Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALEXANDER DUNCAN ROBERTSON MD
NPI 1598407983
Psychiatry & Neurology - Psychiatry in Scottsdale, AZ

Active since April 07, 2022PECOS EnrolledAccepts Medicare Assignment
9260 E RAINTREE DR STE 120, SCOTTSDALE, AZ 85260(602) 730-4875(623) 257-2146 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 10, 2026, Aug 15, 2024, Apr 7, 2022 (3 updates tracked since 2022).

About Alexander Duncan Robertson Md NPPES

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

ALEXANDER DUNCAN ROBERTSON MD (NPI 1598407983) is an individual psychiatry provider in Scottsdale, Arizona, licensed in Arizona (72532) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and is a graduate of California University Of Science And Medicine (2022).

NPPES Registry Identity

NPI1598407983
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameALEXANDER DUNCAN ROBERTSONCredential: MD
Location Address9260 E RAINTREE DR STE 120Scottsdale, AZ 85260-7310
Mailing Address9260 E Raintree Dr Ste 120Scottsdale, AZ 85260-7310 · (602) 730-4875 · Fax (602) 521-3046
Fax(623) 257-2146
Sole ProprietorYes
Medical School CMSCalifornia University Of Science And MedicineGraduated 2022
Enumeration DateApril 7, 2022
Last NPPES UpdateJuly 10, 20263 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
NPI 1598407983 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 · 72532
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.
9260 E RAINTREE DR STE 120, Scottsdale, AZ 85260

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alexander Duncan Robertson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941740542
PECOS Enrollment IDI20240910002897
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85260 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 10

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

Marriage & Family Therapist
9260 E RAINTREE DR STE 120
SCOTTSDALE, AZ 85260
Marriage & Family Therapist
9260 E RAINTREE DR STE 120
SCOTTSDALE, AZ 85260
Counselor (Mental Health)
9260 E RAINTREE DR STE 120
SCOTTSDALE, AZ 85260
Marriage & Family Therapist
9260 E RAINTREE DR STE 120
SCOTTSDALE, AZ 85260
Marriage & Family Therapist
9260 E RAINTREE DR STE 120
SCOTTSDALE, AZ 85260
Clinic/Center (Adult Mental Health)
9260 E RAINTREE DR STE 120
SCOTTSDALE, AZ 85260
Marriage & Family Therapist
9260 E RAINTREE DR STE 120
SCOTTSDALE, AZ 85260
Psychiatry & Neurology (Psychiatry)
9260 E RAINTREE DR STE 120
SCOTTSDALE, AZ 85260

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 Alexander Robertson's NPI number?

The NPI number for Alexander Robertson is 1598407983. It was assigned to this individual provider in the NPPES registry on April 7, 2022.

Where is Alexander Robertson located?

Alexander Robertson practices at 9260 E Raintree Dr Ste 120, Scottsdale, AZ 85260. The listed phone number is (602) 730-4875.

What is Alexander Robertson's specialty?

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

Is Alexander Robertson enrolled in Medicare?

Yes. Alexander Robertson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Alexander Robertson was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.