Isabelle Nguyen, MD
NPI 1154920833 · Internal Medicine Physician · San Francisco, CA
Isabelle Nguyen, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1154920833).
Provider details
- NPI number
- 1154920833
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A188101 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$176 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-10-22
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Isabelle Nguyen's NPI number?
- Isabelle Nguyen's National Provider Identifier (NPI) is 1154920833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabelle Nguyen's specialty?
- Isabelle Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Isabelle Nguyen located?
- Isabelle Nguyen's practice location on file with NPPES is 900 Hyde St, San Francisco, CA 94109-4806.
- What is Isabelle Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Isabelle Nguyen is (415) 353-6368.
- Is Isabelle Nguyen's NPI active?
- Yes — Isabelle Nguyen's NPI (1154920833) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.