Dr. John Lester Schaeffer
D.O. | Psychiatry | Geriatric
101 California St Ste 2710, San Francisco
California, 94111-5818
916-320-4222 888-370-2829
Maps & DirectionsDr. John Lester Schaeffer is a San Francisco, California based psychiatrist who is specialized in Geriatric. Active license number of Dr. John Lester Schaeffer is 20A9536 for Child & Adolescent in California. His current practice location is 101 California St Ste 2710, San Francisco. Patients can reach him at 916-320-4222 or can fax him at 888-370-2829. Dr. John Lester Schaeffer is D.O. in Geriatric and his NPI number (Unique professional ID assigned by NPPES) is 1497743918.
Dr. John Lester Schaeffer has psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.
Complete Profile:
Dr. John Lester Schaeffer 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. John Lester Schaeffer |
| Specialization: | Geriatric |
| Gender: | Male |
| Credentials: | D.O. |
| Practice Address: | 101 California St Ste 2710, San Francisco,
California, 94111-5818 |
| Phone: | 916-320-4222 |
| Fax: | 888-370-2829 |
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.
| NPI Number: | 1497743918 |
| NPI Enumeration Date: | 10 Oct, 2005 |
| NPI Last Update On: | 04 May, 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. John Lester Schaeffer are as mentioned below.
| License Number | Specialization | State | Status | |
| 20A9536 | Child & Adolescent | California | Primary | |
| 20A9536 | Geriatric | California | Secondary | |
| 38750 | Geriatric | Colorado | Secondary | |
| A-1243-03 | Psychiatry | New Mexico | Secondary | |
| 38750 | Psychiatry | Colorado | Secondary | |
| 20A9536 | Psychiatry | California | Secondary | |
| 38750 | Child & Adolescent | Colorado | Secondary | |
| A-1243-03 | Child & Adolescent | New Mexico | Secondary | |
| A-1243-03 | Geriatric | New Mexico | Secondary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. John Lester Schaeffer such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| FK534Z | Medicaid | California | |
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. John Lester Schaeffer
101 California St Ste 2710,
San Francisco, California |
| Zip: | 94111-5818 |
| Phone Number: | 916-320-4222 |
| Fax Number: | 888-370-2829 |
Patients can reach Dr. John Lester Schaeffer at
101 California St Ste 2710, San Francisco, California or can
call to book an appointment on 916-320-4222.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.