Psychologist | Clinical Psychology | 21+ years experience

Dr. Joel Vincent Merkwan, PH.D.

327 Broadway Ave Ste 15, Yankton, South Dakota, 57078-7800

About Dr. Joel Vincent Merkwan

Dr. Joel Vincent Merkwan is a psychologist based in Yankton, South Dakota with 21 years of experience in Clinical Psychology. He completed his graduation in 2005. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Joel Vincent Merkwan is 393 for Clinical Psychology in North Dakota. His current practice location is 327 Broadway Ave Ste 15, Yankton. Patients can contact him at 605-661-6128. Dr. Joel Vincent Merkwan, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1699810879.

Dr. Joel Vincent Merkwan 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. Joel Vincent Merkwan'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. Joel Vincent Merkwan
Specialization Clinical Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 21+ years
Graduation Year 2005
Gender Male
Practice Address: 327 Broadway Ave Ste 15,
Yankton, SD - 57078-7800

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 7618070889
Enrollment ID I20100831000699
NPI Number1699810879
NPI Enumeration Date: 21 Feb, 2007
NPI Last Update On: 29 Jun, 2010

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. Joel Vincent Merkwan are as mentioned below.

License NumberSpecializationStateStatus
393Clinical Psychology North DakotaPrimary
490Clinical Psychology South DakotaSecondary

Mailing Address

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

Dr. Joel Vincent Merkwan
2505 Abbott Dr,
Yankton, SD - 57078-5356
Phone: 605-661-6128

Book an Appointment with Dr. Joel Vincent Merkwan

To schedule an appointment, contact Dr. Joel Vincent Merkwan at 327 Broadway Ave Ste 15, Yankton, South Dakota or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Joel Vincent Merkwan:

Dr. Joel Vincent Merkwan 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.

Dr. Joel Vincent Merkwan has approximately 21 years of experience in Clinical Psychology.

Yes, Dr. Joel Vincent Merkwan accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Joel Vincent Merkwan 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. Joel Vincent Merkwan practices at 327 Broadway Ave Ste 15, Yankton, South Dakota, 57078-7800.

To schedule an appointment with Dr. Joel Vincent Merkwan, please contact the office at 605-661-6128.

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