Dr. Karen Josephson, MD

Internal MedicineFemaleAge 58

Dr. Karen Josephson, MD is a Internal Medicine Specialist in Los Alamitos, CA and has over 33 years of experience in the medical field. She graduated from Case Western Reserve University School of Medicine medical school in 1988. She is affiliated with medical facilities such as Dignity Health - St. Mary Medical Center and Dignity Health - St. Mary Medical Center. She is accepting new patients. Be sure to call ahead with Dr. Josephson to book an appointment.

Dr. Josephson

Sage Healthcare

3771 Katella Ave Los Alamitos, CA 90720
Accepting new patients

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At a Glance

  • Practices at Top Hospital
    Patient Safety Excellence Award™ See hospitals

Experience and Background Checks


Background Check

No malpractice claims found for California
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
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Experience Check

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Dr. Josephson's conditions and procedures:

  • Alzheimer's Disease
  • Anxiety
  • Arthritis
  • Arthritis of the Elbow
  • Asthma
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Dementia
  • Depressive Disorders
  • Diabetes
  • Emphysema
  • Geriatric Assessment
  • Heart Disease
  • High Cholesterol
  • Hypertension
  • Injuries
  • Muscle Weakness
  • Obesity
  • Osteoarthritis
  • Osteoarthritis of Ankle and Foot
  • Osteoarthritis of Shoulder
  • Osteoporosis
  • Vaccination

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Dr. Josephson accepts

Accepted insurance can change. Please double-check when making an appointment.

(323) 309-0961

Dr. Josephson accepts the following insurance:

We do not accept health insurance

Dr. Josephson's Reviews

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Dr. Josephson
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Dr. Josephson has been an amazing physician for my elderly Mother for the past 15-20 years ! My Mother is now 95 and I truly believe she would not have lived this long if it weren't for Dr. Josephson ! She is competent, smart, has integrity and goes that extra mile for her patients ! I recommend her to everyone !
What went well
  • Appointment scheduling
  • Office environment
  • Staff friendliness
  • Appointment wasn't rushed
  • Listened & answered questions
  • Explained conditions well
  • Trusted the provider's decisions
What could be improved
No results
4 people found this helpful
susan in Rolling Hills Estates, Ca – Aug 23, 2017

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About Me

Care Philosophy

I partner with my patient to achieve optimal health and quality of life. I do not accept any insurance, opted out of Medicare, and contract directly with...Read more


  • Internal Medicine
  • Geriatric Medicine

Board Certifications

  • Geriatric Medicine
  • Geriatric Medicine
  • Internal Medicine


John a Burns School Medicine/U Hawaii
Fellowship Hospital
Jewish Hospital St Louis
Residency Hospital
Jewish Hosp St Louis
Internship Hospital
Case Western Reserve University School of Medicine
Medical School
SUNY at Binghamton
Undergraduate School


Frequently Asked Questions

Is Dr. Karen Josephson, MD accepting new patients?

Dr. Karen Josephson, MD generally accepts new patients on Healthgrades. You can see Dr. Josephson's profile to make an appointment.

Does Dr. Karen Josephson, MD accept my insurance?

Use the Healthgrades insurance check to verify if Dr. Josephson accepts your insurance.

What are Dr. Karen Josephson, MD's top areas of care?

Dr. Josephson frequently treats Vaccination, Geriatric Assessment, and Alzheimer's Disease. See all procedures and conditions Dr. Josephson treats.

Where is Dr. Karen Josephson, MD's office located?

Dr. Josephson's office is located at 3771 Katella Ave, Los Alamitos, CA 90720. Find other locations and directions on Healthgrades.

Does Dr. Karen Josephson, MD offer telehealth services?

Dr. Josephson has not yet indicated whether they offer telehealth services. Please contact the office to check for availability/eligibility.

How can I make an appointment with Dr. Karen Josephson, MD?

Find contact information here to make an appointment.


Sage Healthcare

Gary M Nemhauser MD Inc A Professional Corporation3771 Katella Ave Los Alamitos, CA 90720

Affiliated Hospitals

Dr. Josephson is affiliated with the following hospitals. Select a hospital below to learn more.

Learn more about how Healthgrades measuresHospital Quality.

Dignity Health - St. Mary Medical Center

Long Beach, CA

65% Patient Experience Rating, 4% lower than the national average

Dignity Health - St. Mary Medical Center

Long Beach, CA

65% Patient Experience Rating, 4% lower than the national average

Los Alamitos Medical Center

Los Alamitos, CA

62% Patient Experience Rating, 7% lower than the national average

4 Awards Received

Award Highlight: Patient Safety Excellence Award™ (2020)