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Dr. Ronald K. Loo, MD
NPI1437207370PAC ID9537352802
- Part D claims, 2024
- 1,482
- Publications
- 34
- Industry payments
- $1,844
- Affiliated sites
- 3
- Medical group
- 1
- Practice address
- 9400 Rosecrans Avenue, Bellflower, CA 90706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD
Acute Care Hospital outpatient department · Bellflower, California
Find Dr. Loo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ronald K. Loo is a urologist in Bellflower, California
Dr. Loo practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.
Dr. Loo's NPI, 1437207370, was assigned on January 8, 2007. Dr. Loo graduated from Keck School of Medicine of USC in 1985. Dr. Loo holds California license G59228.
NPI and contact details
- NPI
- 1437207370NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537352802
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ronald K. Loo practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California
Dr. Loo's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD, at 9400 Rosecrans Avenue, Bellflower, CA 90706.
- Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD9400 Rosecrans Avenue, Bellflower, CA 90706
Source: Dmand AI Affiliation Data
Dr. Ronald K. Loo is affiliated with 3 sites of care and 1 medical group
Dr. Loo's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Loo to 1 more breast imaging center and 1 group practice or clinic, each named with a free account. Dr. Loo's employer is on file too: a hospital.
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ronald K. Loo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald K. Loo is one of 1,395 urologists in California
Urology is Dr. Loo's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Loo is board certified in urology by the American Board of Urology. Dr. Loo is licensed in California.
Specialties and state licenses
- Urology, CaliforniaPrimary
Clinical focus
Dmand AI lists kidney stone disease among the conditions Dr. Loo treats.
Urologists near Dr. Loo
Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ronald K. Loo's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Loo's median patient age at 65, with 35% women.
Dr. Loo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women35%
- Men65%
Source: Dmand AI Patient Panel Data
Dr. Ronald K. Loo wrote 1,482 Medicare Part D claims in 2024
In 2024, Dr. Loo wrote 1,482 Medicare Part D claims for 301 patients. 97% of them were for generic drugs. CMS names the drug for 1,373 of them, across 14 drugs with 11 or more claims each, at $75,389 in total drug cost. In 2023, CMS named 1,432 claims across 14 drugs.
Part D claims, 20241,482
Drugs named by CMS14
Total drug cost$75,389
Part D patients301
Dr. Loo's Part D claims by kind of drug, 2024
- Generic1,442 claims97%
- Brand-name and other40 claims3%
Dr. Loo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Loo's Part D claims, 2024
- Opioids1%22 of 1,482 claims
- Antibiotics8%114 of 1,482 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,4322024: 1,3734%
Drugs named by CMS: 14 in 2024, 14 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ronald K. Loo takes part in Medicare
Dr. Loo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Ronald K. Loo has 34 publications on record
Dmand AI links 34 papers to Dr. Loo, published from 2006 to 2024. 2016 was the busiest year, with 4. The most frequent topics are California, Urinary Bladder Neoplasms and Prostatic Neoplasms. Dr. Loo has published most often in J Urol. Dr. Loo's most frequent co-authors are David S. Aaronson, MD, Casey Ki Ng, MD and Howard Jung, MD.
Papers34
Years published2006 to 2024
Dr. Loo's papers by year, 2015 to 2024
Topics Dr. Loo writes about most
- California
- Urinary Bladder Neoplasms
- Prostatic Neoplasms
- Smoking
- Disease Progression
- Hematuria
- Non-Muscle Invasive Bladder Neoplasms
- Prostate-Specific Antigen
Dr. Loo's most frequent co-authors
Recent publications by Dr. Loo
JAMA Netw Open
CannabisElectronic Nicotine Delivery SystemsHallucinogens
HematuriaSocieties, MedicalUrinary Bladder Neoplasms
See who Dr. Loo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Loo works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ronald K. Loo received $1,844 in industry payments from 2018 to 2025
CMS Open Payments shows 21 general payments to Dr. Loo from 9 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 88% of the total. Boston Scientific Corporation paid the most, $573.
General payments to Dr. Loo by program year, 2018 to 2025
General payments to Dr. Loo by kind, 2018 to 2025
$1.8Kin total
- Food and beverage$1,61488%
- Travel and lodging$23012%
Companies that paid Dr. Loo the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ronald K. Loo graduated from Keck School of Medicine of USC
Dr. Loo graduated from Keck School of Medicine of USC in 1985.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Sources for Dr. Ronald K. Loo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ronald K. Loo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ronald K. Loo's NPI number?
Dr. Ronald K. Loo's NPI number is 1437207370. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald K. Loo?
Dr. Ronald K. Loo is a urologist in Bellflower, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Ronald K. Loo practice?
Dr. Loo practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Dr. Loo's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Dr. Loo to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Ronald K. Loo's medical license number?
Dr. Loo holds California license G59228.
What medical group is Dr. Ronald K. Loo part of?
Dr. Loo is linked to Southern California Permanente Medical Group.
Does Dr. Ronald K. Loo accept Medicare?
Yes. CMS lists Dr. Loo as accepting Medicare assignment.
Is Dr. Ronald K. Loo board certified?
Yes. Dr. Loo is board certified in urology by the American Board of Urology.
Where did Dr. Ronald K. Loo go to medical school?
Dr. Loo graduated from Keck School of Medicine of USC in 1985.
What drugs does Dr. Ronald K. Loo prescribe most?
In 2024 Medicare Part D data, Dr. Loo's most prescribed drugs by claims were Finasteride, Tamsulosin HCl and Potassium Citrate ER.
Has Dr. Ronald K. Loo received payments from drug or device companies?
CMS Open Payments shows $1,844 in general payments to Dr. Loo from 9 companies from 2018 to 2025. The largest total came from Boston Scientific Corporation.
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How long has Dr. Ronald K. Loo been practicing?
Dr. Loo graduated from medical school in 1985, 41 years ago.
Does Dr. Ronald K. Loo do research?
Dmand AI links 34 publications to Dr. Loo, published from 2006 to 2024.
Who does Dr. Ronald K. Loo publish with?
Dr. Loo's most frequent co-authors are David S. Aaronson, MD (7 shared papers), Casey Ki Ng, MD (5 shared papers) and Howard Jung, MD (2 shared papers).
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