Alexander Duncan Robertson, MD
Psychiatry Physician · Scottsdale, AZ
Alexander Duncan Robertson, MD is a psychiatry physician with a practice address in Scottsdale, Arizona, and NPI 1598407983, issued on Apr 7, 2022. Check the license (Arizona 72532, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alexander Duncan Robertson
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 72532 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9260 E Raintree Dr Ste 120, Scottsdale, AZ 85260
- Phone
- (602) 730-4875
- Enumerated
- Apr 7, 2022
- Record last updated
- Jul 10, 2026
- Fax
- (623) 257-2146
- Medicare enrollment
- Enrolled (PECOS I20240910002897); accepts Medicare assignment
- Medical or professional school
- California University Of Science And Medicine, 2022
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 9260 E Raintree Dr Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ella GrassoMarriage & Family Therapist1093449720
- Lucy Guadalupe, MFTMarriage & Family Therapist1376303214
- Rand Hanna, MDPsychiatry Physician1578142840
- Elizabeth Kresojevich, LMFTMarriage & Family Therapist1649707266
- Chantal LaingMarriage & Family Therapist1538026851
- Minon Maier, MINON MAIERMarriage & Family Therapist1366740102
Verify Alexander Duncan Robertson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 72532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average psychiatry physician in 2024
95 Medicare Part D claims for 31 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Escitalopram Oxalate13 claims
- Quetiapine Fumarate13 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
- AZ Holding 4, LLCScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Duncan Robertson among 942 psychiatry physician records in Arizona
Alexander Duncan Robertson, 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 2022, is newer than 91% of them.
- NPI issued2022 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated2022 · median 2007 among the 382 with a school on file
- Record last updated2026 · 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
- Thomas Best, M.D.Scottsdale, AZ 852601750540068
- Lauren Bonner, MDScottsdale, AZ 852601740265990
- Michael Dekker, D.O.Scottsdale, AZ 852601790911246
- Frank Genova, MDScottsdale, AZ 852601396803219
- Ladan Goble, M.D.Scottsdale, AZ 852601891993531
- Thomas Idzorek, MDScottsdale, AZ 852601861564593
- Steven Karp, D.O.Scottsdale, AZ 852601023151537
- David Leicken, MDScottsdale, AZ 852601700997715
Common questions
What is Alexander Duncan Robertson, MD's NPI number?
Alexander Duncan Robertson, MD's National Provider Identifier (NPI) is 1598407983, issued on Apr 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Duncan Robertson, MD located?
The NPPES record lists a practice address at 9260 E Raintree Dr Ste 120, Scottsdale, AZ, 85260. Phone: (602) 730-4875. Providers update this record themselves, so call before visiting.
How can I verify Alexander Duncan Robertson, MD's license?
NPPES lists Arizona license number 72532, 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 Alexander Duncan Robertson, MD prescribe under Medicare Part D?
In 2024, Alexander Duncan Robertson, MD had 95 Medicare Part D claims for 31 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.