Doctor profile · Federal record
Dr. John Morrissey, MD
Critical Care Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Hospitalist Physician · Washington, DC
- NPI 1740293984
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1150 Varnum St Ne
Washington, DC 20017
(202) 269-7000
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 29, 2013
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State license (1)
- District of Columbia #MD20772
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740293984. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
651
Distinct HCPCS
3
Medicare allowed
$135,417
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 588 | 245 | $219 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 38 | 27 | $129 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 25 | 19 | $81 |
In context: peer comparison
Among 18 peers in this city , average services per provider: 70. This provider delivers 9.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. John Morrissey's medical specialty?
Dr. John Morrissey practices Critical Care Medicine (Internal Medicine) Physician in Washington, DC.
Where does Dr. John Morrissey practice?
Dr. John Morrissey practices at 1150 Varnum St Ne, Washington, DC 20017. Office phone: 2022697000.
What is Dr. John Morrissey's NPI?
Dr. John Morrissey's National Provider Identifier (NPI) is 1740293984, issued by NPPES.
Does Dr. John Morrissey accept Medicare assignment?
Yes. Dr. John Morrissey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Morrissey 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.