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

Donald J Portocarrero, DO

Individual provider Gastroenterology Physician · NPI 1841503570

Donald J Portocarrero, DO is an Internal Medicine in Arcadia, California. Qualified in 2008, 18 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Licensed in
CA
In the registry since
2010
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

623 W Duarte Rd Ste 8
Arcadia, CA 91007-7349
Phone: (626) 461-5408
Fax: (626) 461-5436
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 20A11058 (CA)

Record details

NPI number1841503570
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 22, 2010
Last updated in NPPESMarch 14, 2024
Certification dateMarch 14, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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