Juan Villamizar-Zuniga, M.D.
NPI 1326133711 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Juan Villamizar-Zuniga, M.D. is a Family Medicine Physician provider in Chicago, IL (NPI 1326133711).
Provider details
- NPI number
- 1326133711
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
17 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $115 |
Typical Medicare-allowed amounts for these services range $115–$115 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 209 | 66 |
| Empagliflozinbrand: Jardiance | 147 | 32 |
| Lisinopril | 89 | 31 |
| Metformin Hcl | 83 | 27 |
| Montelukast Sodium | 54 | 24 |
| Omeprazole | 48 | 20 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Juan Villamizar-Zuniga's NPI number?
- Juan Villamizar-Zuniga's National Provider Identifier (NPI) is 1326133711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Juan Villamizar-Zuniga's specialty?
- Juan Villamizar-Zuniga is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Juan Villamizar-Zuniga located?
- Juan Villamizar-Zuniga's practice location on file with NPPES is 1501 S. California Ave., Chicago, IL 60608.
- What is Juan Villamizar-Zuniga's phone number?
- The practice phone number listed in the NPPES registry for Juan Villamizar-Zuniga is (773) 257-6770.
- Does Juan Villamizar-Zuniga accept Medicare?
- Juan Villamizar-Zuniga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Juan Villamizar-Zuniga's NPI active?
- Yes — Juan Villamizar-Zuniga's NPI (1326133711) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.