Doctor profile · Federal record
Dr. Marieliz Alonso Calderon, M.D.
Geriatric Psychiatry Physician (CMS: Geriatric Psychiatry) · Geriatric Psychiatry Physician · Fairfax, VA
- NPI 1295990018
- Accepts Medicare
- 18 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
8221 Willow Oaks Corporate Dr
Fairfax, VA 220314512
(703) 289-7599 - Additional location
-
234 E 149Th St
Bronx, NY 104515504
(718) 579-5779 - Additional location
-
8500 Executive Park Ave Ste 202
Fairfax, VA 220312253
(703) 852-7020
fax (703) 289-4612 - Mailing address
-
Po Box 37174
Baltimore, MD 212973174
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- March 11, 2024
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 2084P0805X — NUCC code
- State licenses (2)
- Virginia #0101270761 · New York #268925
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295990018. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
430
Distinct HCPCS
2
Medicare allowed
$62,599
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 411 | 105 | $142 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 19 | 19 | $213 |
In context: peer comparison
Among 1 peers in Fairfax Geriatric Psychiatry Physician, average services per provider: 215. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,305
Patients
246
Total drug cost
$37,315
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Quetiapine Fumarate | Generic | 175 | 21 | $3,716 |
| Buspirone Hcl | Generic | 114 | 23 | $1,209 |
| Trazodone Hcl | Generic | 113 | 26 | $1,079 |
| Mirtazapine | Generic | 95 | 23 | $1,694 |
| Escitalopram Oxalate | Generic | 93 | 18 | $1,185 |
| Clonazepam | Generic | 92 | 18 | $567 |
| Lamotrigine | Generic | 81 | 15 | $1,808 |
| Venlafaxine Hcl ER (Venlafaxine Hcl) | Brand | 77 | 0 | $1,375 |
| Fluoxetine Hcl | Generic | 72 | 11 | $770 |
| Sertraline Hcl | Generic | 72 | 17 | $514 |
Frequently asked questions
What is Dr. Marieliz Alonso Calderon's medical specialty?
Dr. Marieliz Alonso Calderon practices Geriatric Psychiatry Physician in Fairfax, VA.
Where does Dr. Marieliz Alonso Calderon practice?
Dr. Marieliz Alonso Calderon practices at 8221 Willow Oaks Corporate Dr, Fairfax, VA 220314512. Office phone: 7032897599.
What is Dr. Marieliz Alonso Calderon's NPI?
Dr. Marieliz Alonso Calderon's National Provider Identifier (NPI) is 1295990018, issued by NPPES.
Does Dr. Marieliz Alonso Calderon accept Medicare assignment?
Yes. Dr. Marieliz Alonso Calderon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marieliz Alonso Calderon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.