Doctor profile · Federal record
Dr. Leonid Groysman, MD
Neurocritical Care Physician (CMS: Neurology) · Neurology Physician · Psychiatry Physician · Fountain Valley, CA
- NPI 1104076785
- Accepts Medicare
- MIPS 91.2 / 100 · 2023
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
17360 Brookhurst St.
Fountain Valley, CA 927083720
(877) 844-0012
fax (714) 665-4680
Credentials & registration
- NPI registered
- September 2008 — 18 yrs on file
- Profile last updated
- February 14, 2025
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 2084A2900X — NUCC code
- State license (1)
- California #A112765
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104076785. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
251
Distinct HCPCS
5
Medicare allowed
$42,964
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 135 | 35 | $226 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 62 | 30 | $85 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 21 | $186 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $139 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 15 | 12 | $53 |
In context: peer comparison
Among 1 peers in Fountain Valley Neurocritical Care Physician, average services per provider: 50. This provider delivers 5.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Leonid Groysman's medical specialty?
Dr. Leonid Groysman practices Neurocritical Care Physician in Fountain Valley, CA.
Where does Dr. Leonid Groysman practice?
Dr. Leonid Groysman practices at 17360 Brookhurst St., Fountain Valley, CA 927083720. Office phone: 8778440012.
What is Dr. Leonid Groysman's NPI?
Dr. Leonid Groysman's National Provider Identifier (NPI) is 1104076785, issued by NPPES.
Does Dr. Leonid Groysman accept Medicare assignment?
Yes. Dr. Leonid Groysman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leonid Groysman commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.