Eugenia Toneva-Merdjanova, PA-C
Physician Assistant · Laguna Niguel, CA
Eugenia Toneva-Merdjanova, PA-C is a physician assistant with a practice address in Laguna Niguel, California, and NPI 1578656997, issued on Sep 30, 2006. Check the license (California PA18193, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eugenia Toneva-Merdjanova
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA18193 CA
Self-reported in NPPES; status is on the state search - Practice location
- 30281 Golden Lantern, Laguna Niguel, CA 92677
- Phone
- (949) 495-7144
- Enumerated
- Sep 30, 2006
- Record last updated
- Feb 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20100527000436); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 30281 Golden Lantern
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Valery Bergeron-Desimone, PA-CPhysician Assistant1801097704
- Bassam Bilal, M.D.Internal Medicine Physician1306890827
- Ji Chun, PA-CMedical Physician Assistant1982912945
- Vincent Duda, MDInternal Medicine Physician1104883610
- Amitpal Kohli, M.D.Endocrinology, Diabetes & Metabolism Physician1215151071
- Lothar McMillian, M.D.Family Medicine Physician1588748891
Verify Eugenia Toneva-Merdjanova in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA18193Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average physician assistant in 2024
2,160 Medicare Part D claims for 330 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 124 claims were for opioids.
Most prescribed
- Lisinopril93 claims
- Atorvastatin Calcium91 claims
- Amlodipine Besylate67 claims
- Levothyroxine Sodium67 claims
- Hydrocodone-Acetaminophen55 claims
- Zolpidem Tartrate54 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: $64.55
2 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 64,719 providers of this specialty with any payment received $841.65 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 2 group practices
- Centers For Family Medicine GPSan Juan Capistrano, CA
- Healthcare Partners Affiliates Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eugenia Toneva-Merdjanova among 14,451 physician assistant records in California
Eugenia Toneva-Merdjanova, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2005 · median 2018 among the 7,214 with a school on file
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 physician assistant records list a practice address in Laguna Niguel
They are 15 of the 885 NPPES records with a practice address in Laguna Niguel, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Laguna Niguel → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Lauren Balbas, MS, PA-CLaguna Niguel, CA 926771417352345
- Valery Bergeron-Desimone, PA-CLaguna Niguel, CA 926771801097704
- Terri Cho, PALaguna Niguel, CA 926771174642524
- Shaun Davies, PA-CLaguna Niguel, CA 926771902162357
- Jill Jones, PA-CLaguna Niguel, CA 926771164630901
- Thuy NguyenLaguna Niguel, CA 926771770832347
- Quan NguyenLaguna Niguel, CA 926771912619214
- Alyssa Ogden, PA-CLaguna Niguel, CA 926771942811617
Common questions
What is Eugenia Toneva-Merdjanova, PA-C's NPI number?
Eugenia Toneva-Merdjanova, PA-C's National Provider Identifier (NPI) is 1578656997, issued on Sep 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eugenia Toneva-Merdjanova, PA-C located?
The NPPES record lists a practice address at 30281 Golden Lantern, Laguna Niguel, CA, 92677. Phone: (949) 495-7144. Providers update this record themselves, so call before visiting.
How can I verify Eugenia Toneva-Merdjanova, PA-C's license?
NPPES lists California license number PA18193, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Eugenia Toneva-Merdjanova, PA-C prescribe under Medicare Part D?
In 2024, Eugenia Toneva-Merdjanova, PA-C had 2,160 Medicare Part D claims for 330 beneficiaries; the average among physician assistant prescribers was 830. 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.