Doctor profile · Federal record
Dr. Thomas Gernon, MD
Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · South Pasadena, CA
- NPI 1548387525
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 21 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
209 Fair Oaks Ave
South Pasadena, CA 910301814
(626) 396-2900 - Additional location
-
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673 - Mailing address
-
Po Box 512185
Los Angeles, CA 900510185
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- December 14, 2020
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State licenses (2)
- California #C139412 · Arizona #45335
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548387525. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
467
Distinct HCPCS
8
Medicare allowed
$68,574
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 188 | 109 | $70 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 117 | 78 | $73 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 44 | 35 | $103 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 35 | 35 | $190 | |
38724 |
Removal of lymph nodes, muscle, and tissue of neck | 32 | 31 | $912 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $140 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 12 | $99 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 13 | 12 | $151 |
In context: peer comparison
Among 1 peers in South Pasadena Otolaryngology Physician, average services per provider: 58. This provider delivers 8.1× the peer median.Open Payments
Industry payments received
All-time total
$95
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 3 | $71.73 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $23.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
12
Total drug cost
$92
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 12 | $92 |
Frequently asked questions
What is Dr. Thomas Gernon's medical specialty?
Dr. Thomas Gernon practices Otolaryngology Physician in South Pasadena, CA.
Where does Dr. Thomas Gernon practice?
Dr. Thomas Gernon practices at 209 Fair Oaks Ave, South Pasadena, CA 910301814. Office phone: 6263962900.
What is Dr. Thomas Gernon's NPI?
Dr. Thomas Gernon's National Provider Identifier (NPI) is 1548387525, issued by NPPES.
Does Dr. Thomas Gernon accept Medicare assignment?
Yes. Dr. Thomas Gernon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Gernon 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.