Reinhold Llerena, MD
Family Medicine Physician · Barrington, IL
Reinhold Llerena, MD is a family medicine physician with a practice address in Barrington, Illinois, and NPI 1053349720, issued on Jun 29, 2006. Check the license (Illinois 036-097072, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Reinhold Llerena
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036-097072 IL
Self-reported in NPPES; status is on the state search - Practice location
- 530 N Hough St Ste 110, Barrington, IL 60010
- Phone
- (847) 381-0174
- Enumerated
- Jun 29, 2006
- Record last updated
- Apr 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110331000074); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1995
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 530 N Hough St Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brenda StreicherFamily Nurse Practitioner1699209528
Verify Reinhold Llerena in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-097072Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 72% of the cost of the top drugs
1,147 Medicare Part D claims for 197 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Rosuvastatin Calcium83 claims
- Atorvastatin Calcium72 claims
- Levothyroxine Sodium62 claims
- Amlodipine Besylate52 claims
- Losartan Potassium44 claims
- Irbesartan39 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.
Bills Medicare through one group practice
- Bonaventure Medical Foundation LLCHoffman Est, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reinhold Llerena among 6,215 family medicine physician records in Illinois
Reinhold Llerena, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2006 among the 3,714 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 family medicine physician records list a practice address in Barrington
They are 12 of the 756 NPPES records with a practice address in Barrington, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Barrington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nader Aziz, M.D.Lake Barrington, IL 600101396829727
- Orazio Bartolomeo, MDBarrington, IL 600101558368803
- Brenda Brak, MDBarrington, IL 600101215925193
- Jeanene Caccopola, D.O.Barrington, IL 600101093704439
- Lisa Derken, MDBarrington, IL 600101336137207
- Ahmed Farrag, MDBarrington, IL 600101255547220
- Celeste Galizia, DOSouth Barrington, IL 600101508850819
- Joseph Grasso, D.O.South Barrington, IL 600101548383805
Common questions
What is Reinhold Llerena, MD's NPI number?
Reinhold Llerena, MD's National Provider Identifier (NPI) is 1053349720, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Reinhold Llerena, MD located?
The NPPES record lists a practice address at 530 N Hough St Ste 110, Barrington, IL, 60010. Phone: (847) 381-0174. Providers update this record themselves, so call before visiting.
How can I verify Reinhold Llerena, MD's license?
NPPES lists Illinois license number 036-097072, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Reinhold Llerena, MD prescribe under Medicare Part D?
In 2024, Reinhold Llerena, MD had 1,147 Medicare Part D claims for 197 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.