Mary Pasternacki, RN, FNP-C
NPI 1275690331 · Family Nurse Practitioner · Flagstaff, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Pasternacki, RN, FNP-C is a Family Nurse Practitioner provider in Flagstaff, AZ (NPI 1275690331).
Provider details
- NPI number
- 1275690331
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- AZ0647 (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 tenure25% of score
19 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
1,131 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 270 | $106 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 204 | $14 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 186 | $5 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 109 | $16 |
| Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 MinutesG0446 | 108 | $21 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 132 | 36 |
| Atorvastatin Calcium | 107 | 30 |
| Lisinopril | 73 | 18 |
| Rosuvastatin Calcium | 68 | 21 |
| Pravastatin Sodium | 68 | 26 |
| Losartan Potassium | 63 | 22 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$975 across 46 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
- 2007-01-01
- Last updated
- 2016-10-02
Frequently asked questions
- What is Mary Pasternacki's NPI number?
- Mary Pasternacki's National Provider Identifier (NPI) is 1275690331, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Pasternacki's specialty?
- Mary Pasternacki is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Pasternacki located?
- Mary Pasternacki's practice location on file with NPPES is 1016 W University Ave, Flagstaff, AZ 86001-2994.
- What is Mary Pasternacki's phone number?
- The practice phone number listed in the NPPES registry for Mary Pasternacki is (928) 266-1530.
- Does Mary Pasternacki accept Medicare?
- Mary Pasternacki is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Pasternacki's NPI active?
- Yes — Mary Pasternacki's NPI (1275690331) is active in the NPPES registry as of the last update on 2016-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.