Dermatology, Dermapathology · Duarte, CA
NPI
1467772533
Since 2010
Specialty
Dermatology, Dermapathology
Code 207ND0900X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
1500 Duarte Rd
Duarte, CA, 91010
Phone (626) 775-3514
Groups this clinician bills Medicare through
Medicare paid, 2024
$85K
2,098 services
Medicare patients, 2024
466
Average age 74
Drug cost, 2024
$721K
236 prescriptions
Company payments, 2025
$17K
From 9 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Christiane Querfeld was code 88341 (immunohistochemistry), 592 times for 143 patients. In total Christiane Querfeld billed 2,098 services in 38 codes, and Medicare paid $85K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-06-27.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 88341 Immunohistochemistry | Facility | 592 | 143 | $23.66 | $14K |
| 88305 Surgical Pathology Examination | Facility | 336 | 238 | $30.67 | $10K |
| 99214 Office E&M - Established | Facility | 299 | 102 | $81.91 | $24K |
| 88342 Immunohistochemistry | Facility | 194 | 163 | $29.41 | $5,706 |
| 17003 Destruction Skin Lesion | Facility | 114 | 19 | $1.77 | $202 |
| 88323 Surgical Pathology Examination | Facility | 78 | 74 | $74.84 | $5,837 |
| 88321 Surgical Pathology Examination | Facility | 77 | 76 | $69.23 | $5,331 |
| 88312 Surgical Pathology Examination | Facility | 66 | 38 | $22.51 | $1,486 |
| 88360 Immunohistochemistry | Facility | 51 | 34 | $35.12 | $1,791 |
| 88313 Surgical Pathology Examination | Facility | 48 | 39 | $9.31 | $447 |
| 99213 Office E&M - Established | Facility | 36 | 32 | $56.49 | $2,033 |
| 17000 Destruction Skin Lesion | Facility | 36 | 29 | $49.43 | $1,780 |
| 11104 Skin Biopsy | Facility | 35 | 30 | $39.54 | $1,384 |
| 99204 Office E&M - New | Facility | 33 | 33 | $110.78 | $3,656 |
| 99214 Office E&M - Established | Office | 14 | 12 | $103.36 | $1,447 |
By year: 2022 $58K for 1,314 services; 2023 $70K for 1,771 services; 2024 $85K for 2,098 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 88341 Immunohistochemistry | 592 | 143 | $23.66 | $14K |
| 88305 Surgical Pathology Examination | 336 | 238 | $30.67 | $10K |
| 88342 Immunohistochemistry | 194 | 163 | $29.41 | $5,706 |
| 88323 Surgical Pathology Examination | 78 | 74 | $74.84 | $5,837 |
| 88321 Surgical Pathology Examination | 77 | 76 | $69.23 | $5,331 |
| 88312 Surgical Pathology Examination | 66 | 38 | $22.51 | $1,486 |
| 88360 Immunohistochemistry | 51 | 34 | $35.12 | $1,791 |
| 88313 Surgical Pathology Examination | 48 | 39 | $9.31 | $447 |
Medicare prescription drug claims, 2024
In 2024, the drug Christiane Querfeld prescribed most often to Medicare patients was Triamcinolone Acetonide, with 29 prescriptions and refills. In total Christiane Querfeld wrote 236 Medicare prescriptions that cost $721K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Triamcinolone Acetonide Generic | 29 | 40 | 16 | $536 |
| Valchlor Mechlorethamine Hcl | 23 | 23 | Under 11 | $213K |
| Clobetasol Propionate Generic | 22 | 30 | 11 | $1,015 |
| Pegasys Peginterferon Alfa-2a | 21 | 21 | Under 11 | $94K |
| Fluocinonide Generic | 19 | 23 | Under 11 | $1,002 |
| Hydrocortisone Generic | 15 | 20 | 11 | $61.41 |
| Bexarotene Generic | 14 | 14 | Under 11 | $78K |
| Methotrexate Methotrexate Sodium | 12 | 18 | Under 11 | $312 |
Brand drugs: - claims; generic drugs: 165 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Christiane Querfeld $17K ($17K in general payments such as food, travel and fees) from 9 companies. The largest payer was Helsinn Healthcare SA with $6,399.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.