Maria Siu Apc
NPI 1760977060 · Obstetrics & Gynecology Physician · Pomona, CA
Maria Siu Apc is a Obstetrics & Gynecology Physician organization in Pomona, CA (NPI 1760977060).
Provider details
- NPI number
- 1760977060
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Maria Siu, Owner/President(909) 622-5654
- License
- 20A13839 (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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 756 N Euclid Ave Ste aOntario, CA 91762-2767Phone: (909) 395-0030Fax: (909) 933-9211
Registry dates
- Enumerated
- 2018-06-28
- Last updated
- 2018-08-16
Frequently asked questions
- What is Maria Siu Apc's NPI number?
- Maria Siu Apc's National Provider Identifier (NPI) is 1760977060, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Maria Siu Apc?
- Maria Siu Apc is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Siu Apc located?
- Maria Siu Apc's practice location on file with NPPES is 160 E Artesia St Ste 330, Pomona, CA 91767.
- What is Maria Siu Apc's phone number?
- The practice phone number listed in the NPPES registry for Maria Siu Apc is (909) 622-5654.
- Who is the authorized official for Maria Siu Apc?
- The authorized official listed on Maria Siu Apc's NPPES record is Maria Siu, Owner/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Maria Siu Apc's NPI active?
- Yes — Maria Siu Apc's NPI (1760977060) is active in the NPPES registry as of the last update on 2018-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.