Doctor profile · Federal record
Dr. James Walter, MD
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Hospitalist Physician · Chicago, IL
- NPI 1588984454
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 16 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
676 N Saint Clair St Ste 2100
Chicago, IL 606112993
(312) 695-1800
fax (312) 695-4741 - Additional location
-
240 East Huron, McGaw M-300
Chicago, IL 60611
(312) 908-7737 - Additional location
-
4150 Clement St, San Francisco VA Medical Center
San Francisco, CA 941211545
(734) 936-4385
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- August 15, 2025
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State licenses (2)
- Illinois #036134956 · California #A125681
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588984454. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
346
Distinct HCPCS
3
Medicare allowed
$70,440
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 270 | 75 | $228 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 62 | 43 | $124 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 14 | 13 | $85 |
In context: peer comparison
Among 66 peers in this city , average services per provider: 90. This provider delivers 3.8× the peer median.Frequently asked questions
What is Dr. James Walter's medical specialty?
Dr. James Walter practices Pulmonary Disease Physician in Chicago, IL.
Where does Dr. James Walter practice?
Dr. James Walter practices at 676 N Saint Clair St Ste 2100, Chicago, IL 606112993. Office phone: 3126951800.
What is Dr. James Walter's NPI?
Dr. James Walter's National Provider Identifier (NPI) is 1588984454, issued by NPPES.
Does Dr. James Walter accept Medicare assignment?
Yes. Dr. James Walter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Walter commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.