Juan Villamizar-Zuniga, M.D.
Family Medicine Physician · Chicago, IL
Juan Villamizar-Zuniga, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1326133711, issued on Oct 3, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Juan Villamizar-Zuniga
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- Practice location
- 1501 S. California Ave., Chicago, IL 60608
- Phone
- (773) 257-6770
- Enumerated
- Oct 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040513000301); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1501 S. California Ave.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Juan Villamizar-Zuniga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average family medicine physician in 2024
2,026 Medicare Part D claims for 102 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Atorvastatin Calcium209 claims
- Jardiance147 claims
- Lisinopril89 claims
- Metformin Hcl83 claims
- Montelukast Sodium54 claims
- Metoprolol Succinate48 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.
Juan Villamizar-Zuniga among 6,215 family medicine physician records in Illinois
Juan Villamizar-Zuniga, M.D. 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
- Graduated1991 · median 2006 among the 3,714 with a school on file
- Record last updated2007 · 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).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ihab Aziz, MDChicago, IL 606081508968652
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- Jackie Cohen, MDChicago, IL 606081225111842
- Andrew Defuniak, M.D.Chicago, IL 606081508951351
- Sagina Hanjrah, MDChicago, IL 606081134170756
- Maria James-Silva, MDChicago, IL 606081780764084
- Keith Knapp, M.D.Chicago, IL 606081104817329
- Elena Lopez, MDChicago, IL 606081831161132
Common questions
What is Juan Villamizar-Zuniga, M.D.'s NPI number?
Juan Villamizar-Zuniga, M.D.'s National Provider Identifier (NPI) is 1326133711, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Juan Villamizar-Zuniga, M.D. located?
The NPPES record lists a practice address at 1501 S. California Ave., Chicago, IL, 60608. Phone: (773) 257-6770. Providers update this record themselves, so call before visiting.
How can I verify Juan Villamizar-Zuniga, M.D.'s license?
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 Juan Villamizar-Zuniga, M.D. prescribe under Medicare Part D?
In 2024, Juan Villamizar-Zuniga, M.D. had 2,026 Medicare Part D claims for 102 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.