Doctor profile · Federal record
Dr. Natalya Grigoryan, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · West Hills, CA
- NPI 1811485394
- Accepts Medicare
- 10 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
7300 Medical Center Dr
West Hills, CA 913071902
(818) 676-4000
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- July 2, 2025
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- California #A174112 · Iowa #MD-54985
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811485394. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
334
Distinct HCPCS
4
Medicare allowed
$55,380
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 198 | 192 | $180 | |
99284 |
Emergency department visit with moderate level of medical decision making | 65 | 65 | $124 | |
99291 |
Critical care, first 30-74 minutes | 43 | 43 | $221 | |
99283 |
Emergency department visit with low level of medical decision making | 28 | 28 | $74 |
In context: peer comparison
Among 11 peers in West Hills Emergency Medicine Physician, average services per provider: 137. This provider delivers 2.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
36
Patients
36
Total drug cost
$209
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 21 | 21 | $166 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 15 | 15 | $43 |
Hospital affiliations
Frequently asked questions
What is Dr. Natalya Grigoryan's medical specialty?
Dr. Natalya Grigoryan practices Emergency Medicine Physician in West Hills, CA.
Where does Dr. Natalya Grigoryan practice?
Dr. Natalya Grigoryan practices at 7300 Medical Center Dr, West Hills, CA 913071902. Office phone: 8186764000.
What is Dr. Natalya Grigoryan's NPI?
Dr. Natalya Grigoryan's National Provider Identifier (NPI) is 1811485394, issued by NPPES.
Does Dr. Natalya Grigoryan accept Medicare assignment?
Yes. Dr. Natalya Grigoryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Natalya Grigoryan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.