Doctor profile · Federal record

Dr. Stephen Lange, PHD

Clinical Psychologist · Clinical Neuropsychologist · Clinical Child & Adolescent Psychologist · Psychologist · Addiction (Substance Use Disorder) Psychologist · Health Service Psychologist · School Psychologist · Lawton, OK

  • NPI 1255380945
  • Accepts Medicare
  • MIPS 77.8 / 100 · 2023
  • 30 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Lawton Correctional Facility, 8607 Se Flowermound Road
Lawton, OK 73501
(580) 280-7128
fax (405) 716-4810

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 8, 2016
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State licenses (2)
Oklahoma #1208 · Pennsylvania #PS008789L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255380945. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
222
Distinct HCPCS
2
Medicare allowed
$21,185
HCPCS Description Services Patients Avg allowed
90832 Psychotherapy, 30 minutes 146 65 $66
90791 Psychiatric diagnostic evaluation 76 76 $152

In context: peer comparison

Among 2 peers in this city , average services per provider: 116. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Lange's medical specialty?
Dr. Stephen Lange practices Clinical Psychologist in Lawton, OK.
Where does Dr. Stephen Lange practice?
Dr. Stephen Lange practices at Lawton Correctional Facility, Lawton, OK 73501. Office phone: 5802807128.
What is Dr. Stephen Lange's NPI?
Dr. Stephen Lange's National Provider Identifier (NPI) is 1255380945, issued by NPPES.
Does Dr. Stephen Lange accept Medicare assignment?
Yes. Dr. Stephen Lange accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Lange commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90832); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.