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Optometry

Clifford Krok

Sees patients in Santa Cruz, CA · California

Summary

Clifford Krok (Optometry) is enrolled with Medicare at 1 practice location in Santa Cruz, CA. NPI 1346324712. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Clifford Krok, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OptometryPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
University Of California - School Of OptometryMedical school
MaleGender (as listed)
Krok and Shen Optometrists IncGroup practice

Quick answers

Where does Clifford Krok see patients?
Medicare's clinician data lists 1 practice location in Santa Cruz, CA. Call before your visit to confirm the address.
What is Clifford Krok's specialty?
Medicare lists Optometry as the primary specialty.
Does Clifford Krok accept Medicare assignment?
Yes. Medicare's clinician data says Clifford Krok accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Clifford Krok?
(831) 466-3937, as listed in official Medicare / NPI Registry data.
What is Clifford Krok's NPI number?
1346324712. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Clifford Krok is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Clifford Krok as a member of this group (CMS data updated 2026-10-02).

  • Krok and Shen Optometrists Inc8 clinicians in the group

Specialties

Find other clinicians: Optometry, California →

Other optometrists in Santa Cruz

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

All optometrists in Santa Cruz →

Clinician information

Medical schoolUniversity Of California - School Of Optometry
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346324712
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians