Dr. Karen Spenser Kiefer
D.O. | Psychiatry | 50+ years Exp
1715 Leaning Pine Dr, Diamond Bar
California, 91765-2738
909-261-4123 909-367-2922
Maps & DirectionsDr. Karen Spenser Kiefer is a Diamond Bar, California based psychiatrist with 50 years of experience in Psychiatry. She completed her graduation from Midwestern University, Chicago College Of Osteopathic Med in 1976. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Karen Spenser Kiefer is 20A5060 for Psychiatry in California. Her current practice location is 1715 Leaning Pine Dr, Diamond Bar. Patients can reach her at 909-261-4123 or can fax her at 909-367-2922. Dr. Karen Spenser Kiefer is D.O. in Psychiatry and her NPI number (Unique professional ID assigned by NPPES) is 1578586574.
Dr. Karen Spenser Kiefer specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Complete Profile:
Dr. Karen Spenser Kiefer speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Karen Spenser Kiefer |
| Specialization: | Psychiatry |
| Gender: | Female |
| Credentials: | D.O. |
| Experience: | 50+ years |
| Medical School Attended: | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation Year: | 1976 |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 1715 Leaning Pine Dr, Diamond Bar,
California, 91765-2738 |
| Phone: | 909-261-4123 |
| Fax: | 909-367-2922 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 5890876684 |
| Enrollment ID: | I20080117000796 |
| NPI Number: | 1578586574 |
| NPI Enumeration Date: | 25 Jul, 2006 |
| NPI Last Update On: | 11 Aug, 2020 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Karen Spenser Kiefer are as mentioned below.
| License Number | Specialization | State | Status | |
| 20A5060 | Psychiatry | California | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Karen Spenser Kiefer
1715 Leaning Pine Dr,
Diamond Bar, California |
| Zip: | 91765-2738 |
| Phone Number: | 909-261-4123 |
| Fax Number: | 909-367-2922 |
Patients can reach Dr. Karen Spenser Kiefer at
1715 Leaning Pine Dr, Diamond Bar, California or can
call to book an appointment on 909-261-4123.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.