Mary Ann Pasternacki, RN, FNP-C
Family Nurse Practitioner · Flagstaff, AZ
Mary Ann Pasternacki, RN, FNP-C is a family nurse practitioner with a practice address in Flagstaff, Arizona, and NPI 1275690331, issued on Jan 1, 2007. Check the license (Arizona AZ0647, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Pasternacki
- Credential
- RN, FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AZ0647 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1016 W University Ave, Flagstaff, AZ 86001
- Phone
- (928) 266-1530
- Enumerated
- Jan 1, 2007
- Record last updated
- Oct 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (928) 266-1531
- Medicare enrollment
- Enrolled (PECOS I20050103000211); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 1016 W University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Ann Pasternacki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license AZ0647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% more Medicare Part D claims than the average family nurse practitioner in 2024
1,793 Medicare Part D claims for 157 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium132 claims
- Atorvastatin Calcium107 claims
- Lisinopril73 claims
- Pravastatin Sodium68 claims
- Rosuvastatin Calcium68 claims
- Losartan Potassium63 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 72.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $975.48
46 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mary Ann Pasternacki among 5,933 family nurse practitioner records in Arizona
Mary Ann Pasternacki, RN, FNP-C is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 9% of them.
- NPI issued2007 · 9% of these records are older, 88% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1997 · median 2019 among the 3,510 with a school on file
- Record last updated2016 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 family nurse practitioner records list a practice address in Flagstaff
They are 80 of the 2,419 NPPES records with a practice address in Flagstaff, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Flagstaff → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Gretchen Alsip Vollbrecht, ARNPFlagstaff, AZ 860011629176052
- Susann Clinton, FNPFlagstaff, AZ 860011861544744
- Theresa Dowell, P.T.Flagstaff, AZ 860011417082553
- Denise Gomolak, N.P.Flagstaff, AZ 860011881705804
- Dee Ann Kaserer, FNPFlagstaff, AZ 860011275605982
- Beth Kennedy, NPFlagstaff, AZ 860011669544383
- Sherry Mace, FNPFlagstaff, AZ 860011033237904
- Jayne Pratt, ARNP-BCFlagstaff, AZ 860011669495206
Common questions
What is Mary Ann Pasternacki, RN, FNP-C's NPI number?
Mary Ann Pasternacki, RN, FNP-C's National Provider Identifier (NPI) is 1275690331, issued on Jan 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Pasternacki, RN, FNP-C located?
The NPPES record lists a practice address at 1016 W University Ave, Flagstaff, AZ, 86001. Phone: (928) 266-1530. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Pasternacki, RN, FNP-C's license?
NPPES lists Arizona license number AZ0647, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Ann Pasternacki, RN, FNP-C prescribe under Medicare Part D?
In 2024, Mary Ann Pasternacki, RN, FNP-C had 1,793 Medicare Part D claims for 157 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Mary Ann Pasternacki, RN, FNP-C's MIPS final score?
The 2023 MIPS final score is 72.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.