Doctor profile · Federal record
Dr. Karen Fong, MD
Otolaryngology Physician (CMS: Otolaryngology) · Walnut Creek, CA
- NPI 1548275068
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 34 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2637 Shadelands Dr
Walnut Creek, CA 945982512
(925) 300-4680
fax (925) 906-9780 - Additional location
-
5924 Stoneridge Dr Ste 108
Pleasanton, CA 945885400
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- May 1, 2025
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State license (1)
- California #A52969
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548275068. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
708
Distinct HCPCS
5
Medicare allowed
$143,739
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
31231 |
Diagnostic exam of nasal passages using an endoscope | 318 | 161 | $246 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 305 | 148 | $151 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 54 | 54 | $197 | |
31237 |
Biopsy or removal of nasal polyp or tissue using an endoscope | 17 | 11 | $426 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 14 | 14 | $106 |
In context: peer comparison
Among 2 peers in Walnut Creek Otolaryngology Physician, average services per provider: 148. This provider delivers 4.8× the peer median.Open Payments
Industry payments received
All-time total
$326
Transactions
12
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 1 | $62.34 | |
| Baxter Healthcare | 3 | $53.38 | |
| Vanda Pharmaceuticals INC. | 2 | $53.31 | |
| GlaxoSmithKline, LLC. | 2 | $48.58 | |
| Inspire Medical Systems, INC. | 1 | $47.50 | |
| Merck Sharp & Dohme LLC | 1 | $23.38 | |
| Optinose US, INC. | 1 | $20.72 | |
| Neurent Medical Limited | 1 | $16.86 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
332
Patients
164
Total drug cost
$11,258
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azelastine Hcl | Generic | 58 | 21 | $2,154 |
| Ipratropium Bromide | Generic | 57 | 27 | $2,951 |
| Fluticasone Propionate | Generic | 52 | 21 | $958 |
| Prednisolone Acetate | Generic | 49 | 28 | $4,023 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 26 | 21 | $357 |
| Prednisone | Generic | 25 | 22 | $76 |
| Mupirocin | Generic | 24 | 13 | $278 |
| Montelukast Sodium | Generic | 18 | 0 | $226 |
| Omeprazole | Generic | 12 | 0 | $195 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 11 | $40 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Fong's medical specialty?
Dr. Karen Fong practices Otolaryngology Physician in Walnut Creek, CA.
Where does Dr. Karen Fong practice?
Dr. Karen Fong practices at 2637 Shadelands Dr, Walnut Creek, CA 945982512. Office phone: 9253004680.
What is Dr. Karen Fong's NPI?
Dr. Karen Fong's National Provider Identifier (NPI) is 1548275068, issued by NPPES.
Does Dr. Karen Fong accept Medicare assignment?
Yes. Dr. Karen Fong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Fong 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 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.