Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Grace Lozinski MD Inc

Organization Internal Medicine Physician · NPI 1811865892

Grace Lozinski MD Inc is an Internal Medicine Physician in Irvine, California. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4950 Barranca Pkwy Ste 207
Irvine, CA 92604-8648
Phone: (949) 262-9700
Fax: (949) 262-0700
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1811865892
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Grace Lozinski — Owner · (949) 262-9700
NPI enumeratedOctober 29, 2025
Last updated in NPPESMarch 3, 2026
Certification dateMarch 3, 2026
Mailing address2108 N St Ste N, Sacramento, CA 95816-5712

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