Dr. Igor Nasonkin , PhD
Physician β’ Irvine, CA
103 Rockview
Irvine, CA 926123241
Phone: 6173082902
Location details and other listingsThis profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
This NPI Is Deactivated in NPPES
NPPES lists this NPI as deactivated as of December 17, 2023; the reason is not published. The records below are historical. They do not show whether Dr. Igor Nasonkin currently practices or holds a license; check the state medical board for current license status.
Practice Location & Contact Primary Location
103 Rockview
Irvine, CA 926123241
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Physician: NPPES taxonomy is a reported classification, not proof of board certification.
NPI first issued
2023
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Compared with the same specialty in Irvine and California
Comparisons are not shown because NPPES lists this NPI as deactivated.
Sources: CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 343900000X
A land vehicle with a capacity to meet special height, clearance, access, and seating, for the conveyance of persons in non-emergency situations. The vehicle may or may not be required to meet local county or state regulations.
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
NPPES lists this NPI as deactivated as of December 18, 2023; the reason is not published.
NPPES lists this NPI as deactivated as of December 17, 2023; the reason is not published.
NPI status registered as active in NPPES database
Registered at 103 ROCKVIEW, IRVINE, CA 926123241 (Tel: 6173082902)
Registered at 103 ROCKVIEW, IRVINE, CA 926123241 (Tel: 6173082902)
Recorded as IGOR NASONKIN, PHD
Non-emergency Medical Transport (VAN) (license number reported to NPPES: CA Y9190716)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Mailing Address
103 Rockview
Irvine, CA 926123241
Phone: 6173082902