Doctor profile · Federal record

Dr. Stefan Massong, PH.D.

Clinical Psychologist · Biloxi, MS

  • NPI 1568556082
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2472 Pass RD
Biloxi, MS 395312838
(228) 388-9303
fax (228) 388-9306

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Mississippi #35-579
Medicaid
MS #00121755

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568556082. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
108
Distinct HCPCS
5
Medicare allowed
$9,202
HCPCS Description Services Patients Avg allowed
96131 Evaluation of psychological test, each additional hour 46 15 $82
90791 Psychiatric diagnostic evaluation 16 16 $162
96137 Administration of psychological or neuropsychological test, each additional 30 minutes 16 15 $35
96130 Evaluation of psychological test, first hour 15 15 $113
96136 Administration of psychological or neuropsychological test, first 30 minutes 15 15 $38

In context: peer comparison

Among 1 peers in this city , average services per provider: 21. This provider delivers 5.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Stefan Massong's medical specialty?
Dr. Stefan Massong practices Clinical Psychologist in Biloxi, MS.
Where does Dr. Stefan Massong practice?
Dr. Stefan Massong practices at 2472 Pass RD, Biloxi, MS 395312838. Office phone: 2283889303.
What is Dr. Stefan Massong's NPI?
Dr. Stefan Massong's National Provider Identifier (NPI) is 1568556082, issued by NPPES.
Does Dr. Stefan Massong accept Medicare assignment?
Yes. Dr. Stefan Massong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stefan Massong commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of psychological test, each additional hour (HCPCS 96131); Psychiatric diagnostic evaluation (HCPCS 90791); Administration of psychological or neuropsychological test (HCPCS 96137). Source: CMS Medicare Physician & Other Practitioners file.