Physician Profile
Based in Medford, OR, John M. Mahan, M.D. is listed in the NPI registry under psychiatry. John graduated from Oregon Health & Sciences Univ School of Dentistry in 2011. John is also listed as specializing in addiction psychiatry. Medicare claims data shows John provided 1,139 services to 1,102 patients. The services billed most often include admn sarscov2 vacc 1 dose, sarscov2 vac 50 mcg/0.5ml im, and administration of influenza virus vaccine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
140 S HOLLY ST
Medford, OR 97501
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
1,139 services · 1,102 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
340 |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
335 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
220 |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
14 |
| Administration of influenza virus vaccine | Billing code | G0008 |
230 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
John M. Mahan is a psychiatrist in Medford, OR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
John M. Mahan is listed at 140 S Holly St, Medford, OR 97501. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (541) 774-8201. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
John M. Mahan's National Provider Identifier is 1558652693. 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
John M. Mahan attended Oregon Health & Sciences Univ School of Dentistry, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
John M. Mahan has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, John M. Mahan provides treatments such as admn sarscov2 vacc 1 dose and sarscov2 vac 50 mcg/0.5ml im. 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 John M. Mahan. 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.