Doctor profile · Federal record
Dr. Edwin Tseng, M.D.
Specialist (CMS: Otolaryngology) · Thousand Oaks, CA
- NPI 1609897271
- MIPS 0.0 / 100 · 2023
- 55 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2220 Lynn RD, Suite 109
Thousand Oaks, CA 913601904
(805) 469-8103
fax (805) 496-9661
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- January 22, 2009
- Year of graduation
- 1971 — 55 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- California #A35161
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609897271. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,416
Distinct HCPCS
8
Medicare allowed
$297,704
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
31231 |
Diagnostic exam of nasal passages using an endoscope | 565 | 260 | $205 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 563 | 310 | $92 | |
69210 |
Removal of impacted ear wax | 472 | 322 | $48 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 382 | 287 | $130 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 212 | 212 | $167 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 87 | 87 | $114 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 83 | 54 | $59 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 52 | 41 | $139 |
In context: peer comparison
Among 4 peers in Thousand Oaks Specialist, average services per provider: 175. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
878
Patients
537
Total drug cost
$20,603
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ipratropium Bromide | Generic | 141 | 66 | $5,693 |
| Fluticasone Propionate | Generic | 108 | 52 | $1,389 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 101 | 79 | $1,268 |
| Methylprednisolone | Generic | 87 | 62 | $825 |
| Azelastine Hcl | Generic | 85 | 43 | $3,517 |
| Cefuroxime (Cefuroxime Axetil) | Brand | 71 | 49 | $1,902 |
| Neomycin-Polymyxin-Hydrocort (Neomycin/Polymyxin B/Hydrocort) | Brand | 65 | 56 | $3,589 |
| Azithromycin | Generic | 60 | 47 | $373 |
| Famotidine | Generic | 30 | 16 | $267 |
| Cephalexin | Generic | 29 | 20 | $341 |
Frequently asked questions
What is Dr. Edwin Tseng's medical specialty?
Dr. Edwin Tseng practices Specialist in Thousand Oaks, CA.
Where does Dr. Edwin Tseng practice?
Dr. Edwin Tseng practices at 2220 Lynn RD, Thousand Oaks, CA 913601904. Office phone: 8054698103.
What is Dr. Edwin Tseng's NPI?
Dr. Edwin Tseng's National Provider Identifier (NPI) is 1609897271, issued by NPPES.
Does Dr. Edwin Tseng accept Medicare assignment?
Dr. Edwin Tseng does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Edwin Tseng commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of nasal passages using an endoscope (HCPCS 31231); Established patient office or other outpatient visit (HCPCS 99213); Removal of impacted ear wax (HCPCS 69210). Source: CMS Medicare Physician & Other Practitioners file.