Doctor profile · Federal record
Dr. Martin Greenwald, M.D.
Psychiatry Physician (CMS: Psychiatry) · Sleep Medicine (Psychiatry & Neurology) Physician · Winfield, IL
- NPI 1093164238
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 10 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
25 N Winfield RD Ste 410
Winfield, IL 601901379
(630) 933-4200
fax (630) 933-4210
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- November 13, 2025
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Illinois #036152584
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093164238. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
128
Distinct HCPCS
4
Medicare allowed
$13,326
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 64 | 18 | $82 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 35 | 15 | $113 | |
99239 |
Hospital discharge day management, more than 30 minutes | 15 | 14 | $119 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 14 | 12 | $168 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 72. This provider delivers 1.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Martin Greenwald's medical specialty?
Dr. Martin Greenwald practices Psychiatry Physician in Winfield, IL.
Where does Dr. Martin Greenwald practice?
Dr. Martin Greenwald practices at 25 N Winfield RD Ste 410, Winfield, IL 601901379. Office phone: 6309334200.
What is Dr. Martin Greenwald's NPI?
Dr. Martin Greenwald's National Provider Identifier (NPI) is 1093164238, issued by NPPES.
Does Dr. Martin Greenwald accept Medicare assignment?
Yes. Dr. Martin Greenwald accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martin Greenwald 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); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.