Doctor profile · Federal record
Dr. John Greenwald, M.D.
Hospitalist Physician · Student in an Organized Health Care Education/Training Program · Bethesda, MD
- NPI 1437560554
- MIPS 86.8 / 100 · 2023
- 12 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8901 Rockville Pike, Building 1, 19Th Floor, Room 19122
Bethesda, MD 20889
(301) 319-8278 - Mailing address
-
6201 Greenleigh Ave
Middle River, MD 212202004
Credentials & registration
- NPI registered
- May 2014 — 12 yrs on file
- Profile last updated
- August 30, 2021
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- District of Columbia #MD210001399
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437560554. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
412
Distinct HCPCS
7
Medicare allowed
$68,714
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 159 | 155 | $191 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 75 | 74 | $143 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 68 | 34 | $132 | |
99291 |
Critical care, first 30-74 minutes | 56 | 55 | $236 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 23 | 14 | $88 | |
99239 |
Hospital discharge day management, more than 30 minutes | 17 | 17 | $128 | |
99497 |
Advance care planning, first 30 minutes | 14 | 13 | $84 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 123. This provider delivers 3.3× the peer median.Frequently asked questions
What is Dr. John Greenwald's medical specialty?
Dr. John Greenwald practices Hospitalist Physician in Bethesda, MD.
Where does Dr. John Greenwald practice?
Dr. John Greenwald practices at 8901 Rockville Pike, Bethesda, MD 20889. Office phone: 3013198278.
What is Dr. John Greenwald's NPI?
Dr. John Greenwald's National Provider Identifier (NPI) is 1437560554, issued by NPPES.
What procedures does Dr. John Greenwald commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.