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

Tom Klein, MD

Individual provider Internal Medicine Physician · NPI 1326094194

Tom Klein, MD is an Internal Medicine in Riverwoods, Illinois. Qualified in 1976, 50 years ago. Practices with Tamid Medical Group, a 6-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
50
Licensed in
IL, WI
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

1105 Milwaukee Ave
Riverwoods, IL 60015-3512
Phone: (847) 325-5110
Fax: (847) 325-5114
Show map & directions

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

Additional practice locations (2)

  • 3825 N Central Ave, Chicago, IL 60634-2719 — (847) 325-5110
  • N2460 Geneva Street, Lake Geneva, WI 53147 — (847) 325-5110

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036065537 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4193020 (WI)

Record details

NPI number1326094194
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 25, 2006
Last updated in NPPESDecember 3, 2024
Certification dateDecember 3, 2024
Mailing address1105 Milwaukee Ave, Riverwoods, IL 60015-3512

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1976 (50 years in practice)
Group practice Tamid Medical Group — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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