Provider Profile
Caoilfhionn M. O'Connor, DNP
Unclaimed ProfileAbout Dr. O'connor
Caoilfhionn M. O'Connor, DNP is a nurse practitioner practicing in La Jolla, CA. Caoilfhionn is also listed as specializing in nurse practitioner — family. According to Medicare claims data, Caoilfhionn cared for 105 Medicare patients across 147 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, biopsy and aspiration of bone marrow sample for diagnosis, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. This provider record is associated with NPI 1184386864.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (858) 822-6100
- Email not available
Practice Locations
3855 HEALTH SCIENCES DR
La Jolla, CA 92093
200 W Arbor Dr
San Diego, CA 92103
Procedures Most Often Billed to Medicare
147 services · 105 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy and aspiration of bone marrow sample for diagnosis | Procedure | 38222 |
41 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
68 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
38 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other nurse practitioners in La Jolla 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy and aspiration of bone marrow sample for diagnosis 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Caoilfhionn M. O'Connor specialize in?
Caoilfhionn M. O'Connor is a nurse practitioner in La Jolla, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Caoilfhionn M. O'Connor located?
Caoilfhionn M. O'Connor is listed at 3855 Health Sciences Dr, La Jolla, CA 92093. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Caoilfhionn M. O'Connor's phone number?
The number on file is (858) 822-6100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Caoilfhionn M. O'Connor's NPI number?
Caoilfhionn M. O'Connor's National Provider Identifier is 1184386864. 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
Where did Caoilfhionn M. O'Connor train?
Caoilfhionn M. O'Connor attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Caoilfhionn M. O'Connor been practicing?
Caoilfhionn M. O'Connor has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Caoilfhionn M. O'Connor do most often?
According to Medicare billing data, Caoilfhionn M. O'Connor performs procedures including biopsy and aspiration of bone marrow sample for diagnosis, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Caoilfhionn M. O'Connor confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Caoilfhionn M. O'Connor. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.