Ronald Loo, MD
NPI 1437207370 · Urology Physician · Bellflower, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Loo, MD is a Urology Physician provider in Bellflower, CA (NPI 1437207370).
Provider details
- NPI number
- 1437207370
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G59228 (CA)
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
19 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Finasteride | 611 | 182 |
| Tamsulosin Hcl | 360 | 120 |
| Potassium Citratebrand: Potassium Citrate Er | 104 | 43 |
| Terazosin Hcl | 71 | 21 |
| Ciprofloxacin Hcl | 33 | 18 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 33 | 16 |
| Mirabegronbrand: Myrbetriq | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$180 across 6 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
- 2007-01-08
- Last updated
- 2021-11-29
Frequently asked questions
- What is Ronald Loo's NPI number?
- Ronald Loo's National Provider Identifier (NPI) is 1437207370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Loo's specialty?
- Ronald Loo is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Loo located?
- Ronald Loo's practice location on file with NPPES is 9400 Rosecrans Ave, Bellflower, CA 90706-2246.
- What is Ronald Loo's phone number?
- The practice phone number listed in the NPPES registry for Ronald Loo is (562) 461-3000.
- Does Ronald Loo accept Medicare?
- Ronald Loo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Loo's NPI active?
- Yes — Ronald Loo's NPI (1437207370) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.