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

Individual provider Internal Medicine Physician · NPI 1235161787

Tom-Oliver Klein, MD is an Internal Medicine in Chula Vista, California. Qualified in 2000, 26 years ago. Practices with Inpatient Medicine Services LLC, a 9-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
26
Licensed in
CA
In the registry since
2006
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

525 3rd Ave
Chula Vista, CA 91910-5616
Phone: (619) 499-2600
Fax: (619) 585-4353
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C53959 (CA)

Record details

NPI number1235161787
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESJune 24, 2013
Mailing address525 3rd Ave, Chula Vista, CA 91910-5616

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Inpatient Medicine Services Llc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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