Doctor profile · Federal record

Dr. Douglas Ruben, PH.D.

Clinical Psychologist · Okemos, MI

  • NPI 1295818763
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4211 Okemos RD Ste 22
Okemos, MI 488643287
(517) 347-0944
fax (517) 347-0944

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Michigan #005858

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295818763. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
151
Distinct HCPCS
2
Medicare allowed
$21,782
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 139 16 $142
90791 Psychiatric diagnostic evaluation 12 11 $169

In context: peer comparison

Among 1 peers in this city , average services per provider: 75. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Ruben's medical specialty?
Dr. Douglas Ruben practices Clinical Psychologist in Okemos, MI.
Where does Dr. Douglas Ruben practice?
Dr. Douglas Ruben practices at 4211 Okemos RD Ste 22, Okemos, MI 488643287. Office phone: 5173470944.
What is Dr. Douglas Ruben's NPI?
Dr. Douglas Ruben's National Provider Identifier (NPI) is 1295818763, issued by NPPES.
Does Dr. Douglas Ruben accept Medicare assignment?
Yes. Dr. Douglas Ruben accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Ruben commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.