Doctor profile · Federal record
Dr. Mark Sergi, PH.D.
Clinical Psychologist · Clinical Psychologist · Northridge, CA
- NPI 1750483467
- 28 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
9535 Reseda Blvd Ste 112
Northridge, CA 913246022
(818) 239-2654
fax (818) 450-0636 - Additional location
-
11301 Wilshire Blvd # 210A
Los Angeles, CA 900731003
fax (310) 268-4056
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- May 30, 2020
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State licenses (2)
- California #16519 · California #PSY16519
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750483467. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
756
Distinct HCPCS
1
Medicare allowed
$117,046
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 756 | 27 | $155 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 192. This provider delivers 3.9× the peer median.Frequently asked questions
What is Dr. Mark Sergi's medical specialty?
Dr. Mark Sergi practices Clinical Psychologist in Northridge, CA.
Where does Dr. Mark Sergi practice?
Dr. Mark Sergi practices at 9535 Reseda Blvd Ste 112, Northridge, CA 913246022. Office phone: 8182392654.
What is Dr. Mark Sergi's NPI?
Dr. Mark Sergi's National Provider Identifier (NPI) is 1750483467, issued by NPPES.
Does Dr. Mark Sergi accept Medicare assignment?
Dr. Mark Sergi does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Mark Sergi commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.