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

Dr. Gustavo Calleros, MD

Individual provider Family Medicine Physician · NPI 1346358827

Dr. Gustavo Calleros, MD is a Family Practice in Pasadena, California. Graduated from University of California, Irvine, California College of Medicine in 1999, 27 years ago. Practices with Modern Concepts Medical Group Inc, a 6-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
27
Trained at
University of California, Irvine, California College of Medicine
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

50 Bellefontaine St Ste 401
Pasadena, CA 91105-3132
Phone: (626) 793-1931
Fax: (626) 793-0161
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A74210 (CA)

Record details

NPI number1346358827
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 26, 2006
Last updated in NPPESDecember 29, 2010
Mailing address1217 W Whittier Blvd, Montebello, CA 90640-4642

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Modern Concepts Medical Group Inc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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