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

Alexander Nieva Del Castillo, MD

Individual provider Internal Medicine Physician · NPI 1881705168

Alexander Nieva Del Castillo, MD is an Internal Medicine in Salt Lake City, Utah. Qualified in 1992, 34 years ago. Practices with Utah Regional Hospitalists LLC, a 121-clinician group and accepts Medicare assignment. Licensed in Utah.

Years since qualifying
34
Licensed in
UT
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

1160 E 3900 S G200
Salt Lake City, UT 84124-1202
Phone: (801) 268-7766
Fax: (801) 270-3381
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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 3746741205 (UT)

Record details

NPI number1881705168
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESDecember 5, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Utah Regional Hospitalists Llc — 121 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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