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ROBERT T MAZUREK M.D.
NPI 1639191141
Orthopaedic Surgery in Ventura, CA

Active since July 24, 2006PECOS EnrolledAccepts Medicare Assignment
168 N BRENT ST, SUITE 501, VENTURA, CA 93003(805) 641-0273(805) 641-0574 Get Directions Write a Review

NPPES record last updated: February 28, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Robert T Mazurek M.d. NPPES

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

ROBERT T MAZUREK M.D. (NPI 1639191141) is an individual orthopaedic surgery provider in Ventura, California, licensed in California (A46108) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Louisiana State University School Of Medicine In New Orleans (1985).

NPPES Registry Identity

NPI1639191141
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameROBERT T MAZUREKCredential: M.D.
Location Address168 N BRENT ST, SUITE 501Ventura, CA 93003-2840
Mailing Address168 N Brent St, Suite 501Ventura, CA 93003-2840 · (805) 641-0273 · Fax (805) 641-0574
Phone(805) 641-0273
Fax(805) 641-0574
Sole ProprietorYes
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 1985
Enumeration DateJuly 24, 2006
Last NPPES UpdateFebruary 28, 2014
✔ NPI 1639191141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in CA · A46108
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
168 N BRENT ST, Ventura, CA 93003
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Other Identifiers 4

Medicaid00A461080CA
OtherA46108ACA · Ptan
Medicare PINA46108ACA
Medicare UPINE82295CA

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

Robert T Mazurek 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 ID5193745040
PECOS Enrollment IDI20051206001053
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 Reassignment

Medicare enrollment records show Robert Mazurek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community Memorial Health System
Same address
Multi-Specialty
168 N BRENT STREET, 302
Ventura, CA 93003
  • Reassigned Medicare billing, California enrollment
  • 267 clinicians in this Medicare group
NPI 1700303633 (805) 948-6373

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 6

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.
151 services98 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
135 services95 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
73 services73 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.
41 services35 patients
Replacement of knee joint, both sides of knee 27447
A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
17 services16 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.
14 services14 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
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
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.

Other Providers at the Same Location NPPES 20

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

MOUSTAPHA ABOU-SAMRA, MD, A PROFESSIONAL CORPORATION
Neurological Surgery
168 N BRENT ST, SUITE 408
VENTURA, CA 93003
Ventura County (805) 643-2179
DR. GEOFFREY L LOMAN M.D.
Family Medicine
168 N BRENT ST, STE 502
VENTURA, CA 93003
Ventura County (805) 641-2000
BRENT STREET FAMILY PRACTICE
Family Medicine
168 N BRENT ST, STE 502
VENTURA, CA 93003
Ventura County (805) 641-2000
VNS MANAGEMENT CO., INC.
Neurological Surgery
168 N BRENT ST, SUITE 408
VENTURA, CA 93003
Ventura County (805) 643-2179
GARRETT M. SNYDER, M.D. APC
Orthopaedic Surgery (Sports Medicine)
168 N BRENT ST, 505
VENTURA, CA 93003
Ventura County (805) 648-3902
KATHY WINGLAND RN, CNM
Registered Nurse
168 N BRENT ST, 407
VENTURA, CA 93003
Ventura County (805) 648-2717
STEPHEN D COVINGTON MD
Internal Medicine (Gastroenterology)
168 N BRENT ST, STE 404
VENTURA, CA 93003
Ventura County (805) 641-6525
TRACY ANN LYOU FNP
Nurse Practitioner (Family)
168 N BRENT ST, SUITE 502
VENTURA, CA 93003
Ventura County (805) 641-2000

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 Robert Mazurek's NPI number?

The NPI number for Robert Mazurek is 1639191141. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Robert Mazurek located?

Robert Mazurek practices at 168 N Brent St Suite 501, Ventura, CA 93003. The listed phone number is (805) 641-0273.

What is Robert Mazurek's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Robert Mazurek enrolled in Medicare?

Yes. Robert Mazurek 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 organization bills Medicare for Robert Mazurek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Mazurek reassigns Medicare benefits to Community Memorial Health System (Ventura, CA). The 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 Robert Mazurek'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 Robert Mazurek was last updated on February 28, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.