Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1225276504 Individual Practitioner Male Practitioner

Dr. Leonard Walter Ostrowski , DDS

Dentist • Tustin, CA

Professional Overview & Biography Verified Profile Summary

Dr. Leonard Ostrowski, DDS is a registered healthcare professional specializing in Dentist in Tustin, CA. Practice services are available at 13721 NEWPORT AVE., SUITE 1 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

13721 Newport Ave., Suite 1

Tustin, CA 92780

Telephone 7143681400
Associated Practice Facility / Clinic
🏢 Sharifian Dental Corporation Facility NPI 1144313339

Specialty Benchmarks & Practice Insights

Comparative analytics for Dentist in Tustin, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 14.4 Yrs
Regional Practice Density
65 Specialists

Practicing in Tustin, CA (15331 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

Dentist Primary Specialty

NUCC Taxonomy Code: 122300000X

State License CA 58004

A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist.

Practice Associates & Co-Workers

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

3 Associated Practitioners
Dr. Sarah Chong , DDS

Dentist - General Practice

NPI 1174923262

Doctor of Dental Surgery

Dr. Van Trinh , DDS

Dentist - General Practice

NPI 1376646232

Doctor of Dental Surgery

Dr. Surabi Subramanian , DDS

Dentist - General Practice

NPI 1396664066

Doctor of Dental Surgery

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active January 26, 2009

NPI status registered as active in NPPES database

📍
Updated Practice Location January 26, 2009

Registered at 13721 NEWPORT AVE., SUITE 1, TUSTIN, CA 92780 (Tel: 7143681400)

📍
Updated Business Mailing Address January 26, 2009

Registered at 145 GUILFORD CIR, VALPARAISO, IN 463858023 (Tel: 2199213767)

👤
Provider Name / Credentials Updated January 26, 2009

Recorded as LEONARD OSTROWSKI, DDS

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 26, 2009

Dentist (License #58004 in CA)

🟢
Initial NPI Registration & Enumeration January 26, 2009

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: 1225276504
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 26, 2009
Last Update: January 26, 2009
Sole Proprietor: No

Mailing Address

145 Guilford Cir

Valparaiso, IN 463858023

Phone: 2199213767

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.