Psychologist | 38+ years experience

William Stiers, PH.D.

5601 Loch Raven Blvd, Baltimore, Maryland, 21239-2905

About William Stiers

William Stiers is a psychologist based in Baltimore, Maryland with 38 years of experience in Psychology. He completed his graduation from Northwestern University Feinberg Medical School in 1988. He is also affiliated with hospitals like and . He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of William Stiers is O4077 for Clinical Psychology in Maryland. His current practice location is 5601 Loch Raven Blvd, Baltimore. Patients can contact him at 410-532-4701. William Stiers, PH.D., specializes in Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1801826599.

William Stiers is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

William Stiers's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name William Stiers
Specialization Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 38+ years
Medical School Attended Northwestern University Feinberg Medical School
Graduation Year 1988
Gender Male
Practice Address: 5601 Loch Raven Blvd,
Baltimore, MD - 21239-2905

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 6406891787
Enrollment ID I20050627001178
NPI Number1801826599
NPI Enumeration Date: 05 Jul, 2006
NPI Last Update On: 10 Jun, 2019

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for William Stiers are as mentioned below.

License NumberSpecializationStateStatus
O4077Clinical Psychology MarylandPrimary
04077Clinical Neuropsychologist MarylandSecondary
04077Rehabilitation Psychology MarylandSecondary

Hospital Affiliation

Doctors are affiliated to many hospitals whom they worked with in the past or are presently working with. One doctor can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) StateHospital Type
(210029)Baltimore, MDAcute Care Hospital
(210009)Baltimore, MDAcute Care Hospital

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which William Stiers is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Johns Hopkins University (8921903147)2602

Other Medical Identifiers

Other professional identifiers associated with William Stiers such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
407735100MedicaidMaryland

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

William Stiers
Po Box 64407,
Baltimore, MD - 21264-4407

Book an Appointment with William Stiers

To schedule an appointment, contact William Stiers at 5601 Loch Raven Blvd, Baltimore, Maryland or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William Stiers:

William Stiers is a psychologist specializing in Clinical Psychology. He 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.

William Stiers completed his education (PH.D.) from Northwestern University Feinberg Medical School in 1988.

William Stiers has approximately 38 years of experience in Clinical Psychology.

Yes, William Stiers accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, William Stiers is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

William Stiers practices at 5601 Loch Raven Blvd, Baltimore, Maryland, 21239-2905.

To schedule an appointment with William Stiers, please contact the office at 410-532-4701.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.