Nhu-Cynthia Tieu, D.O.
NPI 1225195415 · Internal Medicine Physician · Harbor City, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nhu-Cynthia Tieu, D.O. is a Internal Medicine Physician provider in Harbor City, CA (NPI 1225195415).
Provider details
- NPI number
- 1225195415
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A9373 (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
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
- 2007-01-03
- Last updated
- 2021-11-29
Frequently asked questions
- What is Nhu-Cynthia Tieu's NPI number?
- Nhu-Cynthia Tieu's National Provider Identifier (NPI) is 1225195415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nhu-Cynthia Tieu's specialty?
- Nhu-Cynthia Tieu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nhu-Cynthia Tieu located?
- Nhu-Cynthia Tieu's practice location on file with NPPES is 25825 Vermont Ave, Harbor City, CA 90710-3518.
- What is Nhu-Cynthia Tieu's phone number?
- The practice phone number listed in the NPPES registry for Nhu-Cynthia Tieu is (800) 780-1230.
- Does Nhu-Cynthia Tieu accept Medicare?
- Nhu-Cynthia Tieu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nhu-Cynthia Tieu's NPI active?
- Yes — Nhu-Cynthia Tieu's NPI (1225195415) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.