Psychologist | Clinical Psychology

Dr. Peter John Graskamp, PHD

5000 W National Ave Rm 4160, Milwaukee, Wisconsin, 53295-0001

About Dr. Peter John Graskamp

Dr. Peter John Graskamp is a psychologist based in Milwaukee, Wisconsin who is specialized in Clinical Psychology. Active license number of Dr. Peter John Graskamp is 2875-57 for Clinical Psychology in Wisconsin. His current practice location is 5000 W National Ave Rm 4160, Milwaukee. Patients can contact him at 414-384-2000. Dr. Peter John Graskamp, PHD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1023024791.

Dr. Peter John Graskamp 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.

Practice Information

Dr. Peter John Graskamp'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 Dr. Peter John Graskamp
Specialization Clinical Psychology
Credentials PHD
Gender Male
Practice Address: 5000 W National Ave Rm 4160,
Milwaukee, WI - 53295-0001

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.

NPI Number1023024791
NPI Enumeration Date: 01 Aug, 2006
NPI Last Update On: 16 Jan, 2020

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 Dr. Peter John Graskamp are as mentioned below.

License NumberSpecializationStateStatus
2875-57Clinical Psychology WisconsinPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Peter John Graskamp such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
2875-57OtherWisconsinPSYCHOLOGIST LICENSE NUMBER
40965200MedicaidWisconsin
391746222OtherWisconsinCORNERSTONE TAX ID

Mailing Address

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

Dr. Peter John Graskamp
5000 W National Ave Rm 4160,
Milwaukee, WI - 53295-0001
Phone: 414-384-2000

Book an Appointment with Dr. Peter John Graskamp

To schedule an appointment, contact Dr. Peter John Graskamp at 5000 W National Ave Rm 4160, Milwaukee, Wisconsin or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Peter John Graskamp:

Dr. Peter John Graskamp 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.

Yes, Dr. Peter John Graskamp 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.

Dr. Peter John Graskamp practices at 5000 W National Ave Rm 4160, Milwaukee, Wisconsin, 53295-0001.

To schedule an appointment with Dr. Peter John Graskamp, please contact the office at 414-384-2000.

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