Rui-Tao Zhang, M.D.
NPI 1669893384 · Internal Medicine Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rui-Tao Zhang, M.D. is a Internal Medicine Physician provider in Loma Linda, CA (NPI 1669893384).
Provider details
- NPI number
- 1669893384
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A128943 (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
12 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
- 2013-12-23
- Last updated
- 2021-12-22
- Certified
- 2021-12-22
Frequently asked questions
- What is Rui-Tao Zhang's NPI number?
- Rui-Tao Zhang's National Provider Identifier (NPI) is 1669893384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rui-Tao Zhang's specialty?
- Rui-Tao Zhang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rui-Tao Zhang located?
- Rui-Tao Zhang's practice location on file with NPPES is Loma Linda University, Loma Linda, CA 92354-2741.
- What is Rui-Tao Zhang's phone number?
- The practice phone number listed in the NPPES registry for Rui-Tao Zhang is (909) 558-4884.
- Does Rui-Tao Zhang accept Medicare?
- Rui-Tao Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rui-Tao Zhang's NPI active?
- Yes — Rui-Tao Zhang's NPI (1669893384) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.