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Edit this profileAt a glance
- 3432 Hillcrest Ave, Suite 175, Antioch, CA 94531
About Dr. Leon
Ronald L. Leon, M.D. practices psychiatry in Antioch, CA. Ronald is a 1981 graduate of University of Wisconsin School of Medicine. Ronald is also listed as specializing in specialist. According to Medicare claims data, Ronald cared for 279 Medicare patients across 791 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, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. The provider's National Provider Identifier (NPI) is 1467418830.
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
- (925) 778-1444
- Email not available
Practice Locations
3432 HILLCREST AVE SUITE 175
Antioch, CA 94531
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
791 services · 279 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
14 | Less 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 |
639 | More than most 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 |
109 | As often as other peers in Psychiatry |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
15 | Less often than most peers in Psychiatry |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
14 | 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.
Related specialists at this location 1
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.
Other psychiatrists in Antioch 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Wisconsin School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at University of Wisconsin School of Medicine 7
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 Ronald L. Leon's specialty?
Ronald L. Leon is a psychiatrist in Antioch, 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 Ronald L. Leon?
Ronald L. Leon is listed at 3432 Hillcrest Ave Suite 175, Antioch, CA 94531. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Ronald L. Leon?
The number on file is (925) 778-1444. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Ronald L. Leon's NPI number?
Ronald L. Leon's National Provider Identifier is 1467418830. 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 Ronald L. Leon's education?
Ronald L. Leon attended University of Wisconsin School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Ronald L. Leon been practicing?
Ronald L. Leon has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What is Ronald L. Leon known for?
According to Medicare billing data, Ronald L. Leon provides treatments such as psychiatric diagnostic evaluation with medical services, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Ronald L. Leon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Ronald L. Leon. If this is you, claiming it is free.
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