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

Dr. Eduardo Guillen, MD

Individual provider Hospitalist Physician · NPI 1891315933

Dr. Eduardo Guillen, MD is an Internal Medicine in Oakland, California. Qualified in 2019, 7 years ago. Practices with Alameda Inpatient Medical Inc, a 22-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Licensed in
CA
In the registry since
2020
Specialties on file
3
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

1411 E 31st St Fl 2
Oakland, CA 94602-1018
Phone: (510) 437-5039
Fax: (510) 535-7313
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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 A186129 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence A186129 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1891315933
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 18, 2020
Last updated in NPPESOctober 28, 2024
Certification dateOctober 28, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Alameda Inpatient Medical Inc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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