Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Karin Alvarenga Hd Nielsen, MD

Individual provider Pediatric Infectious Diseases Physician · NPI 1194832469

Dr. Karin Alvarenga Hd Nielsen, MD is a Pediatric Medicine in Los Angeles, California. Qualified in 1986, 40 years ago. Practices with Uc Regents, a 101-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
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

10833 Le Conte Ave 12-441MDCC
Los Angeles, CA 90095-3075
Phone: (310) 206-3952
Fax: (310) 206-0209
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Infectious Diseases Physician (primary) Taxonomy 2080P0208X · Licence A64837 (CA)

Record details

NPI number1194832469
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 24, 2006
Last updated in NPPESJuly 9, 2007

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Uc Regents — 101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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