Brian Leo Loc, D.O.
Cardiovascular Disease Physician · Dubuque, IA
Brian Leo Loc, D.O. is a cardiovascular disease physician with a practice address in Dubuque, Iowa, and NPI 1033599691, issued on Jun 8, 2015. Check the license (Iowa DO-06021, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Brian Leo Loc
- Credential
- D.O.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- DO-06021 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Langworthy St, Dubuque, IA 52001
- Phone
- (563) 584-3425
- Enumerated
- Jun 8, 2015
- Record last updated
- Jun 27, 2022
- Fax
- (563) 584-3497
- Medicare enrollment
- Enrolled (PECOS I20220727000210); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 169 in Iowa → Look up another NPI →
Also registered at 1000 Langworthy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Louis Alt, M.D.Otolaryngology Physician1902855778
- Courtney Ambrosy, PA-CPhysician Assistant1457121345
- Sarah ArnoldMedical Physician Assistant1558016113
- Paula Aston, MDNeurology Physician1144286675
- Kala Ave-Lallemant, FNPFamily Nurse Practitioner1235551656
- Martin Bagby, DOFamily Medicine Physician1942269402
Verify Brian Leo Loc in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license DO-06021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average cardiovascular disease physician in 2024
5,894 Medicare Part D claims for 593 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Metoprolol Succinate889 claims
- Atorvastatin Calcium606 claims
- Losartan Potassium538 claims
- Eliquis406 claims
- Furosemide362 claims
- Spironolactone322 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $276.17
12 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Medical Associates Clinic P CDubuque, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Leo Loc among 169 cardiovascular disease physician records in Iowa
Brian Leo Loc, D.O. is one of 169 cardiovascular disease physician records with a practice address in Iowa. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 78% of them.
- NPI issued2015 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2015 · median 2000 among the 119 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Iowa
There are 169 cardiovascular disease physician records in Iowa.
All 169 in Iowa → Every provider in Dubuque → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Rami Eltibi, M.D.Dubuque, IA 520011932214194
- Thomas Johnson, M.D.Dubuque, IA 520011801848486
- Tauseef Khan, M.D.Dubuque, IA 520011972585610
- Charles Longo, M.D.Dubuque, IA 520011700855186
- Timothy Martin, M.D.Dubuque, IA 520011760441927
- Ramanujam Ramabadran, M.D.Dubuque, IA 520011417151143
- John Richardson, M.D.Dubuque, IA 520011235183872
- Nidal Harb, M.D.Coralville, IA 522411871572677
Common questions
What is Brian Leo Loc, D.O.'s NPI number?
Brian Leo Loc, D.O.'s National Provider Identifier (NPI) is 1033599691, issued on Jun 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Brian Leo Loc, D.O. located?
The NPPES record lists a practice address at 1000 Langworthy St, Dubuque, IA, 52001. Phone: (563) 584-3425. Providers update this record themselves, so call before visiting.
How can I verify Brian Leo Loc, D.O.'s license?
NPPES lists Iowa license number DO-06021, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian Leo Loc, D.O. prescribe under Medicare Part D?
In 2024, Brian Leo Loc, D.O. had 5,894 Medicare Part D claims for 593 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.