Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Harold N. Rosengren, MD, a Medical Corporation

Organization Allergy Physician · NPI 1639497639

Harold N. Rosengren, MD, a Medical Corporation provides Allergy Physician services in Oxnard, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010

Practice location Address checks out

1100 W Gonzales Rd Ste 102
Oxnard, CA 93036-3336 Not confirmed with CMS for 16 years — call before visiting
Phone: (805) 983-0880
Fax: (805) 983-0408
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence G15538 (CA)

Record details

NPI number1639497639
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Harold Rosengren — Owner · (805) 983-0880
NPI enumeratedMay 14, 2010
Last updated in NPPESMay 14, 2010
Mailing address1100 W Gonzales Rd, Suite 102, Oxnard, CA 93036-3336