Ji Sun Baek, M.D.
NPI 1164816070 · Anesthesiology Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ji Sun Baek, M.D. is a Anesthesiology Physician provider in Vallejo, CA (NPI 1164816070).
Provider details
- NPI number
- 1164816070
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 147376 (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
11 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
- 2015-03-28
- Last updated
- 2023-01-30
- Certified
- 2023-01-30
Frequently asked questions
- What is Ji Sun Baek's NPI number?
- Ji Sun Baek's National Provider Identifier (NPI) is 1164816070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ji Sun Baek's specialty?
- Ji Sun Baek is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ji Sun Baek located?
- Ji Sun Baek's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Ji Sun Baek's phone number?
- The practice phone number listed in the NPPES registry for Ji Sun Baek is (707) 651-2011.
- Does Ji Sun Baek accept Medicare?
- Ji Sun Baek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ji Sun Baek's NPI active?
- Yes — Ji Sun Baek's NPI (1164816070) is active in the NPPES registry as of the last update on 2023-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.