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

Dr. Theodore Cosmo Marentis, MD

Individual provider Diagnostic Radiology Physician · NPI 1740424134

Dr. Theodore Cosmo Marentis, MD is a Diagnostic Radiology in Carmichael, California. Graduated from Harvard Medical School in 2008, 18 years ago. Practices with Dignity Health Medical Foundation, a 1,204-clinician group and accepts Medicare assignment. Licensed in California and Michigan.

Years since qualifying
18
Trained at
Harvard Medical School
Licensed in
CA, MI
In the registry since
2009
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

6501 Coyle Ave Nuclear Medicine
Carmichael, CA 95608-0306
Phone: (916) 537-5208
Fax: (916) 537-5425
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence A131413 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 4301093810 (MI)

Record details

NPI number1740424134
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 29, 2009
Last updated in NPPESSeptember 22, 2014
Mailing address3400 Data Dr, Physician Support Services, Rancho Cordova, CA 95670-7956

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Also practisesNUCLEAR MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2008 (18 years in practice)
Group practice Dignity Health Medical Foundation — 1204 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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