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Edit this profileWhere to find James S. Marks, M.D.
- Vernon Hills location main office
977 Lakeview Pkwy, Suite 170, Vernon Hills, IL 60061 - Vernon Hills location
977 Lakeview Pkwy Ste 190, Vernon Hills, IL 60061
About Dr. Marks
Based in Vernon Hills, IL, James S. Marks, M.D. is listed in the NPI registry under psychiatry. According to Medicare claims data, James cared for 143 Medicare patients across 465 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1841305018 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
- (847) 367-1611
- Email not available
Practice Locations
977 LAKEVIEW PKWY SUITE 170
Vernon Hills, IL 60061
977 Lakeview Pkwy Ste 190
Vernon Hills, IL 60061
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
465 services · 143 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
465 | More 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.
Other psychiatrists at this location 2
Same specialty, same street address — most likely the same department or group.
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.
More connections — 22 related providers in 3 groups
Other psychiatrists in Vernon Hills 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does James S. Marks specialize in?
James S. Marks is a psychiatrist in Vernon Hills, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is James S. Marks located?
James S. Marks is listed at 977 Lakeview Pkwy Suite 170, Vernon Hills, IL 60061. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is James S. Marks's phone number?
The number on file is (847) 367-1611. Contact the office directly to confirm availability and scheduling.
NPI registry
What is James S. Marks's NPI number?
James S. Marks's National Provider Identifier is 1841305018. 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 James S. Marks train?
James S. Marks attended Other, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has James S. Marks been practicing?
James S. Marks has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does James S. Marks do most often?
According to Medicare billing data, James S. Marks 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 James S. Marks confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by James S. Marks. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.