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Ophthalmology

Zachary R. Richardson, MD

Works at hospitals in Monterey, CA · Salinas, CA · California

Summary

Dr. Zachary R. Richardson, MD is an ophthalmologist at 2 Upper Ragsdale Dr, B130, Monterey, CA 93940. Phone: (831) 647-3900. Accepts Medicare assignment. In 2024, Zachary R. Richardson had 1,694 Original Medicare patients and 6,204 services. NPI 1710245824. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Zachary R. Richardson, 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 Zachary R. Richardson accept Medicare assignment?
Yes. Medicare's clinician data says Zachary R. Richardson 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 Zachary R. Richardson see?
In 2024, CMS data shows 1,694 Original Medicare patients and 6,204 services for Zachary R. Richardson. This counts Original Medicare only and measures volume, not quality.
What is Zachary R. Richardson's NPI number?
1710245824. 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 Zachary R. Richardson, 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 patients1,694
Services billed to Medicare6,204
Different services or procedures33
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,677 services
  2. Exam of visual field with extended testing (92083)1,603 services
  3. Established patient complete exam of visual system (92014)720 services
  4. Imaging of optic nerve (92133)679 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)353 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 blood pressure75%
  • High cholesterol75%
  • Diabetes40%
  • Arthritis36%
  • Ischemic heart disease24%
  • Chronic kidney disease24%

Hospitals where Zachary R. Richardson works

Medicare's Facility Affiliation Data lists Zachary R. Richardson at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Zachary R. Richardson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zachary R. Richardson as a member of this group (CMS data updated October 2, 2026).

  • Vantage Eye Center a Medical Corp19 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Monterey

Clinicians with the same Medicare primary specialty in Monterey, CA — not a recommendation.

All ophthalmologists in Monterey →

Other clinicians in Vantage Eye Center a Medical Corp

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710245824
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians