Kenneth Sim, MD
NPI 1831109578 · Surgery Physician · Monterey Park, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Sim, MD is a Surgery Physician provider in Monterey Park, CA (NPI 1831109578).
Provider details
- NPI number
- 1831109578
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A40177 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-08-08
- Last updated
- 2024-01-15
- Certified
- 2024-01-15
Frequently asked questions
- What is Kenneth Sim's NPI number?
- Kenneth Sim's National Provider Identifier (NPI) is 1831109578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Sim's specialty?
- Kenneth Sim is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Sim located?
- Kenneth Sim's practice location on file with NPPES is 120 W Hellman Ave Ste 203, Monterey Park, CA 91754-1209.
- What is Kenneth Sim's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Sim is (626) 457-6333.
- Does Kenneth Sim accept Medicare?
- Kenneth Sim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Sim's NPI active?
- Yes — Kenneth Sim's NPI (1831109578) is active in the NPPES registry as of the last update on 2024-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.