IndividualActive
Donald Lei, MD
NPI 1497331201 · Dermatology Physician · Chicago, IL
Provider details
- NPI number
- 1497331201
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-174245 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
1625 N Harlem Ave
Chicago, IL 60707-4303
Phone: (312) 947-7546
Street-level locationGet directions
Mailing address
1625 N Harlem Ave
Chicago, IL 60707-4303
Additional practice locations (1)
- 1000 10th AveNew York, NY 10019-1147Phone: (212) 523-4000
Registry dates
- Enumerated
- 2021-03-22
- Last updated
- 2025-07-08
- Certified
- 2025-06-24
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.