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

Q: What is the provider's specialty?

The provider's specialty is Psychologist with taxonomy code 103TP0016X and a focus in Prescribing (Medical).

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: July 19, 2026.

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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has received from the state board of psychology a current certificate granting prescriptive authority, which has not been revoked or suspended.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

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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.