Doctor profile · Federal record
Dr. David Merrill, MD
Psychiatry Physician (CMS: Geriatric Psychiatry) · Los Angeles, CA
- NPI 1902923410
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 UCLA Medical Plz Ste 2200
Los Angeles, CA 900952050
(310) 825-9989 - Additional location
-
1301 20Th St Ste 150
Santa Monica, CA 904042050
(310) 582-7641
fax (310) 315-4069 - Mailing address
-
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- July 18, 2024
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- California #A93072
- Medicaid
- CA #00A930720
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902923410. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,540
Distinct HCPCS
10
Medicare allowed
$379,351
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 934 | 205 | $74 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 759 | 189 | $141 | |
90868 |
Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management | 598 | 19 | $134 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 394 | 75 | $34 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 301 | 158 | $197 | |
90785 |
Psychiatric services complicated by communication factor | 299 | 108 | $16 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 48 | 48 | $237 | |
90836 |
Psychotherapy with evaluation and management visit, 45 minutes | 39 | 14 | $94 | |
95816 |
Measurement of brain wave activity (eeg), awake and drowsy | 28 | 28 | $454 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 28 | 23 | $134 |
In context: peer comparison
Among 77 peers in Los Angeles Psychiatry Physician, average services per provider: 134. This provider delivers 26× the peer median.Open Payments
Industry payments received
All-time total
$358
Transactions
13
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Csl Behring | 3 | $104.73 | |
| Acadia Pharmaceuticals INC | 3 | $86.00 | |
| Lilly USA, LLC | 3 | $61.76 | |
| Argenx US, INC. | 2 | $55.97 | |
| Mdd US Operations, LLC | 2 | $49.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,164
Patients
303
Total drug cost
$34,824
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Escitalopram Oxalate | Generic | 153 | 45 | $2,954 |
| Trazodone Hcl | Generic | 121 | 33 | $2,499 |
| Venlafaxine Hcl ER (Venlafaxine Hcl) | Brand | 119 | 25 | $5,210 |
| Quetiapine Fumarate | Generic | 108 | 22 | $4,697 |
| Memantine Hcl | Generic | 83 | 22 | $4,775 |
| Lorazepam | Generic | 80 | 14 | $965 |
| Donepezil Hcl | Generic | 75 | 24 | $1,716 |
| Mirtazapine | Generic | 62 | 18 | $3,416 |
| Alprazolam | Generic | 61 | 13 | $646 |
| Fluoxetine Hcl | Generic | 61 | 21 | $1,271 |
Frequently asked questions
What is Dr. David Merrill's medical specialty?
Dr. David Merrill practices Psychiatry Physician in Los Angeles, CA.
Where does Dr. David Merrill practice?
Dr. David Merrill practices at 300 UCLA Medical Plz Ste 2200, Los Angeles, CA 900952050. Office phone: 3108259989.
What is Dr. David Merrill's NPI?
Dr. David Merrill's National Provider Identifier (NPI) is 1902923410, issued by NPPES.
Does Dr. David Merrill accept Medicare assignment?
Yes. Dr. David Merrill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Merrill commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99214); Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management (HCPCS 90868). Source: CMS Medicare Physician & Other Practitioners file.