Michael Lee, MD
NPI 1942293451 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Lee, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1942293451).
Provider details
- NPI number
- 1942293451
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036100133 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
801 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 134 | $94 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 131 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $132 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 108 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 107 | $133 |
| Hemoglobin A1c Level83036 | 38 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 216 | 61 |
| Atorvastatin Calcium | 195 | 64 |
| Amlodipine Besylate | 168 | 53 |
| Metoprolol Succinate | 152 | 48 |
| Losartan Potassium | 117 | 37 |
| Tamsulosin Hcl | 88 | 28 |
| Olmesartan Medoxomil |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,558 across 57 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-30
- Last updated
- 2013-01-15
Frequently asked questions
- What is Michael Lee's NPI number?
- Michael Lee's National Provider Identifier (NPI) is 1942293451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Lee's specialty?
- Michael Lee is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Lee located?
- Michael Lee's practice location on file with NPPES is 676 N Saint Clair St, Chicago, IL 60611-2922.
- What is Michael Lee's phone number?
- The practice phone number listed in the NPPES registry for Michael Lee is (312) 926-6000.
- Does Michael Lee accept Medicare?
- Michael Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Lee's NPI active?
- Yes — Michael Lee's NPI (1942293451) is active in the NPPES registry as of the last update on 2013-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.