Trisha Overvaag
NPI 1215546155 · Psychiatric/Mental Health Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trisha Overvaag is a Psychiatric/Mental Health Nurse Practitioner provider in Phoenix, AZ (NPI 1215546155).
Provider details
- NPI number
- 1215546155
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 244751 (AZ)
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 tenure33% of score
5 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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 70 | 14 |
| Lamotrigine | 52 | — |
| Gabapentin | 45 | — |
| Trazodone Hcl | 43 | 11 |
| Lorazepam | 35 | — |
| Sertraline Hcl | 30 | — |
| Hydroxyzine Pamoate | 29 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$88 across 4 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)
- 14811 W Bell Rd Ste 102Surprise, AZ 85374-7602Phone: (623) 328-7323
Registry dates
- Enumerated
- 2020-07-27
- Last updated
- 2023-12-12
- Certified
- 2023-12-12
Frequently asked questions
- What is Trisha Overvaag's NPI number?
- Trisha Overvaag's National Provider Identifier (NPI) is 1215546155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trisha Overvaag's specialty?
- Trisha Overvaag is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Trisha Overvaag located?
- Trisha Overvaag's practice location on file with NPPES is 610 E Baseline Rd Ste 5, Phoenix, AZ 85042-6536.
- What is Trisha Overvaag's phone number?
- The practice phone number listed in the NPPES registry for Trisha Overvaag is (602) 230-7373.
- Does Trisha Overvaag accept Medicare?
- Trisha Overvaag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trisha Overvaag's NPI active?
- Yes — Trisha Overvaag's NPI (1215546155) is active in the NPPES registry as of the last update on 2023-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.