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

Grace Lozinski, MD

Individual provider Internal Medicine Physician · NPI 1659399582

Grace Lozinski, MD is an Internal Medicine in Irvine, California. Graduated from New York Medical College in 2000, 26 years ago. Accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
26
Trained at
New York Medical College
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A77966 (CA)

Record details

NPI number1659399582
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2006
Last updated in NPPESJune 8, 2026
Certification dateJune 8, 2026
Mailing address5000 Birch St Ste 4700, Newport Beach, CA 92660-2187

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2000 (26 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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