Doctor profile · Federal record

Dr. Mark Stevenson, PHD

Psychologist · Chandler, AZ

  • NPI 1902026081
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4960 S Alma School RD Ste 18
Chandler, AZ 852485573
(480) 447-4244
Additional location
4225 W Glendale Ave, E119
Phoenix, AZ 850518194
(623) 915-0270

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
April 8, 2020
Specialty taxonomy
103T00000X — NUCC code
State license (1)
Arizona #3549

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902026081. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
263
Distinct HCPCS
3
Medicare allowed
$12,576
HCPCS Description Services Patients Avg allowed
90853 Group psychotherapy 199 15 $26
90834 Psychotherapy, 45 minutes 48 13 $97
90791 Psychiatric diagnostic evaluation 16 16 $170

In context: peer comparison

Among 1 peers in Chandler Psychologist, average services per provider: 87. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Stevenson's medical specialty?
Dr. Mark Stevenson practices Psychologist in Chandler, AZ.
Where does Dr. Mark Stevenson practice?
Dr. Mark Stevenson practices at 4960 S Alma School RD Ste 18, Chandler, AZ 852485573. Office phone: 4804474244.
What is Dr. Mark Stevenson's NPI?
Dr. Mark Stevenson's National Provider Identifier (NPI) is 1902026081, issued by NPPES.
What procedures does Dr. Mark Stevenson commonly perform?
Top Medicare-reported procedures in 2023: Group psychotherapy (HCPCS 90853); Psychotherapy (HCPCS 90834); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.