Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Karen Rasmussen, MD

Works at hospitals in Long Beach, CA · Fountain Valley, CA · Orange, CA · California

Summary

Karen Rasmussen, MD (Family Practice) is listed by Medicare at 3 hospitals in Long Beach, CA, Fountain Valley, CA and Orange, CA. NPI 1750510368. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Karen Rasmussen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
18Years since medical school (graduated 2008)
University Of Cincinnati College Of MedicineMedical school
FemaleGender (as listed)
Healthcare Partners Affiliates Medical GroupGroup practice

Quick answers

Which hospitals does Karen Rasmussen work at?
Medicare's official clinician data lists Karen Rasmussen at 3 hospitals: Memorialcare Long Beach Medical Center, Memorialcare Orange Coast Medical Center and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Karen Rasmussen see patients?
Medicare's clinician data lists 1 practice location in Los Alamitos, CA. Call before your visit to confirm the address.
What is Karen Rasmussen's specialty?
Medicare lists Family Practice as the primary specialty.
Does Karen Rasmussen accept Medicare assignment?
Yes. Medicare's clinician data says Karen Rasmussen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Karen Rasmussen offer telehealth?
Medicare's clinician data says Karen Rasmussen offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Karen Rasmussen?
(562) 594-6599, as listed in official Medicare / NPI Registry data.
What is Karen Rasmussen's NPI number?
1750510368. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Karen Rasmussen works

Medicare's Facility Affiliation Data lists Karen Rasmussen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Karen Rasmussen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Karen Rasmussen as a member of this group (CMS data updated 2026-10-02).

  • Healthcare Partners Affiliates Medical Group754 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Los Alamitos

Clinicians with the same Medicare primary specialty in Los Alamitos, CA — not a recommendation.

All family doctors in Los Alamitos →

Clinician information

CredentialMD
Medical schoolUniversity Of Cincinnati College Of Medicine
Graduation year2008
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1750510368
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians