W Kiernan O'Callaghan practises internal medicine in Santa Barbara, CA. W is a 1971 graduate of Georgetown University School of Medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. O'Callaghan is an internal medicine in Santa Barbara, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Dr. O'Callaghan is listed at 51 HITCHCOCK WAY, Santa Barbara, CA 93105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (805) 681-1761. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. O'Callaghan's National Provider Identifier is 1932294816. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. O'Callaghan attended Georgetown University School of Medicine, graduating in 1971. This comes from the CMS National Downloadable File.
CMS public data
Dr. O'Callaghan has 55 years experience. Calculated from a graduation year of 1971, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. O'Callaghan performs procedures including removal of impacted ear wax by washing; provides treatments such as injection of drug or substance under skin or into muscle and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Callaghan. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
51 HITCHCOCK WAY
Santa Barbara, CA 93105
882 services · 733 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of impacted ear wax by washing | Procedure | 69209 |
15 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
34 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
21 |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
121 |
| Injection, ketorolac tromethamine, per 15 mg | Drug given | J1885 |
37 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
218 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
82 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
65 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
49 |
| Automated white blood cell count | Lab test | 85048 |
42 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.