MARK G KIEFNER PHD LLC
NPI 1528539335
Psychologist - Clinical in Portland, ME

Q: What is Mark G Kiefner Phd LLC's NPI number?

The NPI number for Mark G Kiefner Phd LLC is 1528539335. It was assigned to this organization in the NPPES registry on December 6, 2018.

Q: What is Mark G Kiefner Phd LLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Active since December 06, 2018

225 COMMERCIAL ST STE 403, PORTLAND, ME 04101(207) 400-2694(207) 331-3249 Get Directions Write a Review

NPPES record last updated: December 6, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mark G Kiefner Phd Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK G KIEFNER PHD LLC (NPI 1528539335) is a healthcare organization registered as a clinical in Portland, Maine and active in the NPI registry since December 2018. The organization lists Mark G Kiefner, Owner, as its authorized official.

NPPES Registry Identity

NPI1528539335

Entity TypeOrganization

Primary Taxonomy103TC0700X

Legal Business NameMARK G KIEFNER PHD LLC

Location Address225 COMMERCIAL ST STE 403Portland, ME 04101-6603

Mailing Address98 Sheridan StPortland, ME 04101-2626 · (207) 400-2694 · Fax (207) 331-3249

Phone(207) 400-2694

Fax(207) 331-3249

Organization SubpartNo

Authorized OfficialMark G KiefnerOwner · (207) 400-2694

Enumeration DateDecember 6, 2018

✔ NPI 1528539335 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

225 COMMERCIAL ST STE 403, Portland, ME 04101

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark G Kiefner Phd LLC's NPI number?

The NPI number for Mark G Kiefner Phd LLC is 1528539335. It was assigned to this organization in the NPPES registry on December 6, 2018.

Where is Mark G Kiefner Phd LLC located?

Mark G Kiefner Phd LLC is located at 225 Commercial St Ste 403, Portland, ME 04101. The listed phone number is (207) 400-2694.

What is Mark G Kiefner Phd LLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Mark G Kiefner Phd LLC was last updated on December 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.