Physician Profile
Marian Louis, MD
Unclaimed ProfileAbout Dr. Louis
Marian Louis, MD practices psychiatry in Sacramento, CA. Marian is a 1978 graduate of New York Medical College. According to Medicare claims data, Marian cared for 35 Medicare patients across 76 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1457491144.
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
- (916) 993-4131
- Email not available
Practice Locations
650 HOWE AVE BLDG 400-B
Sacramento, CA 95825
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
76 services · 35 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
76 | As often as other 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.
Related specialists at this location 5
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.
Common questions
What does Dr. Louis specialize in?
Dr. Louis is a psychiatrist in Sacramento, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Dr. Louis located?
Dr. Louis is listed at 650 Howe Ave Bldg 400-B, Sacramento, CA 95825. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Louis's phone number?
The number on file is (916) 993-4131. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Louis's NPI number?
Dr. Louis's National Provider Identifier is 1457491144. 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 Dr. Louis go to medical school?
Dr. Louis attended New York Medical College, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Louis been practicing?
Dr. Louis has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Louis do most often?
According to Medicare billing data, Dr. Louis 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 Dr. Louis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Louis. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.