Tzong-Yueh Hwang, M.D.
NPI 1851325211 · Geriatric Medicine (Internal Medicine) Physician · Artesia, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tzong-Yueh Hwang, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Artesia, CA (NPI 1851325211).
Provider details
- NPI number
- 1851325211
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A48093 (CA)
Specialties & taxonomies
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
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
- 2006-07-10
- Last updated
- 2025-09-11
Frequently asked questions
- What is Tzong-Yueh Hwang's NPI number?
- Tzong-Yueh Hwang's National Provider Identifier (NPI) is 1851325211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tzong-Yueh Hwang's specialty?
- Tzong-Yueh Hwang is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Tzong-Yueh Hwang located?
- Tzong-Yueh Hwang's practice location on file with NPPES is 12146 South St, Artesia, CA 90701-6844.
- What is Tzong-Yueh Hwang's phone number?
- The practice phone number listed in the NPPES registry for Tzong-Yueh Hwang is (562) 809-0288.
- Does Tzong-Yueh Hwang accept Medicare?
- Tzong-Yueh Hwang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tzong-Yueh Hwang's NPI active?
- Yes — Tzong-Yueh Hwang's NPI (1851325211) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.