Marilizabeth Birk, PMHNP-BC, RN, BA
NPI 1306453220 · Psychiatric/Mental Health Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilizabeth Birk, PMHNP-BC, RN, BA is a Psychiatric/Mental Health Nurse Practitioner provider in Phoenix, AZ (NPI 1306453220).
Provider details
- NPI number
- 1306453220
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC, RN, BA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 236418 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service 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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 119 | 26 |
| Buspirone Hcl | 87 | 13 |
| Quetiapine Fumarate | 86 | 14 |
| Clonidine Hcl | 81 | 17 |
| Gabapentin | 75 | 13 |
| Fluoxetine Hcl | 75 | 15 |
| Duloxetine Hcl | 67 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,221 across 115 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)
- 16042 N 32nd St Ste C4cPhoenix, AZ 85032-0027Phone: (480) 300-4761Fax: (833) 948-3542
Registry dates
- Enumerated
- 2020-09-24
- Last updated
- 2025-05-02
- Certified
- 2025-05-02
Frequently asked questions
- What is Marilizabeth Birk's NPI number?
- Marilizabeth Birk's National Provider Identifier (NPI) is 1306453220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilizabeth Birk's specialty?
- Marilizabeth Birk is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marilizabeth Birk located?
- Marilizabeth Birk's practice location on file with NPPES is 3864 N 27th Ave, Phoenix, AZ 85017-4703.
- What is Marilizabeth Birk's phone number?
- The practice phone number listed in the NPPES registry for Marilizabeth Birk is (602) 797-7000.
- Does Marilizabeth Birk accept Medicare?
- Marilizabeth Birk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marilizabeth Birk's NPI active?
- Yes — Marilizabeth Birk's NPI (1306453220) is active in the NPPES registry as of the last update on 2025-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.