Justin Teng, M.D.
NPI 1639556228 · Anesthesiology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Teng, M.D. is a Anesthesiology Physician provider in Oakland, CA (NPI 1639556228).
Provider details
- NPI number
- 1639556228
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A147113 (CA)
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
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
- 2015-05-03
- Last updated
- 2022-08-02
- Certified
- 2022-08-02
Frequently asked questions
- What is Justin Teng's NPI number?
- Justin Teng's National Provider Identifier (NPI) is 1639556228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Teng's specialty?
- Justin Teng is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Teng located?
- Justin Teng's practice location on file with NPPES is 1411 E 31st St, Oakland, CA 94602-1018.
- What is Justin Teng's phone number?
- The practice phone number listed in the NPPES registry for Justin Teng is (916) 838-2391.
- Does Justin Teng accept Medicare?
- Justin Teng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Teng's NPI active?
- Yes — Justin Teng's NPI (1639556228) is active in the NPPES registry as of the last update on 2022-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.