Physician Profile
Shannon LOUISE DONOVAN Mazur, D.O
Unclaimed ProfileAbout Dr. Mazur
Shannon LOUISE DONOVAN Mazur, D.O is a healthcare provider in New Haven, CT specializing in psychiatry. Shannon is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Shannon cared for 56 Medicare patients across 84 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. This provider record is associated with NPI 1225491152.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (203) 688-4242
- Email not available
Practice Locations
20 YORK ST
New Haven, CT 06510
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
84 services · 56 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
42 | As often as other peers in Psychiatry |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
21 | As often as other peers in Psychiatry |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
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.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
Common questions
What kind of doctor is Shannon LOUISE DONOVAN Mazur?
Shannon LOUISE DONOVAN Mazur is a psychiatrist in New Haven, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
What is Shannon LOUISE DONOVAN Mazur's address?
Shannon LOUISE DONOVAN Mazur is listed at 20 York St, New Haven, CT 06510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Shannon LOUISE DONOVAN Mazur?
The number on file is (203) 688-4242. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Shannon LOUISE DONOVAN Mazur's NPI number?
Shannon LOUISE DONOVAN Mazur's National Provider Identifier is 1225491152. 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
How long has Shannon LOUISE DONOVAN Mazur been practicing?
Shannon LOUISE DONOVAN Mazur has 10+ years experience. Registered with an NPI since 2016. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Shannon LOUISE DONOVAN Mazur perform?
According to Medicare billing data, Shannon LOUISE DONOVAN Mazur 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
Has Shannon LOUISE DONOVAN Mazur confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Shannon LOUISE DONOVAN Mazur. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.