Margaret Mcilroy, DNP APRN CNM PMHNP
NPI 1033444161 · Psychiatric/Mental Health Nurse Practitioner · Lancaster, CA
Margaret Mcilroy, DNP APRN CNM PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Lancaster, CA (NPI 1033444161).
Provider details
- NPI number
- 1033444161
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP APRN CNM PMHNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- NM1446 (CA)
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 tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clonazepam | 41 |
| Bupropion Hclbrand: Bupropion Xl | 36 |
| Escitalopram Oxalate | 33 |
| Trazodone Hcl | 33 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 32 |
| Alprazolam | 31 |
| Mirtazapine | 30 |
| Lorazepam | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-10-07
- Last updated
- 2018-08-21
Frequently asked questions
- What is Margaret Mcilroy's NPI number?
- Margaret Mcilroy's National Provider Identifier (NPI) is 1033444161, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mcilroy's specialty?
- Margaret Mcilroy is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Mcilroy located?
- Margaret Mcilroy's practice location on file with NPPES is 506 W Jackman St, Lancaster, CA 93534.
- What is Margaret Mcilroy's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mcilroy is (661) 726-2850.
- Is Margaret Mcilroy's NPI active?
- Yes — Margaret Mcilroy's NPI (1033444161) is active in the NPPES registry as of the last update on 2018-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.