Doctor profile · Federal record
Dr. Alexander Clerk, M.D.
Sleep Specialist (PHD) (CMS: Psychiatry) · Psychiatry Physician · San Jose, CA
- NPI 1902911381
- 51 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
455 Oconnor Dr Ste 110
San Jose, CA 951281637
(408) 295-4532
fax (408) 295-4738
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- January 19, 2021
- Year of graduation
- 1975 — 51 yrs since
- Specialty taxonomy
- 173F00000X — NUCC code
- State licenses (2)
- California #448 · California #A36573
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902911381. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
274
Distinct HCPCS
6
Medicare allowed
$59,751
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 155 | 110 | $146 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 50 | 16 | $85 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 21 | $186 | |
95810 |
Sleep study in sleep lab (6 years or older) | 20 | 20 | $778 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $188 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 13 | 13 | $814 |
In context: peer comparison
Among 1 peers in San Jose Sleep Specialist (PHD), average services per provider: 45. This provider delivers 6.1× the peer median.Frequently asked questions
What is Dr. Alexander Clerk's medical specialty?
Dr. Alexander Clerk practices Sleep Specialist (PHD) in San Jose, CA.
Where does Dr. Alexander Clerk practice?
Dr. Alexander Clerk practices at 455 Oconnor Dr Ste 110, San Jose, CA 951281637. Office phone: 4082954532.
What is Dr. Alexander Clerk's NPI?
Dr. Alexander Clerk's National Provider Identifier (NPI) is 1902911381, issued by NPPES.
Does Dr. Alexander Clerk accept Medicare assignment?
Dr. Alexander Clerk does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Alexander Clerk commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.