Doctor profile · Federal record
Dr. Alexander Leidner, M.D.
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Chicago, IL
- NPI 1174918957
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 11 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
675 N Saint Clair St Ste 18-250
Chicago, IL 606115980
(312) 695-0596
fax (312) 926-4878 - Additional location
-
240 E Huron St, St #1-200
Chicago, IL 606112909
(210) 426-7736
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- July 12, 2021
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- Illinois #036146665 · Idaho #125 067013
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174918957. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
420
Distinct HCPCS
7
Medicare allowed
$47,321
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 208 | 91 | $77 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 82 | 39 | $116 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 36 | 29 | $122 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 28 | $127 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 26 | 17 | $339 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 26 | 26 | $159 | |
90935 |
Hemodialysis procedure with physician evaluation | 14 | 12 | $69 |
In context: peer comparison
Among 62 peers in this city , average services per provider: 104. This provider delivers 4.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
0
Total drug cost
$150
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 13 | 0 | $150 |
Hospital affiliations
Frequently asked questions
What is Dr. Alexander Leidner's medical specialty?
Dr. Alexander Leidner practices Nephrology Physician in Chicago, IL.
Where does Dr. Alexander Leidner practice?
Dr. Alexander Leidner practices at 675 N Saint Clair St Ste 18-250, Chicago, IL 606115980. Office phone: 3126950596.
What is Dr. Alexander Leidner's NPI?
Dr. Alexander Leidner's National Provider Identifier (NPI) is 1174918957, issued by NPPES.
Does Dr. Alexander Leidner accept Medicare assignment?
Yes. Dr. Alexander Leidner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Leidner commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.