Physician Profile
Based in Stamford, CT, Anna Wisniewski-Zyskowski, MD is listed in the NPI registry under psychiatry. According to Medicare claims data, the services billed most often include initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes. NPI 1326050311 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.
30 SHELBURNE RD
Stamford, CT 06902
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
11 services · 11 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
11 | 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.
Dr. Wisniewski-Zyskowski is a psychiatrist in Stamford, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Dr. Wisniewski-Zyskowski is listed at 30 Shelburne Rd, Stamford, CT 06902. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (203) 276-7081. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Wisniewski-Zyskowski's National Provider Identifier is 1326050311. 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
Dr. Wisniewski-Zyskowski attended Other, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Dr. Wisniewski-Zyskowski has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Wisniewski-Zyskowski the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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 Dr. Wisniewski-Zyskowski. If this is you, claiming it is free.
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