Physician Profile
Based in Ann Arbor, MI, Elizabeth OVERTON GUNNAR Hoffman, M.D. is listed in the NPI registry under addiction medicine (neurology/psychiatry). Elizabeth graduated from Loyola University of Chicago, Stritch School of Medicine in 2016. Elizabeth is also listed as specializing in internal medicine and psychiatry. Medicare claims data shows Elizabeth provided 177 services to 99 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, and hospital discharge day management, more than 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1500 E MEDICAL CENTER DR
Ann Arbor, MI 48109
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
177 services · 99 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 35 minutes | Office visit | 99232 |
136 | More often than most peers in Addiction Medicine (Neurology/Ps… |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
28 | Too few peers to compare |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
13 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Elizabeth OVERTON GUNNAR Hoffman is an addiction medicine (neurology/psychiatry) in Ann Arbor, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Elizabeth OVERTON GUNNAR Hoffman is listed at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (734) 936-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Elizabeth OVERTON GUNNAR Hoffman's National Provider Identifier is 1811351943. 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
Elizabeth OVERTON GUNNAR Hoffman attended Loyola University of Chicago, Stritch School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
Elizabeth OVERTON GUNNAR Hoffman has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Elizabeth OVERTON GUNNAR Hoffman 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 Elizabeth OVERTON GUNNAR Hoffman. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.