Marissa Dembek, PA-C, CAQ-PSYCH
Medical Physician Assistant · Orange, CA
Marissa Dembek, PA-C, CAQ-PSYCH is a medical physician assistant with a practice address in Orange, California, and NPI 1376273334, issued on Jun 13, 2022. Check the license (California PA62496, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Dembek
- Credential
- PA-C, CAQ-PSYCH
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA62496 CA
Self-reported in NPPES; status is on the state search - Practice location
- 302 W LA Veta Ave Ste 202, Orange, CA 92866
- Phone
- (714) 545-5550
- Enumerated
- Jun 13, 2022
- Record last updated
- Sep 30, 2025
- Fax
- (714) 202-5555
- Medicare enrollment
- Enrolled (PECOS I20230404001333); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 302 W LA Veta Ave Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Albaugh, PAPsychiatric/Mental Health Clinical Nurse Specialist1326647413
- Gustavo Alva, M.D.Psychiatry Physician1417030222
- Akeem Borom, PA-CPhysician Assistant1316679822
- Jarrod Carver, PMHNPPsychiatric/Mental Health Nurse Practitioner1083418628
- Michael Choi, PA-CPsychiatric/Mental Health Clinical Nurse Specialist1881232429
- Yvette Elpidio, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1043657547
Verify Marissa Dembek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA62496Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average medical physician assistant in 2024
1,563 Medicare Part D claims for 117 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Trazodone Hcl95 claims
- Quetiapine Fumarate92 claims
- Buspirone Hcl74 claims
- Escitalopram Oxalate73 claims
- Lamotrigine71 claims
- Hydroxyzine Hcl70 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5,786.86
226 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Pacific Neuropsychiatric Specialists IncOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Dembek among 3,376 medical physician assistant records in California
Marissa Dembek, PA-C, CAQ-PSYCH is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 82% of them.
- NPI issued2022 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2022 · median 2012 among the 1,347 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Orange → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Kelli Hernandez, PA-COrange, CA 928661639489727
- Joan Stoykovich, PA-C, RNPOrange, CA 928661750467346
- Tracy Hanh Vu, PAOrange, CA 928661346912813
- Kelly Watson, PA-COrange, CA 928661669805305
- Christina Yarwood, P.A.Orange, CA 928661174684666
- Lacee Oliver, PAOrange, CA 928671891331385
- Allison Checchio, ATCOrange, CA 928681689634321
- Maryanne Furtek, PAOrange, CA 928681659303881
Common questions
What is Marissa Dembek, PA-C, CAQ-PSYCH's NPI number?
Marissa Dembek, PA-C, CAQ-PSYCH's National Provider Identifier (NPI) is 1376273334, issued on Jun 13, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Dembek, PA-C, CAQ-PSYCH located?
The NPPES record lists a practice address at 302 W LA Veta Ave Ste 202, Orange, CA, 92866. Phone: (714) 545-5550. Providers update this record themselves, so call before visiting.
How can I verify Marissa Dembek, PA-C, CAQ-PSYCH's license?
NPPES lists California license number PA62496, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Dembek, PA-C, CAQ-PSYCH prescribe under Medicare Part D?
In 2024, Marissa Dembek, PA-C, CAQ-PSYCH had 1,563 Medicare Part D claims for 117 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.