Doctor profile · Federal record
Dr. Lovella Caluya-Diaz, M.D.
Psychiatry Physician (CMS: Psychiatry) · San Mateo, CA
- NPI 1497956320
- Accepts Medicare
- 33 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1950 Alameda de Las Pulgas
San Mateo, CA 944031222
(650) 385-9479
fax (650) 349-0476 - Additional location
-
150 W 20Th Ave
San Mateo, CA 944031341
(650) 573-2421
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- December 9, 2020
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- California #A060314
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497956320. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
79
Distinct HCPCS
2
Medicare allowed
$12,786
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 42 | 13 | $163 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 37 | 11 | $161 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 82. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
894
Patients
13
Total drug cost
$348,343
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Invega Sustenna (Paliperidone Palmitate) | Brand | 103 | 0 | $331,314 |
| Olanzapine | Generic | 84 | 0 | $1,222 |
| Trazodone Hcl | Generic | 82 | 13 | $1,019 |
| Topiramate | Generic | 75 | 0 | $403 |
| Lamotrigine | Generic | 70 | 0 | $1,454 |
| Bupropion Hcl Sr (Bupropion Hcl) | Brand | 69 | 0 | $1,038 |
| Quetiapine Fumarate | Generic | 56 | 0 | $1,772 |
| Fluoxetine Hcl | Generic | 54 | 0 | $274 |
| Clonazepam | Generic | 53 | 0 | $127 |
| Aripiprazole | Generic | 50 | 0 | $5,905 |
Frequently asked questions
What is Dr. Lovella Caluya-Diaz's medical specialty?
Dr. Lovella Caluya-Diaz practices Psychiatry Physician in San Mateo, CA.
Where does Dr. Lovella Caluya-Diaz practice?
Dr. Lovella Caluya-Diaz practices at 1950 Alameda de Las Pulgas, San Mateo, CA 944031222. Office phone: 6503859479.
What is Dr. Lovella Caluya-Diaz's NPI?
Dr. Lovella Caluya-Diaz's National Provider Identifier (NPI) is 1497956320, issued by NPPES.
Does Dr. Lovella Caluya-Diaz accept Medicare assignment?
Yes. Dr. Lovella Caluya-Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lovella Caluya-Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.