Michael O'Connor, PCNS
NPI 1881736338 · Psychiatric/Mental Health Nurse Practitioner · Santa Cruz, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael O'Connor, PCNS is a Psychiatric/Mental Health Nurse Practitioner provider in Santa Cruz, CA (NPI 1881736338).
Provider details
- NPI number
- 1881736338
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PCNS
- Sex
- Male
- Sole proprietor
- No
- License
- RN230451 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
155 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 108 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $117 |
Typical Medicare-allowed amounts for these services range $85–$117 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 96 | 17 |
| Trazodone Hcl | 82 | 15 |
| Aripiprazole | 75 | 13 |
| Quetiapine Fumarate | 72 | 12 |
| Duloxetine Hcl | 66 | 12 |
| Bupropion Hclbrand: Bupropion Hcl Sr | 55 | 12 |
| Lamotrigine |
Practice location
Mailing address
Additional practice locations (2)
- 2025 Soquel AveSanta Cruz, CA 95062Phone: (831) 423-4111
- 115a Coral StSanta Cruz, CA 95060-2131Phone: (831) 454-2080
Registry dates
- Enumerated
- 2007-02-13
- Last updated
- 2023-09-26
- Certified
- 2023-09-26
Frequently asked questions
- What is Michael O'Connor's NPI number?
- Michael O'Connor's National Provider Identifier (NPI) is 1881736338, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael O'Connor's specialty?
- Michael O'Connor is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael O'Connor located?
- Michael O'Connor's practice location on file with NPPES is 1080 Emeline Ave, Santa Cruz, CA 95060-1966.
- What is Michael O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Michael O'Connor is (831) 454-4100.
- Does Michael O'Connor accept Medicare?
- Michael 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 Michael O'Connor's NPI active?
- Yes — Michael O'Connor's NPI (1881736338) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.