Physician Profile
Maria J. Nahmias, M.D.
Unclaimed ProfileAbout Dr. Nahmias
Based in Valhalla, NY, Maria J. Nahmias, M.D. is listed in the NPI registry under psychiatry. Medicare claims data shows Maria provided 103 services to 46 patients. The services billed most often include psychotherapy with evaluation and management visit, 30 minutes, telephone medical discussion with physician, 21-30 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1639571805 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (914) 493-1939
- Email not available
Practice Locations
100 WOODS RD
Valhalla, NY 10595
Conditions Commonly Evaluated or Treated
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.
Conditions
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
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
103 services · 46 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
47 | Less often than most peers in Psychiatry |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
35 | As often as other 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 |
21 | Less often than most peers in Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other psychiatrists in Valhalla 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Maria J. Nahmias's specialty?
Maria J. Nahmias is a psychiatrist in Valhalla, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where can I find Maria J. Nahmias?
Maria J. Nahmias is listed at 100 Woods Rd, Valhalla, NY 10595. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Maria J. Nahmias?
The number on file is (914) 493-1939. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Maria J. Nahmias?
Maria J. Nahmias's National Provider Identifier is 1639571805. 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
What is Maria J. Nahmias's education?
Maria J. Nahmias attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Maria J. Nahmias have?
Maria J. Nahmias has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Maria J. Nahmias known for?
According to Medicare billing data, Maria J. Nahmias provides treatments such as psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Maria J. Nahmias's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Maria J. Nahmias. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.