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

Dr. Annette Corinne Olin, MD

Individual provider Hospitalist Physician · NPI 1053323881

Dr. Annette Corinne Olin, MD practises Internal Medicine in Long Grove, Illinois. Qualified in 2002, 24 years ago. Practices with Best Practices Inpatient Care, Ltd, a 83-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
24
Licensed in
IL
In the registry since
2006
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

3880 Salem Lake Dr # F
Long Grove, IL 60047
Phone: (847) 719-2220
Fax: (847) 719-2265
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2400 N Rockton Ave, Rockford, IL 61103-3655 — (815) 971-4025

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036116796 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 036116796 (IL)

Record details

NPI number1053323881
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 12, 2006
Last updated in NPPESMarch 7, 2023
Certification dateDecember 13, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Best Practices Inpatient Care, Ltd. — 83 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients571
Services billed 603 a service is one billed item, such as a visit, a test or a procedure
Average patient age79

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Best Practices Inpatient Care, Ltd

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 83 clinicians in the practice; 12 are shown here.

Other providers in Long Grove