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

Katerina Nikolayevna Castillo, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1932782273

Katerina Nikolayevna Castillo, MD is an Internal Medicine in Ann Arbor, Michigan. Graduated from Mayo Medical School in 2021, 5 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
5
Trained at
Mayo Medical School
Licensed in
MI
In the registry since
2021
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

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone: (734) 936-4000
Show map & directions

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

Additional practice locations (1)

  • 1051 N Canton Center Rd, Canton, MI 48187-5097 — (734) 844-5400

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301513827 (MI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 4351047461 (MI)

Record details

NPI number1932782273
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2021
Last updated in NPPESJuly 21, 2025
Certification dateJuly 21, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolMAYO MEDICAL SCHOOL
Graduated 2021 (5 years in practice)
Group practice Regents Of The University Of Michigan — 3271 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Ann Arbor