Mara Zello, FNP
NPI 1619640091 · Family Nurse Practitioner · Bozeman, MT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mara Zello, FNP is a Family Nurse Practitioner provider in Bozeman, MT (NPI 1619640091).
Provider details
- NPI number
- 1619640091
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- NUR-APRN-LIC-175734 (MT)
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 tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
511 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 211 | $37 |
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 99 | $46 |
| Removal of Noncancer Thickened Skin Growth, 1 Growth11055 | 93 | $58 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 43 | $58 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 24 | $99 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14,988 across 33 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
- 2021-07-30
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Frequently asked questions
- What is Mara Zello's NPI number?
- Mara Zello's National Provider Identifier (NPI) is 1619640091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mara Zello's specialty?
- Mara Zello is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mara Zello located?
- Mara Zello's practice location on file with NPPES is 935 Highland Blvd Ste 2180, Bozeman, MT 59715-6904.
- What is Mara Zello's phone number?
- The practice phone number listed in the NPPES registry for Mara Zello is (406) 414-5512.
- Does Mara Zello accept Medicare?
- Mara Zello is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mara Zello's NPI active?
- Yes — Mara Zello's NPI (1619640091) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.