Doctor profile · Federal record
Dr. Thomas Lian, M.D.
Psychiatry Physician (CMS: Psychiatry) · San Diego, CA
- NPI 1770594616
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4077 Fifth Ave
San Diego, CA 921032105
(619) 220-8114
fax (801) 253-9831 - Mailing address
-
Po Box 9268
Rancho Santa Fe, CA 920674268
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- December 15, 2020
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- California #G60506
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770594616. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
679
Distinct HCPCS
4
Medicare allowed
$57,508
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 301 | 28 | $63 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 233 | 30 | $82 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 116 | 18 | $123 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 29 | 28 | $177 |
In context: peer comparison
Among 54 peers in San Diego Psychiatry Physician, average services per provider: 141. This provider delivers 4.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
77
Patients
0
Total drug cost
$34,267
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metformin Hcl | Generic | 24 | 0 | $174 |
| Levetiracetam | Generic | 16 | 0 | $1,274 |
| Risperdal Consta (Risperidone Microspheres) | Brand | 13 | 0 | $32,515 |
| Atenolol | Generic | 12 | 0 | $93 |
| Levothyroxine Sodium | Generic | 12 | 0 | $211 |
Hospital affiliations
Frequently asked questions
What is Dr. Thomas Lian's medical specialty?
Dr. Thomas Lian practices Psychiatry Physician in San Diego, CA.
Where does Dr. Thomas Lian practice?
Dr. Thomas Lian practices at 4077 Fifth Ave, San Diego, CA 921032105. Office phone: 6192208114.
What is Dr. Thomas Lian's NPI?
Dr. Thomas Lian's National Provider Identifier (NPI) is 1770594616, issued by NPPES.
Does Dr. Thomas Lian accept Medicare assignment?
Dr. Thomas Lian does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Thomas Lian commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.