Alina O'Brien, DDS
NPI 1104359793 · Pediatric Dentistry · Philadelphia, PA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alina O'Brien, DDS is a Pediatric Dentistry provider in Philadelphia, PA (NPI 1104359793).
Provider details
- NPI number
- 1104359793
- Entity type
- Individual
- Primary specialty
- Pediatric DentistryDental Providers
- Credential
- DDS
- Sex
- Female
- Sole proprietor
- No
- License
- 060509 (NY)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2017-04-10
- Last updated
- 2024-08-13
- Certified
- 2024-08-13
Frequently asked questions
- What is Alina O'Brien's NPI number?
- Alina O'Brien's National Provider Identifier (NPI) is 1104359793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alina O'Brien's specialty?
- Alina O'Brien is listed in the NPPES registry with a primary specialty of Pediatric Dentistry (Dental Providers).
- Where is Alina O'Brien located?
- Alina O'Brien's practice location on file with NPPES is 240 S 40th St, Philadelphia, PA 19104-6030.
- What is Alina O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Alina O'Brien is (215) 898-8965.
- Does Alina O'Brien accept Medicare?
- Alina O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alina O'Brien's NPI active?
- Yes — Alina O'Brien's NPI (1104359793) is active in the NPPES registry as of the last update on 2024-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.