Doctor profile · Federal record
Dr. Marissa Dembek, PA-C, CAQ-Psych
Medical Physician Assistant (CMS: Physician Assistant) · Psychiatric/Mental Health Clinical Nurse Specialist · Orange, CA
- NPI 1376273334
- Accepts Medicare
- 4 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
302 W la Veta Ave Ste 202
Orange, CA 928662607
(714) 545-5550
fax (714) 202-5555 - Mailing address
-
19782 Macarthur Blvd Ste 300
Irvine, CA 926122417
Credentials & registration
- NPI registered
- June 2022 — 4 yrs on file
- Profile last updated
- September 30, 2025
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- California #PA62496
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376273334. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
94
Distinct HCPCS
3
Medicare allowed
$7,751
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 40 | 17 | $62 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 32 | 20 | $84 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 22 | 12 | $118 |
In context: peer comparison
Among 12 peers in Orange Medical Physician Assistant, average services per provider: 75. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$5,787
Transactions
211
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, INC | 22 | $820.25 | |
| Abbvie INC. | 24 | $672.42 | |
| Neurocrine Biosciences, INC. | 15 | $538.48 | |
| Axsome Therapeutics, INC. | 10 | $486.75 | |
| Vanda Pharmaceuticals INC. | 16 | $485.43 | |
| Otsuka America Pharmaceutical, INC. | 18 | $441.60 | |
| Teva Pharmaceuticals USA, INC. | 20 | $440.52 | |
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 19 | $266.05 | |
| Corium, LLC | 11 | $254.13 | |
| Lundbeck LLC | 14 | $246.74 | |
| Tris Pharma INC | 10 | $204.20 | |
| Alkermes, INC. | 8 | $185.00 | |
| Indivior INC. | 5 | $154.95 | |
| Takeda Pharmaceuticals U.S.A., INC. | 12 | $143.27 | |
| Almatica Pharma LLC | 7 | $139.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
303
Patients
80
Total drug cost
$21,359
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trazodone Hcl | Generic | 39 | 17 | $323 |
| Hydroxyzine Hcl | Generic | 29 | 16 | $512 |
| Quetiapine Fumarate | Generic | 29 | 14 | $517 |
| Alprazolam | Generic | 24 | 11 | $114 |
| Buspirone Hcl | Generic | 23 | 11 | $290 |
| Gabapentin | Generic | 23 | 11 | $257 |
| Lamotrigine | Generic | 20 | 0 | $138 |
| Sertraline Hcl | Generic | 19 | 0 | $364 |
| Propranolol Hcl | Generic | 18 | 0 | $271 |
| Escitalopram Oxalate | Generic | 16 | 0 | $348 |
Frequently asked questions
What is Dr. Marissa Dembek's medical specialty?
Dr. Marissa Dembek practices Medical Physician Assistant in Orange, CA.
Where does Dr. Marissa Dembek practice?
Dr. Marissa Dembek practices at 302 W la Veta Ave Ste 202, Orange, CA 928662607. Office phone: 7145455550.
What is Dr. Marissa Dembek's NPI?
Dr. Marissa Dembek's National Provider Identifier (NPI) is 1376273334, issued by NPPES.
Does Dr. Marissa Dembek accept Medicare assignment?
Yes. Dr. Marissa Dembek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Dembek commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.