LOUISE S. O'SHAUGHNESSY M.D.
NPI 1285685925
Radiology - Diagnostic Radiology in San Diego, CA

Q: What is Louise O'shaughnessy's NPI number?

The NPI number for Louise O'shaughnessy is 1285685925. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Q: What is Louise O'shaughnessy's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Active since May 15, 2006PECOS Enrolled

150 W WASHINGTON ST, SAN DIEGO, CA 92103(619) 295-9729 Get Directions Write a Review

NPPES record last updated: April 12, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Louise S. O'shaughnessy M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LOUISE S. O'SHAUGHNESSY M.D. (NPI 1285685925) is an individual diagnostic radiology provider in San Diego, California, licensed in California (G48800) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285685925

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameLOUISE S. O'SHAUGHNESSYCredential: M.D.

Location Address150 W WASHINGTON STSan Diego, CA 92103-2005

Mailing Address150 W Washington StSan Diego, CA 92103-2005

Phone(619) 295-9729

Sole ProprietorNo

Enumeration DateMay 15, 2006

Last NPPES UpdateApril 12, 2021

NPPES CertifiedApril 12, 2021

✔ NPI 1285685925 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in CA · G48800

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

150 W WASHINGTON ST, San Diego, CA 92103

Open in Google Maps ↗

Other Identifiers 1

Medicaid00G488000CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Louise S. O'shaughnessy M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.87 typical visit price

range $62.10 – $184.71

Typical copayment $23.71 (range $15.52 – $46.17)

Most-billed visit code 99203

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Radiology: Reminder System for Screening Mammograms

Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram

100%476 patients

Radiology: Stenosis Measurement in Carotid Imaging Reports

Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…

100%34 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SUSAN J LITTLE M.D.

Internal Medicine

150 W WASHINGTON ST, SUITE 100
SAN DIEGO, CA 92103

San Diego County (619) 543-8080

DR. LORI LOW BAKER M.D.

Radiology (Diagnostic Radiology)