Josefino Diaz
Josefino Diaz is an Internal Medicine provider in Duluth, MN, as of July 2026.
- NPI1891723599
- Registered2006
- Class of1983
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Josefino Diaz at a glance
- Provider
- Josefino Diaz
- Specialty
- Internal Medicine
- Procedures
- Internal Medicine CPT codes
- Location
- Duluth, MN
- Medical school
- Saint Louis University School of Medicine
- Graduated
- 1983
- NPI registered
- 2006
- NPI
- 1891723599
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Josefino Diaz practice?
Josefino Diaz is based in Duluth, MN. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Josefino Diaz's NPI number?
Josefino Diaz's National Provider Identifier (NPI) is 1891723599, registered in 2006. Specialty on record: Internal Medicine.
Where did Josefino Diaz go to medical school?
Josefino Diaz attended Saint Louis University School of Medicine, graduating in 1983.
How many Internal Medicine providers in Minnesota work at ambulatory surgery centers?
9 Internal Medicine surgeons and proceduralists in Minnesota are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Josefino Diaz among them. The Minnesota Internal Medicine directory lists each one by city with credential, NPI, and center affiliations.
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