Michael Unger, MD
NPI 1518945484 · Internal Medicine Physician · Buffalo Grove, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Unger, MD is a Internal Medicine Physician provider in Buffalo Grove, IL (NPI 1518945484).
Provider details
- NPI number
- 1518945484
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036093043 (IL)
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
969 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 | 280 | $131 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 274 | $9 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 94 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 82 | $92 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 68 | $183 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 198 | 58 |
| Rosuvastatin Calcium | 163 | 52 |
| Ezetimibe | 88 | 27 |
| Amlodipine Besylate | 71 | 24 |
| Losartan Potassium | 71 | 19 |
| Metoprolol Succinate | 68 | 20 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-02
- Last updated
- 2024-04-10
- Certified
- 2024-04-10
Frequently asked questions
- What is Michael Unger's NPI number?
- Michael Unger's National Provider Identifier (NPI) is 1518945484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Unger's specialty?
- Michael Unger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Unger located?
- Michael Unger's practice location on file with NPPES is 650 W Lake Cook Rd, Buffalo Grove, IL 60089-2082.
- What is Michael Unger's phone number?
- The practice phone number listed in the NPPES registry for Michael Unger is (847) 459-1160.
- Does Michael Unger accept Medicare?
- Michael Unger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Unger's NPI active?
- Yes — Michael Unger's NPI (1518945484) is active in the NPPES registry as of the last update on 2024-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.