Doctor profile · Federal record
Dr. Roger Greiger, M.D.
Psychiatry Physician (CMS: Psychiatry) · Everett, MA
- NPI 1427015627
- Accepts Medicare
- 33 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
173 Chelsea St
Everett, MA 021494632
(781) 388-6206 - Mailing address
-
30 Frederick St
Newton, MA 024602211
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Massachusetts #223394
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427015627. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
234
Distinct HCPCS
3
Medicare allowed
$18,460
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 165 | 32 | $84 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 56 | 20 | $53 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 13 | 11 | $126 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 155. This provider delivers 1.5× the peer median.Frequently asked questions
What is Dr. Roger Greiger's medical specialty?
Dr. Roger Greiger practices Psychiatry Physician in Everett, MA.
Where does Dr. Roger Greiger practice?
Dr. Roger Greiger practices at 173 Chelsea St, Everett, MA 021494632. Office phone: 7813886206.
What is Dr. Roger Greiger's NPI?
Dr. Roger Greiger's National Provider Identifier (NPI) is 1427015627, issued by NPPES.
Does Dr. Roger Greiger accept Medicare assignment?
Yes. Dr. Roger Greiger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roger Greiger commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.