Mark Kim, M.D.
NPI 1073743621 · Internal Medicine Physician · Hawthorne, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kim, M.D. is a Internal Medicine Physician provider in Hawthorne, CA (NPI 1073743621).
Provider details
- NPI number
- 1073743621
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- AU29035993617 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2009-07-16
- Last updated
- 2021-10-21
- Certified
- 2021-10-21
Frequently asked questions
- What is Mark Kim's NPI number?
- Mark Kim's National Provider Identifier (NPI) is 1073743621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kim's specialty?
- Mark Kim is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Kim located?
- Mark Kim's practice location on file with NPPES is 11539 Hawthorne Blvd, Hawthorne, CA 90250-2381.
- What is Mark Kim's phone number?
- The practice phone number listed in the NPPES registry for Mark Kim is (310) 675-5370.
- Does Mark Kim accept Medicare?
- Mark Kim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kim's NPI active?
- Yes — Mark Kim's NPI (1073743621) is active in the NPPES registry as of the last update on 2021-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.