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Edit this profileAt a glance
- 140 S Holly St, Medford, OR 97501
About Dr. Mahan
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. NPI 1558652693 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
- (541) 774-8201
- Email not available
Practice Locations
140 S HOLLY ST
Medford, OR 97501
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
Cognitive and adjustment
Eating, sleep, and somatic
Geriatric care
Mental Health
Neurodevelopmental and behavioral
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Eating Disorders
Mood & Depression
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Advanced treatment
Assessment
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Addiction care
Addiction Medicine
Assessments
- Adult ADHD Testing
- Autism testing
- Cognitive Assessment
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
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.
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 8
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.
Other psychiatrists in Medford 8
Same specialty, same city.
More connections — 1 related provider in 1 group
Class of 2011 at Oregon Health & Sciences Univ School of Dentistry 1
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is John M. Mahan?
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
What is John M. Mahan's address?
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
How can I make an appointment with John M. Mahan?
The number on file is (541) 774-8201. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John M. Mahan?
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
Where did John M. Mahan train?
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
How much experience does John M. Mahan have?
John M. Mahan has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What procedures does John M. Mahan perform?
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
Is John M. Mahan's profile verified?
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
Guide.md listings do not constitute medical advice or an endorsement.