Leonard Stallings, MD
NPI 1407944309 · Internal Medicine Physician · Chicago, IL
Provider details
- NPI number
- 1407944309
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036071417 (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
19 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
705 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 | 288 | $121 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 155 | $3 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 120 | $9 |
| Admn Sarscov2 Vacc 1 Dose90480 | 61 | $44 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 44 | $121 |
| Administration of Influenza Virus VaccineG0008 | 37 | $34 |
Practice location
Mailing address
Additional practice locations (1)
- 5120 W Jackson BlvdChicago, IL 60644-4332Phone: (773) 265-4566Fax: (773) 265-4566
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2022-11-29
- Certified
- 2022-11-29
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.