Physician Profile
Marion A. Fossum, MD
Unclaimed ProfileAbout Dr. Fossum
Marion A. Fossum, MD is a healthcare provider in Medical Lake, WA specializing in neuropsychiatry. Marion is also listed as specializing in neurology. According to Medicare claims data, Marion cared for 88 Medicare patients across 119 services. The services billed most often include subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, measurement of brain wave activity (eeg), awake and asleep, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1356875736.
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
- (509) 590-8766
- Email not available
Practice Locations
1717 S RITCHEY RD
Medical Lake, WA 99022
19300 SW 65th Ave
Tualatin, OR 97062
1102 W 32nd St
Joplin, MO 64804
90 Presidential Plz # 4
Syracuse, NY 13202
6000 Hospital Dr
Hannibal, MO 63401
1701 S Creasy Ln
Lafayette, IN 47905
2041 Georgia Ave NW # 5B05
Washington, DC 20060
200 Hawthorne Ln
Charlotte, NC 28204
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
119 services · 88 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity (eeg), awake and asleep | Treatment | 95819 |
24 | As often as other peers in Neuropsychiatry |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
68 | More often than most peers in Neuropsychiatry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
15 | Less often than most peers in Neuropsychiatry |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
12 | Less often than most peers in Neuropsychiatry |
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Fossum's specialty?
Dr. Fossum is a neuropsychiatry in Medical Lake, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Fossum?
Dr. Fossum is listed at 1717 S Ritchey Rd, Medical Lake, WA 99022. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Fossum?
The number on file is (509) 590-8766. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Fossum's NPI number?
Dr. Fossum's National Provider Identifier is 1356875736. 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
What is Dr. Fossum's medical education?
Dr. Fossum attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Fossum been practicing?
Dr. Fossum has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Fossum known for?
According to Medicare billing data, Dr. Fossum provides treatments such as measurement of brain wave activity , awake and asleep, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Fossum confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fossum. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.