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Optometry

Judith L. Ransberger, OD

Sees patients in Exeter, CA · California

Summary

Dr. Judith L. Ransberger, OD is an optometrist at 400 E Pine St, Exeter, CA 93221. Phone: (559) 592-3121. Accepts Medicare assignment. In 2024, Judith L. Ransberger had 343 Original Medicare patients and 1,045 services. NPI 1578501532. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 400 E Pine St, Exeter, CA 93221 · Directions
  • Phone: (559) 592‑3121
  • Medicare: Accepts Medicare assignment
  • Group practice: Miller and Ransberger Ods
  • Optometry school: University Of California - School Of Optometry · graduated 1987 (39 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Judith L. Ransberger, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Judith L. Ransberger accept Medicare assignment?
Yes. Medicare's clinician data says Judith L. Ransberger accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Judith L. Ransberger see?
In 2024, CMS data shows 343 Original Medicare patients and 1,045 services for Judith L. Ransberger. This counts Original Medicare only and measures volume, not quality.
What is Judith L. Ransberger's NPI number?
1578501532. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Judith L. Ransberger, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients343
Services billed to Medicare1,045
Different services or procedures18
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Photography of the retina (92250)497 services
  2. Established patient complete exam of visual system (92014)145 services
  3. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)115 services
  4. Imaging of optic nerve (92133)84 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)68 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure69%
  • Arthritis40%
  • Ischemic heart disease25%
  • Diabetes24%
  • Anxiety19%

Practice locations

Addresses where Judith L. Ransberger is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Judith L. Ransberger as a member of this group (CMS data updated October 2, 2026).

  • Miller and Ransberger Ods2 clinicians in the group

Specialties

Find other clinicians: Optometry, California →

Other optometrists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All optometrists in California →

Other clinicians in Miller and Ransberger Ods

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialOD
Optometry schoolUniversity Of California - School Of Optometry
Graduation year1987 (39 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578501532
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians