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Edit this profileWhere to find Gilbert M. Simas, MD
- Los Angeles location main office
6500 Wilshire Blvd Fl 19, Los Angeles, CA 90048 - Portland location
980 SE Pine St, Portland, OR 97214 - Fresno location
3133 N Millbrook Ave, Fresno, CA 93703 - Thornton location
8931 Huron St, Thornton, CO 80260 - Fresno location
4411 E Kings Canyon Rd, Fresno, CA 93702
About Dr. Simas
Gilbert M. Simas, MD practices psychiatry in Los Angeles, CA. Gilbert is also listed as specializing in addiction psychiatry. Medicare claims data shows Gilbert provided 540 services to 256 patients. 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, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. The provider's National Provider Identifier (NPI) is 1497802383.
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
- (805) 764-9651
- Email not available
Practice Locations
6500 WILSHIRE BLVD FL 19
Los Angeles, CA 90048
980 SE Pine St
Portland, OR 97214
3133 N Millbrook Ave
Fresno, CA 93703
8931 Huron St
Thornton, CO 80260
4411 E Kings Canyon Rd
Fresno, CA 93702
1520 E Pima St
Phoenix, AZ 85034
4526 Federal Ave
Everett, WA 98203
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
540 services · 256 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
44 | More often than most peers in Psychiatry |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
25 | As often as other peers in Psychiatry |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
134 | More often than most peers in Psychiatry |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
107 | More often than most peers in Psychiatry |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
107 | More often than most peers in Psychiatry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
74 | As often as other peers in Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
22 | Less often than most peers in Psychiatry |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
16 | Less often than most peers in Psychiatry |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
11 | Less often 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 3
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 — 31 related providers in 4 groups
Other psychiatrists in Los Angeles 8
Same specialty, same city.
Trained at Other 7
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychiatric diagnostic evaluation with medical services 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Simas's specialty?
Dr. Simas is a psychiatrist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where can I find Dr. Simas?
Dr. Simas is listed at 6500 Wilshire Blvd Fl 19, Los Angeles, CA 90048. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Simas?
The number on file is (805) 764-9651. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Simas?
Dr. Simas's National Provider Identifier is 1497802383. 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. Simas's medical education?
Dr. Simas attended Other, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Simas have?
Dr. Simas has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Simas known for?
According to Medicare billing data, Dr. Simas provides treatments such as psychiatric diagnostic evaluation with medical services and psychiatric diagnostic evaluation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Simas's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Simas. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.