William Lin, M.D.
NPI 1396776209 · Urology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Lin, M.D. is a Urology Physician provider in Chicago, IL (NPI 1396776209).
Provider details
- NPI number
- 1396776209
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-102303 (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
19 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
7,400 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,408 | $133 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 1,610 | $17 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,014 | $9 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 706 | $12 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 389 | $3 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 611 | 213 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 126 | 43 |
| Cephalexin | 117 | 72 |
| Finasteride | 101 | 34 |
| Potassium Citratebrand: Potassium Citrate Er | 62 | 24 |
| Mirabegronbrand: Myrbetriq | 36 | 12 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$626 across 34 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
- 2006-07-06
- Last updated
- 2023-03-31
- Certified
- 2023-03-31
Frequently asked questions
- What is William Lin's NPI number?
- William Lin's National Provider Identifier (NPI) is 1396776209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lin's specialty?
- William Lin is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is William Lin located?
- William Lin's practice location on file with NPPES is 676 N Saint Clair St Ste 540, Chicago, IL 60611-2927.
- What is William Lin's phone number?
- The practice phone number listed in the NPPES registry for William Lin is (773) 878-7555.
- Does William Lin accept Medicare?
- William Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Lin's NPI active?
- Yes — William Lin's NPI (1396776209) is active in the NPPES registry as of the last update on 2023-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.