Ming-Sing Si, M.D.
NPI 1093932261 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ming-Sing Si, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Los Angeles, CA (NPI 1093932261).
Provider details
- NPI number
- 1093932261
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301087555 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
19 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)
- 1500 E Medical Center DrAnn Arbor, MI 48109-5000Phone: (734) 936-4000
Registry dates
- Enumerated
- 2007-04-19
- Last updated
- 2021-09-02
- Certified
- 2021-09-02
Frequently asked questions
- What is Ming-Sing Si's NPI number?
- Ming-Sing Si's National Provider Identifier (NPI) is 1093932261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ming-Sing Si's specialty?
- Ming-Sing Si is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Ming-Sing Si located?
- Ming-Sing Si's practice location on file with NPPES is 100 Ucla Medical Plz Ste 630, Los Angeles, CA 90024-6997.
- What is Ming-Sing Si's phone number?
- The practice phone number listed in the NPPES registry for Ming-Sing Si is (310) 825-9011.
- Does Ming-Sing Si accept Medicare?
- Ming-Sing Si is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ming-Sing Si's NPI active?
- Yes — Ming-Sing Si's NPI (1093932261) is active in the NPPES registry as of the last update on 2021-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.