Individual provider · Type 1 NPI

Michael Neinast, DO

Nephrology Physician · Orange, CA

NPI number 1770105769 Active

Practice location

101 The City Dr S
Orange, CA 92868-3201

Call (714) 456-8888 Map

Other practice locations

  • 701 N 1st St, Springfield, IL 62702-3757 · (217) 545-8000
  • 751 N Rutledge St Ste 1100, Springfield, IL 62702-4968 · (217) 545-8000
  • 1300 Franklin Ave Ste 380, Normal, IL 61761-4266 · (309) 268-3598

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X125075898 (IL)
Internal Medicine Physician 207R00000X036.163604 (IL)
Nephrology Physician Primary 207RN0300X22603 (CA)

Nephrology Physician: An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

1,801 other providers at this address

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About NPI 1770105769

Michael Neinast, DO's National Provider Identifier is 1770105769, issued on May 12, 2020. The primary taxonomy on file is Nephrology Physician (207RN0300X), and the practice location is in Orange, CA. The record was last updated on Jul 22, 2026.