Lily Mei, M.D.
NPI 1568690147 · Anatomic Pathology & Clinical Pathology Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lily Mei, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Oak Lawn, IL (NPI 1568690147).
Provider details
- NPI number
- 1568690147
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036137234 (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
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,854 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 788 | $36 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 264 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 188 | $33 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 137 | $12 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 124 | $11 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 114 | $79 |
Practice location
Mailing address
Additional practice locations (1)
- 5841 S Maryland Ave # Mc3083Chicago, IL 60637-1447Phone: (773) 834-8376
Registry dates
- Enumerated
- 2009-06-23
- Last updated
- 2021-12-17
- Certified
- 2021-12-17
Frequently asked questions
- What is Lily Mei's NPI number?
- Lily Mei's National Provider Identifier (NPI) is 1568690147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lily Mei's specialty?
- Lily Mei is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Lily Mei located?
- Lily Mei's practice location on file with NPPES is 4440 W 95th St, Oak Lawn, IL 60453.
- What is Lily Mei's phone number?
- The practice phone number listed in the NPPES registry for Lily Mei is (708) 684-5594.
- Does Lily Mei accept Medicare?
- Lily Mei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lily Mei's NPI active?
- Yes — Lily Mei's NPI (1568690147) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.