Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1366500191 Deactivated / Inactive NPI Male Practitioner

Dr. Walter Krefetz , OD

Optometrist • Schenectady, NY

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Walter Krefetz has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date December 05, 2006
NPI Deactivation Date March 06, 2025
Total Practice Duration ~19 Years of Practice (2006 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. Walter Krefetz, OD was a registered Optometrist practicing in Schenectady, NY. Throughout an active medical career spanning 19 years, Dr. Krefetz provided care at the practice location at 1417 UNION ST until profile deactivation on 2025-03-06.

Practice Location & Contact Primary Location

Practice Address

1417 Union St

Schenectady, NY 123083009

Telephone 5183744385
Fax 5183741777
Associated Practice Facility / Clinic
🏢 Todd Pereira Optometrist Pllc Facility NPI 1235539909

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Schenectady, NY

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 35.2 Yrs
State Avg: 23.8 Yrs
Regional Practice Density
18 Specialists

Practicing in Schenectady, NY (3674 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License NY T3371

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
NPI 1497815096

Doctor of Optometry

NPI 1982639282

Doctor of Optometry

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated March 06, 2025

Record deactivated on March 06, 2025

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 1417 UNION ST, SCHENECTADY, NY 123083009 (Tel: 5183744385)

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Updated Business Mailing Address July 08, 2007

Registered at 1336 WEMPLE LN, NISKAYUNA, NY 123092423 (Tel: 5183744385)

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Provider Name / Credentials Updated July 08, 2007

Recorded as WALTER KREFETZ, O.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Optometrist (License #T3371 in NY)

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Initial NPI Registration & Enumeration December 05, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1366500191
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 05, 2006
Last Update: July 08, 2007
Deactivation Date: March 06, 2025

Mailing Address

1336 Wemple Ln

Niskayuna, NY 123092423

Phone: 5183744385

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.