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DR. DIANNA REBECCA ALIAV OD
NPI 1851079354
Optometrist in Thousand Oaks, CA

Active since July 06, 2023PECOS EnrolledAccepts Medicare Assignment
277 HAMPSHIRE RD, THOUSAND OAKS, CA 91361(805) 495-4625 Get Directions Write a Review

NPPES record last updated: September 19, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 27, 2023, Jul 6, 2023 (2 updates tracked since 2023).

About Dr. Dianna Rebecca Aliav Od NPPES

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

DR. DIANNA REBECCA ALIAV OD (NPI 1851079354) is an individual optometrist in Thousand Oaks, California, licensed in California (35557) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Granada Hills, and is a graduate of Southern California College Of Optometry (2023).

NPPES Registry Identity

NPI1851079354
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. DIANNA REBECCA ALIAVCredential: OD
Location Address277 HAMPSHIRE RDThousand Oaks, CA 91361-2408
Mailing Address24301 Bessemer StWoodland Hills, CA 91367-1110 · (818) 570-3170
Phone(805) 495-4625
Sole ProprietorYes
Medical School CMSSouthern California College Of OptometryGraduated 2023
Enumeration DateJuly 6, 2023
Last NPPES UpdateSeptember 19, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 19, 2023
✔ NPI 1851079354 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 35557
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
277 HAMPSHIRE RD, Thousand Oaks, CA 91361
Open in Google Maps ↗

Secondary Practice Location 1

Location 116907 San Fernando Mission BlvdGranada Hills, CA 91344-4250 · Phone (818) 474-2020

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

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

Dr. Dianna Rebecca Aliav Od 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 ID4688037583
PECOS Enrollment IDI20230824003693
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.
25 services19 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91361 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
$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 4

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

DR. MANN TRINH O.D.
Optometrist
277 HAMPSHIRE RD
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 495-4625
M. TRINH OPTOMETRY INC
Optometrist
277 HAMPSHIRE RD
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 495-4625
RONALD L. GOLDSTEIN, O.D.
Optometrist
277 HAMPSHIRE RD
THOUSAND OAKS, CA 91361
Los Angeles County (805) 495-4625
DR. RONALD L. GOLDSTEIN O.D.
Optometrist
277 HAMPSHIRE RD
THOUSAND OAKS, CA 91361
Los Angeles County (805) 495-4625

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 Dianna Aliav's NPI number?

The NPI number for Dianna Aliav is 1851079354. It was assigned to this individual provider in the NPPES registry on July 6, 2023.

Where is Dianna Aliav located?

Dianna Aliav practices at 277 Hampshire Rd, Thousand Oaks, CA 91361. The listed phone number is (805) 495-4625.

What is Dianna Aliav's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Dianna Aliav enrolled in Medicare?

Yes. Dianna Aliav 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.

What insurance does Dianna Aliav accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Dianna Aliav as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dianna Aliav was last updated on September 19, 2023. 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.