DR. KARL RICHARD REINERTSEN MARKU MD
NPI 1841490232
Psychiatry & Neurology - Psychiatry in Scottsdale, AZ

Active since July 23, 2007PECOS Enrolled
3666 N MILLER RD, SUITE 113, SCOTTSDALE, AZ 85251(480) 481-0858(480) 945-2166 Get Directions Write a Review

NPPES record last updated: August 29, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Karl Richard Reinertsen Marku Md NPPES

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

DR. KARL RICHARD REINERTSEN MARKU MD (NPI 1841490232) is an individual psychiatry provider in Scottsdale, Arizona, licensed in Arizona (42607) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1841490232
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. KARL RICHARD REINERTSEN MARKUCredential: MD
Location Address3666 N MILLER RD, SUITE 113Scottsdale, AZ 85251-4599
Mailing Address3666 N Miller Rd, Suite 113Scottsdale, AZ 85251 · (480) 481-0858 · Fax (480) 945-2166
Fax(480) 945-2166
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJuly 23, 2007
Last NPPES UpdateAugust 29, 2016
✔ NPI 1841490232 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in AZ · 42607
Definition
A Psychiatrist 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.
3666 N MILLER RD, Scottsdale, AZ 85251

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Karl Richard Reinertsen Marku Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476634437
PECOS Enrollment IDI20100421000297
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Karl Marku reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
2632 E THOMAS RD STE 101
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 137 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85251 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$168.60 typical visit price
range $55.44 – $168.60
Typical copayment $42.15 (range $13.86 – $42.15)
Most-billed visit code 99205
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

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

Clinic/Center (Dental)
3666 N MILLER RD, 109
SCOTTSDALE, AZ 85251
Marriage & Family Therapist
3666 N MILLER RD, SIUTE 113
SCOTTSDALE, AZ 85251
Dentist
3666 N MILLER RD
SCOTTSDALE, AZ 85251

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 Karl Marku's NPI number?

The NPI number for Karl Marku is 1841490232. It was assigned to this individual provider in the NPPES registry on July 23, 2007.

Where is Karl Marku located?

Karl Marku practices at 3666 N Miller Rd Suite 113, Scottsdale, AZ 85251. The listed phone number is (480) 481-0858.

What is Karl Marku's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Karl Marku enrolled in Medicare?

Yes. Karl Marku is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karl Marku's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karl Marku reassigns Medicare benefits to Southwest Behavioral Health Services, Inc. (Phoenix, AZ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karl Marku's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karl Marku accept?

Health plans from Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Karl Marku as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Karl Marku was last updated on August 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.