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MARZIEH SIMONTON
NPI 1649717844
Nurse Practitioner - Primary Care in La Habra, CA

Active since January 25, 2017PECOS Enrolled
921 DONNYBROOK AVE, LA HABRA, CA 90631(714) 623-5552 Get Directions Write a Review

NPPES record last updated: February 2, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 2, 2017, Jan 25, 2017 (2 updates tracked since 2017).

About Marzieh Simonton NPPES

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

MARZIEH SIMONTON (NPI 1649717844) is an individual primary care provider in La Habra, California, licensed in California (95005809) and active in the NPI registry since January 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649717844
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameMARZIEH SIMONTON
Location Address921 DONNYBROOK AVELa Habra, CA 90631
Mailing Address921 Donnybrook AveLa Habra, CA 90631 · (714) 623-5552
Phone(714) 623-5552
Sole ProprietorNo
Enumeration DateJanuary 25, 2017
Last NPPES UpdateFebruary 2, 20172 updates tracked since enumeration
✔ NPI 1649717844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in CA · 95005809
921 DONNYBROOK AVE, La Habra, CA 90631
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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 (PECOS)

Marzieh Simonton is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Marzieh Simonton reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Can Emergency Physicians Medical Group Inc
16 mi
Emergency Medicine
14662 NEWPORT AVE
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 121 clinicians in this Medicare group
NPI 1386018356 (714) 619-7700
Hilton MD Inc.
17 mi
Hospitalist
17822 BEACH BLVD STE 430
Huntington Beach, CA 92647
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
NPI 1043425515 (714) 843-6800
Huntington Park Emergency Physicians, Inc
17 mi
Emergency Medicine
2623 E SLAUSON AVE
Huntington Park, CA 90255
  • Reassigned Medicare billing, California enrollment
  • 74 clinicians in this Medicare group
NPI 1053747121 (310) 321-0143
Corona Regional Emergency Medical Associates Inc
22 mi
Emergency Medicine
800 S MAIN ST
Corona, CA 92882
  • Reassigned Medicare billing, California enrollment
  • 114 clinicians in this Medicare group
NPI 1134629298 (310) 321-0143
Seven Star Hospital Associates Inc.
56 mi
Anesthesiology
1117 E DEVONSHIRE AVE
Hemet, CA 92543
  • Reassigned Medicare billing, California enrollment
  • 255 clinicians in this Medicare group
NPI 1407459506 (951) 652-2811
Apex Emergency Medical Group, Inc.
58 mi
Emergency Medicine
1117 E DEVONSHIRE AVE
Hemet, CA 92543
  • Reassigned Medicare billing, California enrollment
  • 129 clinicians in this Medicare group
NPI 1265711089 (951) 652-2811

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 3

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.

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.
57 services53 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.
37 services36 patients
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.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90631 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.

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 Marzieh Simonton's NPI number?

The NPI number for Marzieh Simonton is 1649717844. It was assigned to this individual provider in the NPPES registry on January 25, 2017.

Where is Marzieh Simonton located?

Marzieh Simonton practices at 921 Donnybrook Ave, La Habra, CA 90631. The listed phone number is (714) 623-5552.

What is Marzieh Simonton's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Marzieh Simonton enrolled in Medicare?

Yes. Marzieh Simonton is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marzieh Simonton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marzieh Simonton reassigns Medicare benefits to 6 organizations: Can Emergency Physicians Medical Group Inc (Tustin, CA), Hilton MD Inc. (Huntington Beach, CA), Huntington Park Emergency Physicians, Inc (Huntington Park, CA), Corona Regional Emergency Medical Associates Inc (Corona, CA), Seven Star Hospital Associates Inc. (Hemet, 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 Marzieh Simonton'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 Marzieh Simonton was last updated on February 2, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.