Doctor profile · Federal record
Dr. Karen Peterson, MD
Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · Pasadena, CA
- NPI 1518970235
- Accepts Medicare
- MIPS 82.8 / 100 · 2023
- 35 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
960 E Green St Ste 208
Pasadena, CA 911062401
(424) 314-0196 - Additional location
-
1100 9Th Ave
Seattle, WA 981012756
(206) 223-6600 - Additional location
-
600 Broadway Ste 200
Seattle, WA 981225373
(206) 215-1770
fax (206) 215-1771 - Mailing address
-
4140 W 190Th St
Torrance, CA 905045513
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- December 6, 2023
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State licenses (2)
- California #A53128 · Washington #MD00036232
- Medicaid
- WA #8230948
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518970235. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
96
Distinct HCPCS
4
Medicare allowed
$12,268
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 33 | 27 | $100 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 29 | 27 | $150 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 21 | 21 | $143 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $125 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 121. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$372
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 2 | $152.50 | |
| Baxter Healthcare | 1 | $146.46 | |
| Smith+Nephew, Inc. | 1 | $58.10 | |
| AXOGEN | 1 | $14.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
44
Patients
0
Total drug cost
$583
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 17 | 0 | $81 |
| Omeprazole | Generic | 14 | 0 | $133 |
| Ipratropium Bromide | Generic | 13 | 0 | $369 |
Frequently asked questions
What is Dr. Karen Peterson's medical specialty?
Dr. Karen Peterson practices Otolaryngology Physician in Pasadena, CA.
Where does Dr. Karen Peterson practice?
Dr. Karen Peterson practices at 960 E Green St Ste 208, Pasadena, CA 911062401. Office phone: 4243140196.
What is Dr. Karen Peterson's NPI?
Dr. Karen Peterson's National Provider Identifier (NPI) is 1518970235, issued by NPPES.
Does Dr. Karen Peterson accept Medicare assignment?
Yes. Dr. Karen Peterson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Peterson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Diagnostic exam of voice box using a flexible endoscope (HCPCS 31575); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.