Jason Hwang, M.D.
NPI 1669490926 · Internal Medicine Physician · Sunnyvale, CA
Jason Hwang, M.D. is a Internal Medicine Physician provider in Sunnyvale, CA (NPI 1669490926).
Provider details
- NPI number
- 1669490926
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 220304 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2006-07-17
- Last updated
- 2016-05-22
Frequently asked questions
- What is Jason Hwang's NPI number?
- Jason Hwang's National Provider Identifier (NPI) is 1669490926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Hwang's specialty?
- Jason Hwang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Hwang located?
- Jason Hwang's practice location on file with NPPES is 412 Flora Vista Ave, Sunnyvale, CA 94086-6234.
- What is Jason Hwang's phone number?
- The practice phone number listed in the NPPES registry for Jason Hwang is (408) 940-6001.
- Is Jason Hwang's NPI active?
- Yes — Jason Hwang's NPI (1669490926) is active in the NPPES registry as of the last update on 2016-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.