Louise O'Shaughnessy, M.D.
NPI 1285685925 · Diagnostic Radiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louise O'Shaughnessy, M.D. is a Diagnostic Radiology Physician provider in San Diego, CA (NPI 1285685925).
Provider details
- NPI number
- 1285685925
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G48800 (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
20 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
- 2006-05-15
- Last updated
- 2021-04-12
- Certified
- 2021-04-12
Frequently asked questions
- What is Louise O'Shaughnessy's NPI number?
- Louise O'Shaughnessy's National Provider Identifier (NPI) is 1285685925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louise O'Shaughnessy's specialty?
- Louise O'Shaughnessy is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Louise O'Shaughnessy located?
- Louise O'Shaughnessy's practice location on file with NPPES is 150 W Washington St, San Diego, CA 92103-2005.
- What is Louise O'Shaughnessy's phone number?
- The practice phone number listed in the NPPES registry for Louise O'Shaughnessy is (619) 295-9729.
- Does Louise O'Shaughnessy accept Medicare?
- Louise O'Shaughnessy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louise O'Shaughnessy's NPI active?
- Yes — Louise O'Shaughnessy's NPI (1285685925) is active in the NPPES registry as of the last update on 2021-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.