Margaret Duvic, D.O.
NPI 1740442151 · Pediatrics Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Duvic, D.O. is a Pediatrics Physician provider in San Antonio, TX (NPI 1740442151).
Provider details
- NPI number
- 1740442151
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- P0900 (TX)
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
18 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.
$232 across 12 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
- 2008-06-26
- Last updated
- 2011-11-15
Frequently asked questions
- What is Margaret Duvic's NPI number?
- Margaret Duvic's National Provider Identifier (NPI) is 1740442151, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Duvic's specialty?
- Margaret Duvic is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Duvic located?
- Margaret Duvic's practice location on file with NPPES is 315 N San Saba, San Antonio, TX 78207-3154.
- What is Margaret Duvic's phone number?
- The practice phone number listed in the NPPES registry for Margaret Duvic is (210) 223-3543.
- Does Margaret Duvic accept Medicare?
- Margaret Duvic is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Duvic's NPI active?
- Yes — Margaret Duvic's NPI (1740442151) is active in the NPPES registry as of the last update on 2011-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.