Harold O'Brien, APRN
NPI 1003127358 · Psychiatric/Mental Health Nurse Practitioner · Louisville, KY
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold O'Brien, APRN is a Psychiatric/Mental Health Nurse Practitioner provider in Louisville, KY (NPI 1003127358).
Provider details
- NPI number
- 1003127358
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Male
- Sole proprietor
- No
- License
- 71003264A (IN)
Specialties & taxonomies
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 tenure33% of score
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 65 | — |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 39 | — |
| Lorazepam | 36 | — |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 34 | 16 |
| Clonazepam | 33 | — |
| Bupropion Hclbrand: Bupropion Xl | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,144 across 160 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)
- 4925 Charlestown RdNew Albany, IN 47150-9426Phone: (812) 941-9200Fax: (812) 941-9205
Registry dates
- Enumerated
- 2010-07-01
- Last updated
- 2022-07-21
Frequently asked questions
- What is Harold O'Brien's NPI number?
- Harold O'Brien's National Provider Identifier (NPI) is 1003127358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold O'Brien's specialty?
- Harold O'Brien is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Harold O'Brien located?
- Harold O'Brien's practice location on file with NPPES is 1357 Bardstown Rd, Louisville, KY 40204-1353.
- What is Harold O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Harold O'Brien is (502) 897-6443.
- Does Harold O'Brien accept Medicare?
- Harold O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold O'Brien's NPI active?
- Yes — Harold O'Brien's NPI (1003127358) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.