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Edit this profileAt a glance
- 8989 Rio San Diego Dr Ste 200, San Diego, CA 92108
About Dr. Lyon
Based in San Diego, CA, Ronit Y. Lyon, MD is listed in the NPI registry under psychiatry. Ronit graduated from University of California, Geffen School of Medicine in 2014. Ronit is also listed as specializing in pain medicine. According to Medicare claims data, the services billed most often include psychotherapy with evaluation and management visit, 30 minutes. NPI 1689056293 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
- (858) 279-1223
- Email not available
Practice Locations
8989 RIO SAN DIEGO DR STE 200
San Diego, CA 92108
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
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
74 services · 11 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
74 | 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.
Other psychiatrists at this location 5
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 — 32 related providers in 4 groups
Other psychiatrists in San Diego 8
Same specialty, same city.
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Lyon specialize in?
Dr. Lyon is a psychiatrist in San Diego, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Dr. Lyon located?
Dr. Lyon is listed at 8989 Rio San Diego Dr Ste 200, San Diego, CA 92108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Lyon's phone number?
The number on file is (858) 279-1223. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Lyon?
Dr. Lyon's National Provider Identifier is 1689056293. 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. Lyon go to medical school?
Dr. Lyon attended University of California, Geffen School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lyon have?
Dr. Lyon has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Lyon do most often?
According to Medicare billing data, Dr. Lyon provides treatments such as psychotherapy with evaluation and management visit, 30 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lyon's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lyon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.