Tammy Chuang, MD
NPI 1801399670 · Internal Medicine Physician · North Hills, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Chuang, MD is a Internal Medicine Physician provider in North Hills, CA (NPI 1801399670).
Provider details
- NPI number
- 1801399670
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A177215 (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
8 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
- 2018-03-17
- Last updated
- 2024-06-17
- Certified
- 2021-09-13
Frequently asked questions
- What is Tammy Chuang's NPI number?
- Tammy Chuang's National Provider Identifier (NPI) is 1801399670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Chuang's specialty?
- Tammy Chuang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tammy Chuang located?
- Tammy Chuang's practice location on file with NPPES is 16111 Plummer St, North Hills, CA 91343-2036.
- What is Tammy Chuang's phone number?
- The practice phone number listed in the NPPES registry for Tammy Chuang is (818) 891-7711.
- Does Tammy Chuang accept Medicare?
- Tammy Chuang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Chuang's NPI active?
- Yes — Tammy Chuang's NPI (1801399670) is active in the NPPES registry as of the last update on 2024-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.