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

Dr. Walter Michael Bortz, MD

Individual provider Internal Medicine Physician · NPI 1225012016

Dr. Walter Michael Bortz, MD is an Internal Medicine in Marrero, Louisiana. Graduated from Boston University School of Medicine in 1993, 33 years ago. Practices with New Orleans Physician Services Inc, a 175-clinician group and accepts Medicare assignment. Licensed in California and Louisiana.

Years since qualifying
33
Trained at
Boston University School of Medicine
Licensed in
CA, LA
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1101 Medical Center Blvd
Marrero, LA 70072-3147
Phone: (504) 349-1656
Fax: (504) 349-1933
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 307621 (LA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G83310 (CA)

Record details

NPI number1225012016
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 5, 2005
Last updated in NPPESJanuary 2, 2019
Mailing address1101 Medical Center Blvd, Marrero, LA 70072-3147

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice New Orleans Physician Services Inc — 175 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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