Doctor profile · Federal record
Dr. Nagui Achamallah, M.D.
Psychiatry Physician (CMS: Psychiatry) · Modesto, CA
- NPI 1629057393
- Accepts Medicare
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1601 Cummins Dr Ste D
Modesto, CA 953586411
(510) 900-3125
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- December 13, 2021
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- California #A48988
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629057393. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
158
Distinct HCPCS
2
Medicare allowed
$26,068
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 85 | 84 | $193 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 73 | 55 | $132 |
In context: peer comparison
Among 10 peers in Modesto Psychiatry Physician, average services per provider: 164. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
88
Patients
0
Total drug cost
$1,236
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trazodone Hcl | Generic | 22 | 0 | $226 |
| Sertraline Hcl | Generic | 21 | 0 | $200 |
| Buspirone Hcl | Generic | 20 | 0 | $166 |
| Bupropion Xl (Bupropion Hcl) | Brand | 14 | 0 | $443 |
| Duloxetine Hcl | Generic | 11 | 0 | $202 |
Hospital affiliations
Frequently asked questions
What is Dr. Nagui Achamallah's medical specialty?
Dr. Nagui Achamallah practices Psychiatry Physician in Modesto, CA.
Where does Dr. Nagui Achamallah practice?
Dr. Nagui Achamallah practices at 1601 Cummins Dr Ste D, Modesto, CA 953586411. Office phone: 5109003125.
What is Dr. Nagui Achamallah's NPI?
Dr. Nagui Achamallah's National Provider Identifier (NPI) is 1629057393, issued by NPPES.
Does Dr. Nagui Achamallah accept Medicare assignment?
Yes. Dr. Nagui Achamallah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nagui Achamallah commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.