Physician Profile
Based in Manalapan, NJ, Maria V. Ongsiako, M.D. is listed in the NPI registry under psychiatry. Maria is also listed as specializing in geriatric psychiatry. Medicare claims data shows Maria provided 1,083 services to 301 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, psychotherapy with evaluation and management visit, 30 minutes, and psychotherapy with evaluation and management visit, 45 minutes. NPI 1639262975 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
420 BRIDGE PLAZA DR # A
Manalapan, NJ 07726
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
Sleep & Wakefulness
Most searched procedures
Assessment
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
1,083 services · 301 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
316 | More often than most peers in Psychiatry |
| Psychotherapy with evaluation and management visit, 45 minutes | Treatment | 90836 |
84 | As often as other peers in Psychiatry |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
24 | As often as other peers in Psychiatry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
584 | More than most peers in Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
75 | As often as other peers in Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Maria V. Ongsiako is a psychiatrist in Manalapan, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Maria V. Ongsiako is listed at 420 Bridge Plaza Dr # A, Manalapan, NJ 07726. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (732) 617-2222. Contact the office directly to confirm availability and scheduling.
NPI registry
Maria V. Ongsiako's National Provider Identifier is 1639262975. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Maria V. Ongsiako attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
Maria V. Ongsiako has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Maria V. Ongsiako provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and psychotherapy with evaluation and management visit, 45 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Maria V. Ongsiako. If this is you, claiming it is free.
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