DR. MATTHEW HAKIMI MD
NPI 1639433246
Internal Medicine - Clinical Cardiac Electrophysiology in Ventura, CA

Active since June 28, 2012PECOS EnrolledAccepts Medicare Assignment
100 N BRENT ST STE 301, VENTURA, CA 93003(805) 653-0101(085) 641-0434 Get Directions Write a Review

NPPES record last updated: September 12, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 12, 2024, Sep 12, 2019 (2 updates tracked since 2019).

About Dr. Matthew Hakimi Md NPPES

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

DR. MATTHEW HAKIMI MD (NPI 1639433246) is an individual clinical cardiac electrophysiology provider in Ventura, California, licensed in California (A128649) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Oxnard, and is a graduate of Univ Of Calif, Los Angeles School Of Dentistry (2012).

NPPES Registry Identity

NPI1639433246
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameDR. MATTHEW HAKIMICredential: MD
Location Address100 N BRENT ST STE 301Ventura, CA 93003-2836
Mailing Address100 N Brent St Ste 301Ventura, CA 93003-2836 · (805) 653-0101 · Fax (085) 641-0434
Fax(085) 641-0434
Sole ProprietorYes
Medical School CMSUniv Of Calif, Los Angeles School Of DentistryGraduated 2012
Enumeration DateJune 28, 2012
Last NPPES UpdateSeptember 12, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2024
✔ NPI 1639433246 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
License✔ Licensed in CA · A128649
Definition
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Also ListedInternal MedicineTaxonomy 207R00000X · License A128649 (CA)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License A128649 (CA)
100 N BRENT ST STE 301, Ventura, CA 93003

Secondary Practice Location 1

Location 11701 Solar Dr Ste 150Oxnard, CA 93030-0138 · Phone (805) 278-4020 · Fax (805) 278-4015

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

Dr. Matthew Hakimi Md 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 ID4284911348
PECOS Enrollment IDI20190123003061
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

8

Medicare enrollment records show Matthew Hakimi reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Specialty
100 N BRENT ST STE 301
Ventura, CA 93003
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group
Cardiovascular Disease
2080 CENTURY PARK E, SUITE 1405
Los Angeles, CA 90067
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
Hospitalist
8700 BEVERLY BLVD
West Hollywood, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 4 clinicians in this Medicare group
Clinical Cardiac Electrophysiology
8631 W 3RD ST STE 1017
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
Hospitalist
2623 E SLAUSON AVE
Huntington Park, CA 90255
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
General Acute Care Hospital
1050 LINDEN AVE
Long Beach, CA 90813
  • Reassigned Medicare billing, California enrollment
  • 28 clinicians in this Medicare group
Cardiovascular Disease
1045 ATLANTIC AVE, SUITE 611
Long Beach, CA 90813
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
Psychologist
1000 JOHNSON FERRY RD NE
Atlanta, GA 30342
  • Reassigned Medicare billing, Georgia enrollment
  • 783 clinicians in this Medicare group

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 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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
12 services12 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93003 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
$140.72 typical visit price
range $62.32 – $185.36
Typical copayment $35.18 (range $15.58 – $46.34)
Most-billed visit code 99204
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
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.

Other Providers at the Same Location NPPES 13

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

Internal Medicine (Cardiovascular Disease)
100 N BRENT ST STE 301
VENTURA, CA 93003
Nurse Practitioner
100 N BRENT ST STE 301
VENTURA, CA 93003
Physician Assistant
100 N BRENT ST STE 301
VENTURA, CA 93003
Internal Medicine (Interventional Cardiology)
100 N BRENT ST STE 301
VENTURA, CA 93003
Physician Assistant (Medical)
100 N BRENT ST STE 301
VENTURA, CA 93003
Clinic/Center (Medical Specialty)
100 N BRENT ST STE 301
VENTURA, CA 93003
Physician Assistant
100 N BRENT ST STE 301
VENTURA, CA 93003
Internal Medicine (Clinical Cardiac Electrophysiology)
100 N BRENT ST STE 301
VENTURA, CA 93003

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 Matthew Hakimi's NPI number?

The NPI number for Matthew Hakimi is 1639433246. It was assigned to this individual provider in the NPPES registry on June 28, 2012.

Where is Matthew Hakimi located?

Matthew Hakimi practices at 100 N Brent St Ste 301, Ventura, CA 93003. The listed phone number is (805) 653-0101.

What is Matthew Hakimi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Matthew Hakimi enrolled in Medicare?

Yes. Matthew Hakimi 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 Matthew Hakimi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Hakimi reassigns Medicare benefits to 8 organizations: Cardiology Associates Medical Group (Ventura, CA), Shervin Eshaghian MD Inc (Los Angeles, CA), Beverly Hills Cardiology Hospital Services Apc (West Hollywood, CA), Matthew Hakimi MD Inc (Los Angeles, CA), Illuminary Medical Group, PC (Huntington Park, CA) and 3 more organizations, 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 Matthew Hakimi'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 Matthew Hakimi was last updated on September 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.