Doctor profile · Federal record
Dr. James Lash
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Chicago, IL
- NPI 1548365646
- Accepts Medicare
- MIPS 77.1 / 100 · 2023
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1740 W Taylor St
Chicago, IL 606127232
(866) 600-2273 - Mailing address
-
820 S Wood St, 416-W Csn, Mc 793
Chicago, IL 606124325
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- April 26, 2021
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- Illinois #036065527 · Illinois #036-065527
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548365646. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
194
Distinct HCPCS
4
Medicare allowed
$18,348
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 82 | 57 | $102 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 60 | 30 | $83 | |
90935 |
Hemodialysis procedure with physician evaluation | 35 | 23 | $75 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 | $138 |
In context: peer comparison
Among 62 peers in Chicago Nephrology Physician, average services per provider: 104. This provider delivers 1.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
31
Patients
0
Total drug cost
$149
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 17 | 0 | $123 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 14 | 0 | $26 |
Frequently asked questions
What is Dr. James Lash's medical specialty?
Dr. James Lash practices Nephrology Physician in Chicago, IL.
Where does Dr. James Lash practice?
Dr. James Lash practices at 1740 W Taylor St, Chicago, IL 606127232. Office phone: 8666002273.
What is Dr. James Lash's NPI?
Dr. James Lash's National Provider Identifier (NPI) is 1548365646, issued by NPPES.
Does Dr. James Lash accept Medicare assignment?
Yes. Dr. James Lash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Lash commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hemodialysis procedure with physician evaluation (HCPCS 90935). Source: CMS Medicare Physician & Other Practitioners file.