Doctor profile · Federal record
Dr. Maria Ongsiako, M.D.
Psychiatry Physician (CMS: Psychiatry) · Geriatric Psychiatry Physician · Manalapan, NJ
- NPI 1639262975
- Accepts Medicare
- 44 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
420 Bridge Plaza Dr # A
Manalapan, NJ 077261735
(732) 617-2222
fax (732) 617-2223
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- November 20, 2011
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- New Jersey #25MA05392400
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639262975. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
756
Distinct HCPCS
4
Medicare allowed
$64,333
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 466 | 121 | $79 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 192 | 60 | $69 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 71 | 33 | $123 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 27 | 27 | $205 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 204. This provider delivers 3.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,383
Patients
277
Total drug cost
$18,980
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Alprazolam | Generic | 186 | 37 | $1,288 |
| Escitalopram Oxalate | Generic | 181 | 50 | $2,090 |
| Lorazepam | Generic | 137 | 32 | $1,146 |
| Trazodone Hcl | Generic | 137 | 38 | $1,302 |
| Clonazepam | Generic | 135 | 23 | $1,077 |
| Fluoxetine Hcl | Generic | 134 | 29 | $1,351 |
| Duloxetine Hcl | Generic | 88 | 21 | $5,389 |
| Zolpidem Tartrate | Generic | 67 | 0 | $658 |
| Venlafaxine Hcl Er (Venlafaxine Hcl) | Brand | 58 | 11 | $783 |
| Mirtazapine | Generic | 46 | 0 | $806 |
Frequently asked questions
What is Dr. Maria Ongsiako's medical specialty?
Dr. Maria Ongsiako practices Psychiatry Physician in Manalapan, NJ.
Where does Dr. Maria Ongsiako practice?
Dr. Maria Ongsiako practices at 420 Bridge Plaza Dr # A, Manalapan, NJ 077261735. Office phone: 7326172222.
What is Dr. Maria Ongsiako's NPI?
Dr. Maria Ongsiako's National Provider Identifier (NPI) is 1639262975, issued by NPPES.
Does Dr. Maria Ongsiako accept Medicare assignment?
Yes. Dr. Maria Ongsiako accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Ongsiako commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.