Doctor profile · Federal record

Dr. Sandra Johnson-Gamlin, PHD

Psychologist (CMS: Clinical Psychologist) · Detroit, MI

  • NPI 1265656516
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1001 Woodward Ave Fl 5
Detroit, MI 48226
(313) 739-7836
fax (313) 557-1662
Additional location
6960 Orchard Lake RD, Suite 100
West Bloomfield, MI 483224515
(248) 626-1500
fax (248) 626-1551
Mailing address
8200 E Jefferson Ave Apt 1910
Detroit, MI 482143932

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
December 2, 2025
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
103T00000X — NUCC code
State license (1)
Michigan #6301006837

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265656516. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
46
Distinct HCPCS
3
Medicare allowed
$4,134
HCPCS Description Services Patients Avg allowed
90791 Psychiatric diagnostic evaluation 16 16 $147
96130 Evaluation of psychological test, first hour 15 15 $116
96146 Administration of psychological or neuropsychological test by single standardized instrument via electronic platform with automated result 15 15 $2

In context: peer comparison

Among 2 peers in Detroit Psychologist, average services per provider: 18. This provider delivers 2.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandra Johnson-Gamlin's medical specialty?
Dr. Sandra Johnson-Gamlin practices Psychologist in Detroit, MI.
Where does Dr. Sandra Johnson-Gamlin practice?
Dr. Sandra Johnson-Gamlin practices at 1001 Woodward Ave Fl 5, Detroit, MI 48226. Office phone: 3137397836.
What is Dr. Sandra Johnson-Gamlin's NPI?
Dr. Sandra Johnson-Gamlin's National Provider Identifier (NPI) is 1265656516, issued by NPPES.
Does Dr. Sandra Johnson-Gamlin accept Medicare assignment?
Yes. Dr. Sandra Johnson-Gamlin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sandra Johnson-Gamlin commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation (HCPCS 90791); Evaluation of psychological test, first hour (HCPCS 96130); Administration of psychological or neuropsychological test by single standardized instrument via electronic platform with automated result (HCPCS 96146). Source: CMS Medicare Physician & Other Practitioners file.