Dario Villamar, M.D.
NPI 1548791437 · Hematology & Oncology Physician · New Lenox, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dario Villamar, M.D. is a Hematology & Oncology Physician provider in New Lenox, IL (NPI 1548791437).
Provider details
- NPI number
- 1548791437
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036.152166 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,106 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 276 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 242 | $100 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 156 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 119 | $68 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 97 | $80 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prochlorperazine Maleate | 82 | 50 |
| Ondansetron Hcl | 72 | 52 |
| Anastrozole | 65 | 19 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 51 | 15 |
| Acyclovir | 51 | — |
| Allopurinol | 37 | — |
| Prednisone | 36 | 11 |
Practice location
Mailing address
Additional practice locations (2)
- 5841 S Maryland Ave # Mc2115Chicago, IL 60637-1443Phone: (773) 702-2731Fax: (773) 702-0963
- 505 East 70th StWeill Cornell Internal Medicine AssociatesNew York, NY 10021Phone: (212) 746-3587Fax: (212) 746-8051
Registry dates
- Enumerated
- 2017-03-23
- Last updated
- 2024-01-06
- Certified
- 2024-01-06
Frequently asked questions
- What is Dario Villamar's NPI number?
- Dario Villamar's National Provider Identifier (NPI) is 1548791437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dario Villamar's specialty?
- Dario Villamar is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Dario Villamar located?
- Dario Villamar's practice location on file with NPPES is 1850 Silver Cross Blvd, New Lenox, IL 60451-9508.
- What is Dario Villamar's phone number?
- The practice phone number listed in the NPPES registry for Dario Villamar is (815) 300-1400.
- Does Dario Villamar accept Medicare?
- Dario Villamar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dario Villamar's NPI active?
- Yes — Dario Villamar's NPI (1548791437) is active in the NPPES registry as of the last update on 2024-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.