Psychiatrist | 42+ years experience

Mark A Preston, MD

1700 W Townline St, Creston, Iowa, 50801-1054

About Mark A Preston

Mark A Preston is a psychiatrist based in Creston, Iowa with 42 years of experience in Psychiatry. He completed his graduation from University Of Iowa, Rj & L Carver College Of Medicine in 1984. He is also affiliated with hospitals like He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Mark A Preston is 25526 for Psychiatry in Iowa. His current practice location is 1700 W Townline St, Creston. Patients can contact him at 641-782-2131 or can fax him at 641-782-6425. Mark A Preston, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1811987043.

Mark A Preston specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Mark A Preston'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 Mark A Preston
Specialization Psychiatry
Credentials MD
Accepts Medicare Assignment Yes
Experience 42+ years
Medical School Attended University Of Iowa, Rj & L Carver College Of Medicine
Graduation Year 1984
Gender Male
Practice Address: 1700 W Townline St,
Creston, IA - 50801-1054
Fax 641-782-6425

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 6800982521
Enrollment ID I20090126000652
NPI Number1811987043
NPI Enumeration Date: 27 Oct, 2005
NPI Last Update On: 08 Nov, 2016

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 Mark A Preston are as mentioned below.

License NumberSpecializationStateStatus
25526Psychiatry IowaPrimary

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
(161365)Creston, IACritical Access 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 Mark A Preston is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Greater Regional Medical Center (9234041013)34

Other Medical Identifiers

Other professional identifiers associated with Mark A Preston such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
0241042MedicaidIowa
11471OtherIowaMIDLANDS CHOICE
1811987043MedicaidIowa
28592OtherIowaWELLMARK
IA0105OtherIowaJOHN DEERE

Mailing Address

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

Mark A Preston
1700 W Townline St,
Creston, IA - 50801-1054
Phone: 641-782-7091
Fax: 641-782-3830

Book an Appointment with Mark A Preston

To schedule an appointment, contact Mark A Preston at 1700 W Townline St, Creston, Iowa or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mark A Preston:

Mark A Preston is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Mark A Preston completed his education (MD) from University Of Iowa, Rj & L Carver College Of Medicine in 1984.

Mark A Preston has approximately 42 years of experience in Psychiatry.

Yes, Mark A Preston accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Mark A Preston 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.

Mark A Preston practices at 1700 W Townline St, Creston, Iowa, 50801-1054.

To schedule an appointment with Mark A Preston, please contact the office at 641-782-2131.

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