Acn Medical Group Inc
NPI 1154747020 · Internal Medicine Physician · Millbrae, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Acn Medical Group Inc is a Internal Medicine Physician organization in Millbrae, CA (NPI 1154747020).
Provider details
- NPI number
- 1154747020
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Andrew Ng, Owner(650) 732-9721
- License
- A107327 (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
12 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
- 2014-03-14
- Last updated
- 2014-07-25
Frequently asked questions
- What is Acn Medical Group Inc's NPI number?
- Acn Medical Group Inc's National Provider Identifier (NPI) is 1154747020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Acn Medical Group Inc?
- Acn Medical Group Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Acn Medical Group Inc located?
- Acn Medical Group Inc's practice location on file with NPPES is 423 Broadway, Millbrae, CA 94030-1905.
- What is Acn Medical Group Inc's phone number?
- The practice phone number listed in the NPPES registry for Acn Medical Group Inc is (650) 732-9721.
- Does Acn Medical Group Inc accept Medicare?
- Acn Medical Group 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 Acn Medical Group Inc?
- The authorized official listed on Acn Medical Group Inc's NPPES record is Andrew Ng, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Acn Medical Group Inc's NPI active?
- Yes — Acn Medical Group Inc's NPI (1154747020) is active in the NPPES registry as of the last update on 2014-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.