Patricia Loo, MD
NPI 1427215250 · Internal Medicine Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patricia Loo, MD is a Internal Medicine Physician provider in Torrance, CA (NPI 1427215250).
Provider details
- NPI number
- 1427215250
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A111555 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,679 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 836 | $79 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 195 | $114 |
| Removal of Muscle And/Or Tissue, 20.0 Sq Cm Or Less11043 | 178 | $252 |
| Removal of Muscle And/Or Tissue, Each Additional 20.0 Sq Cm Or Less11046 | 157 | $77 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 118 | $134 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 75 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46 across 1 record (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
- 2008-05-20
- Last updated
- 2013-05-24
Frequently asked questions
- What is Patricia Loo's NPI number?
- Patricia Loo's National Provider Identifier (NPI) is 1427215250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patricia Loo's specialty?
- Patricia Loo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patricia Loo located?
- Patricia Loo's practice location on file with NPPES is 1000 West Carson Street, Torrance, CA 90509.
- What is Patricia Loo's phone number?
- The practice phone number listed in the NPPES registry for Patricia Loo is (310) 222-2409.
- Does Patricia Loo accept Medicare?
- Patricia Loo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patricia Loo's NPI active?
- Yes — Patricia Loo's NPI (1427215250) is active in the NPPES registry as of the last update on 2013-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.