Mary Warren, APRN
NPI 1124002415 · Psychiatric/Mental Health Nurse Practitioner · Nashua, NH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Warren, APRN is a Psychiatric/Mental Health Nurse Practitioner provider in Nashua, NH (NPI 1124002415).
Provider details
- NPI number
- 1124002415
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 027571-23-08 (NH)
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 tenure38% of score
20 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 34 |
| Trazodone Hcl | 20 |
| Fluoxetine Hcl | 17 |
| Aripiprazole | 15 |
| Dextroamphetamine/Amphetaminebrand: Adderall Xr | 15 |
| Lamotrigine | 13 |
| Bupropion Hclbrand: Bupropion Xl | 12 |
| Dextroamphetamine/Amphetamine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-01
- Last updated
- 2024-02-23
- Certified
- 2024-02-23
Frequently asked questions
- What is Mary Warren's NPI number?
- Mary Warren's National Provider Identifier (NPI) is 1124002415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Warren's specialty?
- Mary Warren is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Warren located?
- Mary Warren's practice location on file with NPPES is 5 Pine Street Ext, Nashua, NH 03060-3213.
- What is Mary Warren's phone number?
- The practice phone number listed in the NPPES registry for Mary Warren is (603) 886-4800.
- Does Mary Warren accept Medicare?
- Mary Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Warren's NPI active?
- Yes — Mary Warren's NPI (1124002415) is active in the NPPES registry as of the last update on 2024-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.