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

Individual provider Hospitalist Physician · NPI 1326234816

Guillermo Alberto Mantilla, MD is a Hospitalist in Carmichael, California. Qualified in 1997, 29 years ago. Practices with Dignity Health Medical Foundation, a 1,204-clinician group and accepts Medicare assignment. Licensed in California and Tennessee.

Years since qualifying
29
Licensed in
CA, TN
In the registry since
2007
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

6555 Coyle Ave Ste 280
Carmichael, CA 95608-0302
Phone: (916) 536-3540
Fax: (916) 536-3541
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence C159709 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence 42647 (TN)

Record details

NPI number1326234816
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 19, 2007
Last updated in NPPESFebruary 26, 2019

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Dignity Health Medical Foundation — 1204 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Other providers in Carmichael