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

Dr. Natalie S Opanasets, MD

Individual provider Family Medicine Physician · NPI 1366615833

Dr. Natalie S Opanasets, MD is a Family Practice in Michigan City, Indiana. Qualified in 1998, 28 years ago. Practices with University of Chicago, a 1,681-clinician group, works from 8 locations and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
28
Licensed in
IL, IN
In the registry since
2008
Specialties on file
2
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

4111 Franklin St
Michigan City, IN 46360-7803
Phone: (219) 873-2919
Fax: (219) 873-2909
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (7)

  • 47 W Polk St Ste G1, Chicago, IL 60605-2083 — (888) 824-0200
  • 5841 S Maryland Ave, Chicago, IL 60637-1443 — (888) 824-0200
  • 650 Dickinson Rd, Chesterton, IN 46304-3387 — (219) 926-7755
  • 401 Newporte Blvd, La Porte, IN 46350-4099 — (219) 575-6244
  • 3777 N Frontage Rd Ste 500, Michigan City, IN 46360-7697 — (219) 809-2889
  • 3630 Willowcreek Rd, Portage, IN 46368-5075 — (219) 364-3900
  • 809 Laporte Ave Ste B, Valparaiso, IN 46383-5801 — (219) 263-4977

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036123887 (IL)
Family Medicine Physician Taxonomy 207Q00000X · Licence 01069068A (IN)

Record details

NPI number1366615833
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 7, 2008
Last updated in NPPESMarch 14, 2025
Certification dateMarch 14, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice University Of Chicago — 1681 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Michigan City