John Lee, D.O.
NPI 1891794475 · Anesthesiology Physician · Barrington, IL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Lee, D.O. is a Anesthesiology Physician provider in Barrington, IL (NPI 1891794475).
Provider details
- NPI number
- 1891794475
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036113245 (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
209 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 38 | $151 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 28 | $45 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 27 | $141 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 25 | $175 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 22 | $118 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 22 | $14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-18
- Last updated
- 2021-12-22
- Certified
- 2021-12-21
Frequently asked questions
- What is John Lee's NPI number?
- John Lee's National Provider Identifier (NPI) is 1891794475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Lee's specialty?
- John Lee is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Lee located?
- John Lee's practice location on file with NPPES is 450 W Highway 22, Barrington, IL 60010-7509.
- What is John Lee's phone number?
- The practice phone number listed in the NPPES registry for John Lee is (847) 381-9600.
- Does John Lee accept Medicare?
- John Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Lee's NPI active?
- Yes — John Lee's NPI (1891794475) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.