specialties
Ranked in 4 Procedures
Alta Bates Summit Medical Center - Summit Campus,Oakland, CA
Ranked in 2 Specialties
Ranked in 4 Procedures
John Muir Health Walnut Creek Medical Center,Walnut Creek, CARanked ObGyn Surgery
Ranked in 3 Procedures
John Muir Health Walnut Creek Medical Center,Walnut Creek, CA
Ranked ObGyn Surgery
Ranked in 3 Procedures
Alta Bates Summit Medical Center - Alta Bates Campus,Berkeley, CA
Alta Bates Summit Medical Center - Alta Bates Campus,Berkeley, CA
Wilma Chan Highland Hospital Campus,Oakland, CA
Wilma Chan Highland Hospital Campus,Oakland, CA
What is Dr. Hahn's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hahn's National Provider Identifier (NPI) number is 1528118262.
What common questions do patients ask about Dr. Hahn?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hahn
What is Dr. Ruth Hahn's specialty?
Dr. Hahn is an Obstetrician / Gynecologist (OBGYN) near Fairfield, CA.
What does an Obstetrician / Gynecologist (OBGYN) do?
An obstetrician/gynecologist has specialized knowledge, skills, and expertise in the medical and surgical management of the female reproductive system and related disorders. This physician acts as a consultant to other healthcare providers while also serving as a primary care physician for women, addressing their unique health needs throughout various stages of life.
Is Dr. Ruth Hahn affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Hahn is affiliated with Alta Bates Summit Medical Center - Summit Campus, John Muir Health Walnut Creek 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 an Obstetrician / Gynecologist (OBGYN)?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Obstetrician / Gynecologist (OBGYN). 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 Dr. Ruth Hahn accepting new patients in Fairfield, CA?
Yes, Dr. Ruth Hahn is accepting new patients at this time.
Does Dr. Ruth Hahn offer online booking?
Please contact Dr. Hahn's office at (800) 967-2289 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Ruth Hahn?
Please contact Dr. Hahn's office at (800) 967-2289 to schedule an appointment.
Where is Dr. Hahn's office located?
Dr. Hahn's offices are located in Fairfield, CA, San Jose, CA, and Berkeley, CA.
Other Obstetrician / Gynecologist (OBGYN) Near Fairfield, CA
Obstetrician / Gynecologist (OBGYN)
Accepting patientsDr. Marlene Freeman, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Fairfield, CA with 2 additional practice locations. She has been practicing for over 26 years and is board certified.
Fairfield, CA
Obstetrician / Gynecologist (OBGYN)
Accepting patientsDr. Andrew Lin, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Fairfield, CA with 1 additional practice location. He is board certified.
Fairfield, CA
Obstetrician / Gynecologist (OBGYN)
Accepting patientsDr. Camille Barnes, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Vacaville, CA with 2 additional practice locations.
Vacaville, CA