Doctor profile · Federal record
Dr. William Koonce, MD
Internal Medicine Physician (CMS: Internal Medicine) · Santa Barbara, CA
- NPI 1124010095
- MIPS 92.8 / 100 · 2023
- 41 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
219 Nogales Ave, Ste B
Santa Barbara, CA 931053848
(805) 682-7200
fax (805) 682-3278
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- September 9, 2010
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G58414
- Medicaid
- CA #1124010095
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124010095. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,767
Distinct HCPCS
10
Medicare allowed
$327,152
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,331 | 333 | $130 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 281 | 89 | $118 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 243 | 219 | $182 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 175 | 175 | $132 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 113 | 31 | $74 | |
17003 |
Destruction of precancer skin growth, 2-14 growths | 107 | 15 | $7 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 88 | 79 | $15 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 70 | 63 | $172 | |
99239 |
Hospital discharge day management, more than 30 minutes | 62 | 50 | $114 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 49 | 39 | $132 |
In context: peer comparison
Among 43 peers in Santa Barbara Internal Medicine Physician, average services per provider: 271. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$1,055
Transactions
52
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 29 | $455.04 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 4 | $130.15 | |
| Pfizer INC. | 4 | $108.92 | |
| Mitsubishi Tanabe Pharma America, INC. | 3 | $65.02 | |
| Lundbeck LLC | 2 | $60.07 | |
| GlaxoSmithKline, LLC. | 2 | $50.63 | |
| Smith+Nephew, INC. | 1 | $31.19 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $29.10 | |
| Exact Sciences Corporation | 1 | $25.36 | |
| Novartis Pharmaceuticals Corporation | 1 | $24.98 | |
| Lilly USA, LLC | 1 | $21.87 | |
| Merck Sharp & Dohme LLC | 1 | $19.62 | |
| Alnylam Pharmaceuticals INC. | 1 | $18.33 | |
| Abbvie INC. | 1 | $14.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,474
Patients
721
Total drug cost
$204,395
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 451 | 106 | $7,626 |
| Atorvastatin Calcium | Generic | 443 | 103 | $4,369 |
| Losartan Potassium | Generic | 424 | 92 | $3,978 |
| Escitalopram Oxalate | Generic | 262 | 42 | $3,774 |
| Eliquis (Apixaban) | Brand | 234 | 29 | $156,226 |
| Gabapentin | Generic | 233 | 40 | $5,938 |
| Metoprolol Succinate | Generic | 219 | 43 | $3,353 |
| Lisinopril | Generic | 213 | 50 | $1,896 |
| Tamsulosin Hcl | Generic | 155 | 34 | $2,593 |
| Amlodipine Besylate | Generic | 153 | 39 | $1,317 |
Frequently asked questions
What is Dr. William Koonce's medical specialty?
Dr. William Koonce practices Internal Medicine Physician in Santa Barbara, CA.
Where does Dr. William Koonce practice?
Dr. William Koonce practices at 219 Nogales Ave, Santa Barbara, CA 931053848. Office phone: 8056827200.
What is Dr. William Koonce's NPI?
Dr. William Koonce's National Provider Identifier (NPI) is 1124010095, issued by NPPES.
Does Dr. William Koonce accept Medicare assignment?
Dr. William Koonce does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Koonce commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.