Karl Richard Reinertsen Marku, MD
Psychiatry Physician · Scottsdale, AZ
Karl Richard Reinertsen Marku, MD is a psychiatry physician with a practice address in Scottsdale, Arizona, and NPI 1841490232, issued on Jul 23, 2007. Check the license (Arizona 42607, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karl Richard Reinertsen Marku
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 42607 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3666 N Miller RD, Scottsdale, AZ 85251
- Phone
- (480) 481-0858
- Enumerated
- Jul 23, 2007
- Record last updated
- Aug 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (480) 945-2166
- Medicare enrollment
- Enrolled (PECOS I20100421000297); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 3666 N Miller RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Beck, MSWMarriage & Family Therapist1669701652
- Robert Clark, DDSDentist1780786632
Verify Karl Richard Reinertsen Marku in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 42607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average psychiatry physician in 2024
962 Medicare Part D claims for 78 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl71 claims
- Sertraline Hcl63 claims
- Lamotrigine53 claims
- Buspirone Hcl52 claims
- Bupropion Xl42 claims
- Venlafaxine Hcl Er38 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southwest Behavioral Health Services IncPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karl Richard Reinertsen Marku among 942 psychiatry physician records in Arizona
Karl Richard Reinertsen Marku, MD is one of 942 psychiatry physician records with a practice address in Arizona. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated2005 · median 2007 among the 382 with a school on file
- Record last updated2016 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Arizona
There are 942 psychiatry physician records in Arizona.
All 942 in Arizona → Every provider in Scottsdale → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Nazila Adib, MDScottsdale, AZ 852511740202613
- Mari Alvig, D.O.Scottsdale, AZ 852511558455915
- David Boyer, M.D.Scottsdale, AZ 852511285727503
- Gregory Carr, M.D.Scottsdale, AZ 852511770760589
- James Clark, M.D.Scottsdale, AZ 852511376503375
- Derek Deibler, M.D.Scottsdale, AZ 852511790882942
- Donald Holland, M.D.Scottsdale, AZ 852511417940073
- Noah Horowitz, MDScottsdale, AZ 852511215071402
Common questions
What is Karl Richard Reinertsen Marku, MD's NPI number?
Karl Richard Reinertsen Marku, MD's National Provider Identifier (NPI) is 1841490232, issued on Jul 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karl Richard Reinertsen Marku, MD located?
The NPPES record lists a practice address at 3666 N Miller RD, Scottsdale, AZ, 85251. Phone: (480) 481-0858. Providers update this record themselves, so call before visiting.
How can I verify Karl Richard Reinertsen Marku, MD's license?
NPPES lists Arizona license number 42607, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karl Richard Reinertsen Marku, MD prescribe under Medicare Part D?
In 2024, Karl Richard Reinertsen Marku, MD had 962 Medicare Part D claims for 78 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.