Physician Profile
Ellen A. Machikawa, M.D.
Unclaimed ProfileAbout Dr. Machikawa
Ellen A. Machikawa, M.D. practices psychiatry in Los Angeles, CA. Ellen is a 1995 graduate of University of Southern California Keck School of Medicine. According to Medicare claims data, Ellen cared for 63 Medicare patients across 132 services. The services billed most often include residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (323) 268-3655
- Email not available
Practice Locations
573 S BOYLE AVE
Los Angeles, CA 90033
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
132 services · 63 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
62 |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
30 |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
23 |
| Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes | Office visit | 99347 |
17 |
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.
Also at this address 3
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 Los Angeles 8
Same specialty, same city.
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1995 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Ellen A. Machikawa specialize in?
Ellen A. Machikawa 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 is Ellen A. Machikawa located?
Ellen A. Machikawa is listed at 573 S Boyle Ave, Los Angeles, CA 90033. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Ellen A. Machikawa's phone number?
The number on file is (323) 268-3655. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Ellen A. Machikawa's NPI number?
Ellen A. Machikawa's National Provider Identifier is 1902007552. 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 Ellen A. Machikawa train?
Ellen A. Machikawa attended University of Southern California Keck School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Ellen A. Machikawa been practicing?
Ellen A. Machikawa has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Ellen A. Machikawa do most often?
According to Medicare billing data, Ellen A. Machikawa 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 Ellen A. Machikawa confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Ellen A. Machikawa. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.