Psychology Clinic | Clinical Psychology

Mark G Kiefner Phd Llc

225 Commercial St Ste 403, Portland, Maine, 04101-6603

About Mark G Kiefner Phd Llc

Mark G Kiefner Phd Llc is a psychology clinic located in Portland, Maine. specializing in Clinical Psychology. The clinic is located at 225 Commercial St Ste 403, Portland, ME and can be reached at 207-400-2694. The authorized official for Mark G Kiefner Phd Llc is Mark G Kiefner, who serves the clinic’s Owner. He/She can be contacted at 207-400-2694.
Mark G Kiefner Phd Llc Clinic has mental health professionals specialized in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Psychologists main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that psychologists can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Clinic Information

Mark G Kiefner Phd Llc Clinic's specialty, address, contact phone number and fax are as below. Patients can contact the clinic at the given phone number for appointments.

Clinic Name Mark G Kiefner Phd Llc
Specialization Clinical Psychology
Practice Address 225 Commercial St Ste 403,
Portland, ME - 04101-6603
Fax 207-331-3249

Authorized/Official Person Profile

Officially authorized person to contact for any management issues or complaints for this clinic are as below. Person's position and contact details are also mentioned below.

Name Mark G Kiefner
Position Owner
Contact Number 207-400-2694

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 Number1528539335
NPI Enumeration Date: 06 Dec, 2018
NPI Last Update On: 06 Dec, 2018

Medical Licenses

Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mark G Kiefner Phd Llc are as mentioned below.
License NumberSpecializationStateStatus
Clinical Primary

Mailing Address

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

Mark G Kiefner Phd Llc
98 Sheridan St,
Portland, ME - 04101-2626
Phone: 207-400-2694
Fax: 207-331-3249

Book an Appointment with Mark G Kiefner Phd Llc

To schedule an appointment, contact Mark G Kiefner Phd Llc at 225 Commercial St Ste 403, Portland, Maine or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mark G Kiefner Phd Llc clinic:

Mark G Kiefner Phd Llc is a psychology clinic specializing in Clinical Psychology.

Mark G Kiefner Phd Llc is located at 225 Commercial St Ste 403, Portland, Maine 04101-6603.

Patients can contact Mark G Kiefner Phd Llc at 207-400-2694 for inquiries about its services and appointments.

Please contact Mark G Kiefner Phd Llc directly to inquire about new-patient availability and appointment options.
* Availability may change.

Mark G Kiefner Phd Llc has mental health professionals specialized in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Psychologists main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that psychologists can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Patients can contact Mark G Kiefner Phd Llc at 207-400-2694 to inquire about appointments, consultation requirements and available services.

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