Karen Fremen, D.O.
NPI 1205271285 · Hospitalist Physician · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Fremen, D.O. is a Hospitalist Physician provider in Orange, CA (NPI 1205271285).
Provider details
- NPI number
- 1205271285
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A13880 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 5901 E 7th StLong Beach, CA 90822-5201Phone: (562) 826-8000
Registry dates
- Enumerated
- 2013-05-06
- Last updated
- 2024-10-30
- Certified
- 2024-10-30
Frequently asked questions
- What is Karen Fremen's NPI number?
- Karen Fremen's National Provider Identifier (NPI) is 1205271285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Fremen's specialty?
- Karen Fremen is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Fremen located?
- Karen Fremen's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Karen Fremen's phone number?
- The practice phone number listed in the NPPES registry for Karen Fremen is (714) 880-7812.
- Does Karen Fremen accept Medicare?
- Karen Fremen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Fremen's NPI active?
- Yes — Karen Fremen's NPI (1205271285) is active in the NPPES registry as of the last update on 2024-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.