Sigma Physician Associates PLLC
NPI 1518327568 · Internal Medicine Physician · San Antonio, TX
Sigma Physician Associates PLLC is a Internal Medicine Physician organization in San Antonio, TX (NPI 1518327568).
Provider details
- NPI number
- 1518327568
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Maloy, Sole Member(210) 530-1235
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
10 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
- 2016-03-03
- Last updated
- 2023-02-06
- Certified
- 2023-02-06
Frequently asked questions
- What is Sigma Physician Associates PLLC's NPI number?
- Sigma Physician Associates PLLC's National Provider Identifier (NPI) is 1518327568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sigma Physician Associates PLLC?
- Sigma Physician Associates PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sigma Physician Associates PLLC located?
- Sigma Physician Associates PLLC's practice location on file with NPPES is 15303 Huebner Rd Ste 6, San Antonio, TX 78248-0982.
- What is Sigma Physician Associates PLLC's phone number?
- The practice phone number listed in the NPPES registry for Sigma Physician Associates PLLC is (210) 530-1235.
- Who is the authorized official for Sigma Physician Associates PLLC?
- The authorized official listed on Sigma Physician Associates PLLC's NPPES record is Michael Maloy, Sole Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sigma Physician Associates PLLC's NPI active?
- Yes — Sigma Physician Associates PLLC's NPI (1518327568) is active in the NPPES registry as of the last update on 2023-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.