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DR. DIANE LEE RAMIREZ O.D.
NPI 1669840534
Optometrist in Friant, CA

Active since September 09, 2015PECOS Enrolled
23638 SKY HARBOUR RD, FRIANT, CA 93626(559) 822-4899 Get Directions Write a Review

NPPES record last updated: February 7, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Feb 7, 2023, Nov 12, 2021, Jul 16, 2021 and 4 more (7 updates tracked since 2019).

About Dr. Diane Lee Ramirez O.d. NPPES

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

DR. DIANE LEE RAMIREZ O.D. (NPI 1669840534) is an individual optometrist in Friant, California, licensed in California (33345TLG) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669840534
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. DIANE LEE RAMIREZCredential: O.D.
Location Address23638 SKY HARBOUR RDFriant, CA 93626
Mailing AddressPo Box 410Friant, CA 93626-0410
Phone(559) 822-4899
Sole ProprietorYes
Enumeration DateSeptember 9, 2015
Last NPPES UpdateFebruary 7, 20237 updates tracked since enumeration
NPPES CertifiedJanuary 31, 2023
✔ NPI 1669840534 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 · 33345TLG
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.
23638 SKY HARBOUR RD, Friant, CA 93626
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Other Names 1

Former Name (1)Diane Lee Od

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Lee Ramirez O.d. 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

2

Medicare enrollment records show Diane Ramirez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Healthcare Network
13 mi
Federally Qualified Health Center (FQHC)
7060 N RECREATION AVE
Fresno, CA 93720
  • Reassigned Medicare billing, California enrollment
  • 276 clinicians in this Medicare group
NPI 1902439789 (559) 737-4700
Vista Center For The Blind And Visually Impaired
130 mi
Low Vision Rehabilitation
3315 MISSION DR STE B
Santa Cruz, CA 95065
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1255388765 (831) 458-9766

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 93626 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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.

TABLE MOUNTAIN RANCHERIA MEDICAL CENTER
Internal Medicine
23638 SKY HARBOUR RD
FRIANT, CA 93626
Fresno County (559) 822-3785

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 Ramirez's NPI number?

The NPI number for Diane Ramirez is 1669840534. It was assigned to this individual provider in the NPPES registry on September 9, 2015. The provider is also known as Diane Lee Od.

Where is Diane Ramirez located?

Diane Ramirez practices at 23638 Sky Harbour Rd, Friant, CA 93626. The listed phone number is (559) 822-4899.

What is Diane Ramirez's specialty?

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

Is Diane Ramirez enrolled in Medicare?

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

Which organizations bill Medicare for Diane Ramirez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diane Ramirez reassigns Medicare benefits to 2 organizations: Family Healthcare Network (Fresno, CA) and Vista Center For The Blind And Visually Impaired (Santa Cruz, CA). 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 Diane Ramirez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diane Ramirez accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Diane Ramirez 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 Ramirez was last updated on February 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.