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NELLIE ROSE EKMEKJIAN M.D.
NPI 1467898478
Emergency Medicine in Studio City, CA

Active since May 16, 2013PECOS EnrolledAccepts Medicare Assignment
91.37/100
CMS Quality Rating
12400 VENTURA BLVD, #1021, STUDIO CITY, CA 91604(818) 907-2825 Get Directions Write a Review

NPPES record last updated: September 1, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 1, 2016, Jul 13, 2016 (2 updates tracked since 2016).

About Nellie Rose Ekmekjian M.d. NPPES

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

NELLIE ROSE EKMEKJIAN M.D. (NPI 1467898478) is an individual emergency medicine provider in Studio City, California, licensed in California (A132561) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2013).

NPPES Registry Identity

NPI1467898478
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameNELLIE ROSE EKMEKJIANCredential: M.D.
Location Address12400 VENTURA BLVD, #1021Studio City, CA 91604-2406
Mailing Address12400 Ventura Blvd, #1021Studio City, CA 91604-2406
Phone(818) 907-2825
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2013
Enumeration DateMay 16, 2013
Last NPPES UpdateSeptember 1, 20162 updates tracked since enumeration
✔ NPI 1467898478 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A132561
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
12400 VENTURA BLVD, Studio City, CA 91604
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nellie Rose Ekmekjian M.d. 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 ID9830498450
PECOS Enrollment IDI20160718001077
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.

Medicare Billing Reassignments

6

Medicare enrollment records show Nellie Ekmekjian reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sherman Oaks Emergency Medical Associates
2.9 mi
Emergency Medicine
4929 VAN NUYS BLVD
Sherman Oaks, CA 91403
  • Reassigned Medicare billing, California enrollment
  • 63 clinicians in this Medicare group
NPI 1518904150 (310) 379-2134
Burbank Emergency Medical Group Inc
4.4 mi
Emergency Medicine
501 S BUENA VISTA ST, EM DEPT
Burbank, CA 91505
  • Reassigned Medicare billing, California enrollment
  • 51 clinicians in this Medicare group
NPI 1689636730 (818) 843-5111
Valley Presbyterian Emergency Medical Associates
4.9 mi
Emergency Medicine
15107 VANOWEN ST
Van Nuys, CA 91405
  • Reassigned Medicare billing, California enrollment
  • 86 clinicians in this Medicare group
NPI 1033133103 (310) 321-0143
Cep America - California
8.9 mi
Emergency Medicine
2121 SANTA MONICA BLVD
Santa Monica, CA 90404
  • Reassigned Medicare billing, California enrollment
  • 1,204 clinicians in this Medicare group
NPI 1063081545 (310) 829-5511
Faculty Physicians And Surgeons Of Llusm
9.9 mi
Transplant Surgery
1505 WILSON TERRACE, SUITE 155
Glendale, CA 91206
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
NPI 1508255175 (909) 558-3636
West Hills Emergency Medical Associates, Inc
14 mi
Emergency Medicine
7300 MEDICAL CENTER DR
West Hills, CA 91307
  • Reassigned Medicare billing, California enrollment
  • 49 clinicians in this Medicare group
NPI 1275761249 (818) 676-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
186 services181 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
157 services156 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
127 services126 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
69 services65 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
31 services30 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91604 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.37/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.09
Improvement Activities40

Other Providers at the Same Location NPPES 3

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

SANDI J. FISCHER PH.D.
Psychologist
12400 VENTURA BLVD, SUITE 230
STUDIO CITY, CA 91604
Los Angeles County (818) 506-4194
ADELE HOUSE MFT
Marriage & Family Therapist
12400 VENTURA BLVD
STUDIO CITY, CA 91604
Los Angeles County (310) 266-7462
LONGVIEW MEDICAL INC
Internal Medicine (Gastroenterology)
12400 VENTURA BLVD, SUITE 526
STUDIO CITY, CA 91604
Los Angeles County (818) 915-3820

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nellie Ekmekjian's NPI number?

The NPI number for Nellie Ekmekjian is 1467898478. It was assigned to this individual provider in the NPPES registry on May 16, 2013.

Where is Nellie Ekmekjian located?

Nellie Ekmekjian practices at 12400 Ventura Blvd #1021, Studio City, CA 91604. The listed phone number is (818) 907-2825.

What is Nellie Ekmekjian's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nellie Ekmekjian enrolled in Medicare?

Yes. Nellie Ekmekjian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Nellie Ekmekjian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nellie Ekmekjian reassigns Medicare benefits to 6 organizations: Sherman Oaks Emergency Medical Associates (Sherman Oaks, CA), Burbank Emergency Medical Group Inc (Burbank, CA), Valley Presbyterian Emergency Medical Associates (Van Nuys, CA), Cep America - California (Santa Monica, CA), Faculty Physicians And Surgeons Of Llusm (Glendale, CA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nellie Ekmekjian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nellie Ekmekjian was last updated on September 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.