Mary Jean O'Connor, N.P.
NPI 1871515601 · Nurse Practitioner · Laguna Beach, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Jean O'Connor, N.P. is a Nurse Practitioner provider in Laguna Beach, CA (NPI 1871515601).
Provider details
- NPI number
- 1871515601
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 7588 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
850 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 294 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 200 | $84 |
| Urinalysis, Manual Test81002 | 61 | $3 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 60 | $13 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 50 | $13 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 76 | 29 |
| Rosuvastatin Calcium | 68 | 27 |
| Levothyroxine Sodium | 53 | 26 |
| Atorvastatin Calcium | 48 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 47 | 39 |
| Losartan Potassium | 39 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$51 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 5700 Canoga AveSuite 500Woodland Hills, CA 91367-6579Phone: (818) 595-8100Fax: (818) 595-8206
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2019-03-14
Frequently asked questions
- What is Mary Jean O'Connor's NPI number?
- Mary Jean O'Connor's National Provider Identifier (NPI) is 1871515601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Jean O'Connor's specialty?
- Mary Jean O'Connor is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Jean O'Connor located?
- Mary Jean O'Connor's practice location on file with NPPES is 364 Ocean Ave, Laguna Beach, CA 92651-2322.
- What is Mary Jean O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Mary Jean O'Connor is (949) 557-0610.
- Does Mary Jean O'Connor accept Medicare?
- Mary Jean O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Jean O'Connor's NPI active?
- Yes — Mary Jean O'Connor's NPI (1871515601) is active in the NPPES registry as of the last update on 2019-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.