Internal Medicine · Santa Barbara, CA
NPI
1124010095
Since 2005
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
219 Nogales Ave, Ste B
Santa Barbara, CA, 93105
Phone (805) 682-7200
Groups this clinician bills Medicare through
Medicare paid, 2024
$397K
7,810 services
Medicare patients, 2024
571
Average age 82
Drug cost, 2024
$944K
8,873 prescriptions
Company payments, 2025
$1,024
From 14 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by William C Koonce was code 99214 (office e&m - established), 1,437 times for 360 patients. In total William C Koonce billed 7,810 services in 61 codes, and Medicare paid $397K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2010-09-09.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 1,437 | 360 | $95.93 | $138K |
| 99212 Office E&M - Established | Office | 751 | 89 | $46.52 | $35K |
| 99233 Hospital E&M - Subsequent | Facility | 415 | 98 | $90.88 | $38K |
| 36415 Venipuncture Blood Collection | Office | 288 | 127 | $6.77 | $1,949 |
| 99215 Office E&M - Established | Office | 273 | 250 | $130.38 | $36K |
| 97597 Debridement | Office | 252 | 36 | $85.47 | $22K |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 206 | 206 | $130.60 | $27K |
| 99308 SNF E&M | Facility | 187 | 46 | $56.39 | $11K |
| 99211 Office E&M - Established | Office | 128 | 52 | $19.65 | $2,515 |
| 93000 Electrocardiogram | Office | 121 | 106 | $10.61 | $1,284 |
| 99347 Home E&M - New and Established | Office | 114 | 69 | $35.58 | $4,056 |
| 99223 Hospital E&M - Initial | Facility | 84 | 68 | $132.85 | $11K |
| 99239 Hospital Discharge Management | Facility | 78 | 55 | $88.70 | $6,919 |
| 96372 Injection Administration | Office | 72 | 23 | $11.86 | $854 |
| 87426 Immunoassay | Office | 58 | 48 | $34.62 | $2,008 |
By year: 2022 $262K for 2,944 services; 2023 $259K for 2,871 services; 2024 $397K for 7,810 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 288 | 127 | $6.77 | $1,949 |
| 87426 Immunoassay | 58 | 48 | $34.62 | $2,008 |
Medicare prescription drug claims, 2024
In 2024, the drug William C Koonce prescribed most often to Medicare patients was Atorvastatin Calcium, with 512 prescriptions and refills. In total William C Koonce wrote 8,873 Medicare prescriptions that cost $944K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 512 | 1,080 | 114 | $5,021 |
| Levothyroxine Sodium Generic | 465 | 1,016 | 104 | $6,211 |
| Losartan Potassium Generic | 442 | 872 | 85 | $4,380 |
| Escitalopram Oxalate Generic | 253 | 345 | 42 | $4,255 |
| Gabapentin Generic | 251 | 331 | 40 | $4,431 |
| Eliquis Apixaban | 232 | 305 | 34 | $162K |
| Metoprolol Succinate Generic | 222 | 413 | 50 | $3,889 |
| Lisinopril Generic | 189 | 437 | 44 | $2,231 |
| Rosuvastatin Calcium Generic | 170 | 438 | 43 | $2,846 |
| Xarelto Rivaroxaban | 154 | 192 | 18 | $92K |
| Amlodipine Besylate Generic | 153 | 312 | 36 | $1,268 |
| Tamsulosin Hcl Generic | 150 | 262 | 33 | $2,313 |
| Pantoprazole Sodium Generic | 148 | 195 | 25 | $3,656 |
| Donepezil Hcl Generic | 137 | 200 | 25 | $2,431 |
| Trazodone Hcl Generic | 132 | 216 | 30 | $1,151 |
Brand drugs: 1,412 claims; generic drugs: 7,443 claims; opioid claims: 230.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid William C Koonce $1,024 ($1,024 in general payments such as food, travel and fees) from 14 companies. The largest payer was Amgen Inc. with $251.
| Company | Payments | Amount |
|---|---|---|
| Amgen Inc. AMGN | 20 | $251 |
| Harmony Biosciences LLC HRMY | 3 | $125 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 4 | $119 |
| Pfizer Inc. PFE | 4 | $87.71 |
| Abbvie Inc. ABBV | 3 | $69.8 |
| Eisai Inc. 4523.T | 2 | $57.15 |
| Esperion Therapeutics, Inc. ESPR | 3 | $56.37 |
| Lilly USA, LLC LLY | 2 | $50.93 |
| Insmed, Inc. INSM | 2 | $47.52 |
| AstraZeneca Pharmaceuticals LP AZN | 2 | $46.98 |
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.