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DR. MARLIES W. KORSTEN M.D.
NPI 1467676163
Psychologist - Prescribing (Medical) in Scottsdale, AZ

Active since April 12, 2007Opted out of Medicare · through Oct 1, 2026
4300 N MILLER RD, SUITE 102, SCOTTSDALE, AZ 85251(480) 941-1952(480) 941-0610 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Marlies W. Korsten M.d. NPPES

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

DR. MARLIES W. KORSTEN M.D. (NPI 1467676163) is an individual prescribing (medical) provider in Scottsdale, Arizona, licensed in Arizona (20884) and active in the NPI registry since April 2007. She has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1467676163
Entity TypeIndividualFemale
Primary Taxonomy103TP0016X
Provider Legal NameDR. MARLIES W. KORSTENCredential: M.D.
Location Address4300 N MILLER RD, SUITE 102Scottsdale, AZ 85251-3619
Mailing Address4300 N. Miller Road, Suite 102Scottsdale, AZ 85052 · (480) 941-1952 · Fax (480) 941-0610
Phone(480) 941-1952
Fax(480) 941-0610
Sole ProprietorYes
Enumeration DateApril 12, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1467676163 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Prescribing (Medical)Behavioral Health & Social Service Providers
Taxonomy Code103TP0016X
License✔ Licensed in AZ · 20884
Definition
A licensed, doctoral-level psychologist authorized to prescribe and has undergone specialized education and training in preparation for prescriptive practice and has passed an examination accepted by the state board of psychology relevant to establishing competence for prescribing, and has received from the state board of psychology a current certificate granting prescriptive authority, which has not been revoked or suspended.
4300 N MILLER RD, Scottsdale, AZ 85251
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Marlies W. Korsten M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2012 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2012
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANNA MARIA BRENNAN M.A., LAMFT
Marriage & Family Therapist
4300 N MILLER RD, SUITE 251
SCOTTSDALE, AZ 85251
Maricopa County (480) 774-7945
A NEW BEGINNING OUTPATIENT TREATMENT CENTER
Psychologist (Clinical)
4300 N MILLER RD, 251
SCOTTSDALE, AZ 85251
Maricopa County (480) 941-4247
LAMONTE PSYCHOLOGICAL SERVICES PLLC
Psychologist (Clinical)
4300 N MILLER RD, SUITE 135
SCOTTSDALE, AZ 85251
Maricopa County (602) 770-0607
DR. PAMELA TAVERNELLI FRAZIER M.D.
Psychiatry & Neurology (Psychiatry)
4300 N MILLER RD, SUITE 142
SCOTTSDALE, AZ 85251
Maricopa County (602) 617-6854
MELISSA NICOLE LAKIN M.C., LAC
Counselor (Mental Health)
4300 N MILLER RD
SCOTTSDALE, AZ 85251
Maricopa County (480) 941-4247
MS. ANITA B HICKS M.S.
Social Worker (Clinical)
4300 N MILLER RD, STE. 102
SCOTTSDALE, AZ 85251
Maricopa County (489) 994-9868
INGRID SUTTON LCSW
Social Worker (Clinical)
4300 N MILLER RD, 140
SCOTTSDALE, AZ 85251
Maricopa County (602) 297-5217
DR. LAWRENCE MATHER MARTIN MD
Psychiatry & Neurology (Psychiatry)
4300 N MILLER RD, SUITE 218
SCOTTSDALE, AZ 85251
Maricopa County (480) 699-3860

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 Marlies Korsten's NPI number?

The NPI number for Marlies Korsten is 1467676163. It was assigned to this individual provider in the NPPES registry on April 12, 2007.

Where is Marlies Korsten located?

Marlies Korsten practices at 4300 N Miller Rd Suite 102, Scottsdale, AZ 85251. The listed phone number is (480) 941-1952.

What is Marlies Korsten's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Prescribing (Medical), with taxonomy code 103TP0016X.

Is Marlies Korsten enrolled in Medicare?

No. Marlies Korsten has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Marlies Korsten was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.