Susan Nguyen MD Inc
NPI 1366959397 · Internal Medicine Physician · Greenbrae, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Nguyen MD Inc is a Internal Medicine Physician organization in Greenbrae, CA (NPI 1366959397).
Provider details
- NPI number
- 1366959397
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Susan Nguyen, Owner(415) 509-1573
- License
- A65791 (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
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
- 2017-12-28
- Last updated
- 2017-12-28
Frequently asked questions
- What is Susan Nguyen MD Inc's NPI number?
- Susan Nguyen MD Inc's National Provider Identifier (NPI) is 1366959397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Susan Nguyen MD Inc?
- Susan Nguyen MD Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Nguyen MD Inc located?
- Susan Nguyen MD Inc's practice location on file with NPPES is 250 Bon Air Rd, Greenbrae, CA 94904-1702.
- What is Susan Nguyen MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Susan Nguyen MD Inc is (415) 509-1573.
- Does Susan Nguyen MD Inc accept Medicare?
- Susan Nguyen MD Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Susan Nguyen MD Inc?
- The authorized official listed on Susan Nguyen MD Inc's NPPES record is Susan Nguyen, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Susan Nguyen MD Inc's NPI active?
- Yes — Susan Nguyen MD Inc's NPI (1366959397) is active in the NPPES registry as of the last update on 2017-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.