Doctor profile · Federal record
Dr. W O'Callaghan
Internal Medicine Physician (CMS: Internal Medicine) · Santa Barbara, CA
- NPI 1932294816
- Accepts Medicare
- 55 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
51 Hitchcock Way
Santa Barbara, CA 931053101
(805) 681-1761
fax (805) 681-1768 - Mailing address
-
Po Box 62106
Santa Barbara, CA 931602106
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- November 28, 2012
- Year of graduation
- 1971 — 55 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G23727
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932294816. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
781
Distinct HCPCS
10
Medicare allowed
$50,985
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 178 | 171 | $97 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 90 | 87 | $137 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 60 | 60 | $50 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 59 | 59 | $120 | |
85048 |
Automated white blood cell count | 50 | 48 | $2 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 48 | 46 | $3 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 44 | 43 | $26 | |
J1885 |
Injection, ketorolac tromethamine, per 15 mg | 31 | 14 | $1 | |
96372 |
Injection of drug or substance under skin or into muscle | 29 | 27 | $15 | |
80047 |
Blood test, basic group of blood chemicals (calcium, ionized) | 27 | 27 | $13 |
In context: peer comparison
Among 43 peers in Santa Barbara Internal Medicine Physician, average services per provider: 271. This provider delivers 2.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
295
Patients
283
Total drug cost
$2,252
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 69 | 68 | $158 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 46 | 46 | $462 |
| Cephalexin | Generic | 38 | 36 | $311 |
| Azithromycin | Generic | 28 | 28 | $153 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 25 | 25 | $416 |
| Fluticasone Propionate | Generic | 19 | 11 | $166 |
| Doxycycline Hyclate | Generic | 17 | 16 | $168 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 15 | 15 | $81 |
| Ciprofloxacin Hcl | Generic | 13 | 13 | $143 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 13 | 13 | $137 |
Frequently asked questions
What is Dr. W O'Callaghan's medical specialty?
Dr. W O'Callaghan practices Internal Medicine Physician in Santa Barbara, CA.
Where does Dr. W O'Callaghan practice?
Dr. W O'Callaghan practices at 51 Hitchcock Way, Santa Barbara, CA 931053101. Office phone: 8056811761.
What is Dr. W O'Callaghan's NPI?
Dr. W O'Callaghan's National Provider Identifier (NPI) is 1932294816, issued by NPPES.
Does Dr. W O'Callaghan accept Medicare assignment?
Yes. Dr. W O'Callaghan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. W O'Callaghan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (HCPCS 87635). Source: CMS Medicare Physician & Other Practitioners file.