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Edit this profileAt a glance
- 4077 Fifth Ave, San Diego, CA 92103
About Dr. Lian
Based in San Diego, CA, Thomas C. Lian, M.D. is listed in the NPI registry under psychiatry. Thomas graduated from University of California, San Francisco School of Medicine in 1985. According to Medicare claims data, Thomas cared for 95 Medicare patients across 607 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, psychotherapy with evaluation and management visit, 30 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. NPI 1770594616 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
- (619) 220-8114
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
4077 FIFTH AVE
San Diego, CA 92103
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
607 services · 95 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
89 | As often as other peers in Psychiatry |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
479 | More than most peers in Psychiatry |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
39 | More 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.
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 San Diego 8
Same specialty, same city.
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1985 at University of California, San Francisco 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 Thomas C. Lian specialize in?
Thomas C. Lian 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 Thomas C. Lian located?
Thomas C. Lian is listed at 4077 Fifth Ave, San Diego, CA 92103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Thomas C. Lian's phone number?
The number on file is (619) 220-8114. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Thomas C. Lian's NPI number?
Thomas C. Lian's National Provider Identifier is 1770594616. 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 Thomas C. Lian train?
Thomas C. Lian attended University of California, San Francisco School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Thomas C. Lian been practicing?
Thomas C. Lian has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does Thomas C. Lian do most often?
According to Medicare billing data, Thomas C. Lian provides treatments such as psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Thomas C. Lian confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Thomas C. Lian. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.