EUGENIA TONEVA-MERDJANOVA PA-C
NPI 1578656997
Physician Assistant in Laguna Niguel, CA

Q: What is Eugenia Toneva-merdjanova's NPI number?

The NPI number for Eugenia Toneva-merdjanova is 1578656997. It was assigned to this individual provider in the NPPES registry on September 30, 2006.

Q: What is Eugenia Toneva-merdjanova's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Active since September 30, 2006PECOS EnrolledAccepts Medicare Assignment

30281 GOLDEN LANTERN, LAGUNA NIGUEL, CA 92677(949) 495-7144 Get Directions Write a Review

NPPES record last updated: February 23, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 30, 2025, Aug 7, 2025, Jul 21, 2022 and 2 more (5 updates tracked since 2017).

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About Eugenia Toneva-merdjanova Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EUGENIA TONEVA-MERDJANOVA PA-C (NPI 1578656997) is an individual physician assistant in Laguna Niguel, California, licensed in California (PA18193) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1578656997

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameEUGENIA TONEVA-MERDJANOVACredential: PA-C

Location Address30281 GOLDEN LANTERNLaguna Niguel, CA 92677-5979

Mailing AddressPo Box 35380Las Vegas, NV 89133-5380

Phone(949) 495-7144

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateSeptember 30, 2006

Last NPPES UpdateFebruary 23, 20265 updates tracked since enumeration

NPPES CertifiedFebruary 23, 2026

✔ NPI 1578656997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in CA · PA18193

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

30281 GOLDEN LANTERN, Laguna Niguel, CA 92677

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Eugenia Toneva-merdjanova Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072642123

PECOS Enrollment IDI20100527000436

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

84 services52 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

78 services47 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92677 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. STUART C SEIGEL MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)