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Active NPI 1285612416 Individual Practitioner Male Practitioner

Dr. Rene Avans Der Gregorian , DMD

Dentist • Pasadena, CA

Professional Overview & Biography Verified Profile Summary

Dr. Rene Der Gregorian, DMD is a registered healthcare professional specializing in Dentist in Pasadena, CA. Practice services are available at 988 E WASHINGTON BLVD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

988 E Washington Blvd

Pasadena, CA 911042438

Telephone 6262966600

Specialty Benchmarks & Practice Insights

Comparative analytics for Dentist in Pasadena, CA

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

Practicing in Pasadena, 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

CMS Verified: 2026-02-02
Dentist Primary Specialty

NUCC Taxonomy Code: 122300000X

State License CA 58165

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.

Career & Practice History Timeline

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

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 02, 2026

Dentist (License #58165 in CA)

NPI Profile Active February 16, 2010

NPI status registered as active in NPPES database

📍
Updated Practice Location February 16, 2010

Registered at 988 E WASHINGTON BLVD, PASADENA, CA 911042438 (Tel: 6262966600)

📍
Updated Business Mailing Address February 16, 2010

Registered at 1255 N VIRGIL AVE, #1, LOS ANGELES, CA 900292024 (Tel: 8186533825)

👤
Provider Name / Credentials Updated February 16, 2010

Recorded as RENE DER GREGORIAN, D.M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 16, 2010

Dentist (License #58163 in CA)

🟢
Initial NPI Registration & Enumeration January 06, 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: 1285612416
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 06, 2006
Last Update: February 02, 2026
Sole Proprietor: No

Mailing Address

1255 N Virgil Ave, #1

Los Angeles, CA 900292024

Phone: 8186533825

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.