Louis Lin, M.D.
NPI 1134373533 · Anesthesiology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Lin, M.D. is a Anesthesiology Physician provider in Chicago, IL (NPI 1134373533).
Provider details
- NPI number
- 1134373533
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 125048962 (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
17 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
202 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 44 | $69 |
| Anesthesia for X-Ray on Artery of Brain, Heart, Or Chest01926 | 33 | $155 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 30 | $41 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 26 | $65 |
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 22 | $222 |
| Anesthesia for Extensive Surgery on Spine00670 | 21 | $299 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,950 across 11 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
- 2008-11-11
- Last updated
- 2008-11-11
Frequently asked questions
- What is Louis Lin's NPI number?
- Louis Lin's National Provider Identifier (NPI) is 1134373533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Lin's specialty?
- Louis Lin is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Lin located?
- Louis Lin's practice location on file with NPPES is 1155 S State St Unit C605, Chicago, IL 60605-2692.
- What is Louis Lin's phone number?
- The practice phone number listed in the NPPES registry for Louis Lin is (312) 695-7104.
- Does Louis Lin accept Medicare?
- Louis Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Lin's NPI active?
- Yes — Louis Lin's NPI (1134373533) is active in the NPPES registry as of the last update on 2008-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.