Marisa Zenas
NPI 1447893912 · Physician Assistant · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marisa Zenas is a Physician Assistant provider in Ann Arbor, MI (NPI 1447893912).
Provider details
- NPI number
- 1447893912
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
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
6 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Aripiprazole | 101 | 15 |
| Hydroxyzine Hcl | 69 | 17 |
| Quetiapine Fumarate | 64 | — |
| Sertraline Hcl | 52 | — |
| Mirtazapine | 49 | — |
| Trazodone Hcl | 47 | — |
| Duloxetine Hcl | 45 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$420 across 21 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
Registry dates
- Enumerated
- 2019-10-28
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Marisa Zenas's NPI number?
- Marisa Zenas's National Provider Identifier (NPI) is 1447893912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marisa Zenas's specialty?
- Marisa Zenas is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marisa Zenas located?
- Marisa Zenas's practice location on file with NPPES is 3200 W Liberty Rd Ste F1, Ann Arbor, MI 48103-9746.
- What is Marisa Zenas's phone number?
- The practice phone number listed in the NPPES registry for Marisa Zenas is (734) 780-7080.
- Does Marisa Zenas accept Medicare?
- Marisa Zenas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marisa Zenas's NPI active?
- Yes — Marisa Zenas's NPI (1447893912) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.