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DR. DIANE MOSSER HERNANDEZ O.D.
NPI 1326108747
Optometrist in Duarte, CA

Active since December 08, 2006PECOS Enrolled
1235 BUENA VISTA ST, DUARTE, CA 91010(626) 359-8145(626) 359-4116 Get Directions Write a Review

NPPES record last updated: July 29, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Diane Mosser Hernandez O.d. NPPES

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

DR. DIANE MOSSER HERNANDEZ O.D. (NPI 1326108747) is an individual optometrist in Duarte, California, licensed in California (08738T) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Indiana University - School Of Optometry (1987).

NPPES Registry Identity

NPI1326108747
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. DIANE MOSSER HERNANDEZCredential: O.D.
Location Address1235 BUENA VISTA STDuarte, CA 91010-2408
Mailing Address1235 Buena Vista StDuarte, CA 91010-2408 · (626) 359-8145
Phone(626) 359-8145
Fax(626) 359-4116
Sole ProprietorYes
Medical School CMSIndiana University - School Of OptometryGraduated 1987
Enumeration DateDecember 8, 2006
Last NPPES UpdateJuly 29, 2009
✔ NPI 1326108747 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 · 08738T
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.
1235 BUENA VISTA ST, Duarte, CA 91010
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Other Identifiers 5

Medicaid1697023CA
Medicare NSC0641870001
MedicaidSD0087381CA
Medicare UPINT70282CA
Medicare PINWOP8738BCA

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Diane Mosser Hernandez O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2769552652
PECOS Enrollment IDI20080604000283
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 Diane Hernandez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Drs. Edward P. And Diane M. Hernandez, O.D.
Same address
Optometrist
1235 BUENA VISTA ST
Duarte, CA 91010
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Edward P. & Diane M. Hernandez
  • 10 clinicians in this Medicare group
NPI 1619186848 (626) 359-8145

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91010 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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

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

DRS. EDWARD P. AND DIANE M. HERNANDEZ, O.D.
Optometrist
1235 BUENA VISTA ST
DUARTE, CA 91010
Los Angeles County (626) 359-8145

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 Diane Hernandez's NPI number?

The NPI number for Diane Hernandez is 1326108747. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is Diane Hernandez located?

Diane Hernandez practices at 1235 Buena Vista St, Duarte, CA 91010. The listed phone number is (626) 359-8145.

What is Diane Hernandez's specialty?

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

Is Diane Hernandez enrolled in Medicare?

Yes. Diane Hernandez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Diane Hernandez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diane Hernandez reassigns Medicare benefits to Drs. Edward P. And Diane M. Hernandez, O.D. (Duarte, 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 Diane Hernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diane Hernandez accept?

Health plans from Anthem Blue Cross and Blue Shield, 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 Diane Hernandez 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 Diane Hernandez was last updated on July 29, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.