Dr. John A Lang
PHD | Clinical Psychologist
4200 18th St, Suite 104, San Francisco
California, 94114-2470
415-252-7522 415-252-7522
Maps & DirectionsDr. John A Lang is a San Francisco, California based psychologist who is specialized in Clinical Psychology. Active license number of Dr. John A Lang is PSY 20276 in California. His current practice location is 4200 18th St, Suite 104, San Francisco. Patients can reach him at 415-252-7522 or can fax him at 415-252-7522. Dr. John A Lang is PHD in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1588756704.
Dr. John A Lang is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.
Complete Profile:
Dr. John A Lang 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 A Lang |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PHD |
| Practice Address: | 4200 18th St, Suite 104, San Francisco,
California, 94114-2470 |
| Phone: | 415-252-7522 |
| Fax: | 415-252-7522 |
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: | 1588756704 |
| NPI Enumeration Date: | 28 Sep, 2006 |
| NPI Last Update On: | 03 May, 2013 |
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 A Lang are as mentioned below.
| License Number | Specialization | State | Status | |
| PSY 20276 | | California | Primary | |
| PSY 20276 | Clinical Psychology | California | Secondary | |
| PSY 20276 | Forensic Psychology | California | Secondary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. John A Lang such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| PSY 20276 | Other | California | STATE LICENSE |
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 A Lang
4200 18th St, Suite 104
San Francisco, California |
| Zip: | 94114-2470 |
| Phone Number: | 415-252-7522 |
| Fax Number: | 415-252-7522 |
Patients can reach Dr. John A Lang at
4200 18th St, Suite 104, San Francisco, California or can
call to book an appointment on 415-252-7522.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.