NPPES file of Aug 9, 2026

Mary Bull Seterdahl, FNP

Family Nurse Practitioner · Greenfield, MA

Mary Bull Seterdahl, FNP is a family nurse practitioner with a practice address in Greenfield, Massachusetts, and NPI 1578227492, issued on Oct 27, 2021. Check the license (Massachusetts RN2291170, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578227492
Name
Mary Bull Seterdahl
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2291170 MA
Self-reported in NPPES; status is on the state search
Practice location
329 Conway St, Greenfield, MA 01301
Phone
(413) 774-6301
Enumerated
Oct 27, 2021
Record last updated
Feb 4, 2025
Fax
(866) 644-0871
Medicare enrollment
Enrolled (PECOS I20220302001726); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 329 Conway St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Allen, M.D.Family Medicine Physician1285633198
  2. John Anderson, ED.D.Clinical Psychologist1871678136
  3. Lisa Appleton, NPNurse Practitioner1831219609
  4. Marie Bartlett, MSWClinical Social Worker1790815306
  5. Barbara Berthiaume, APRNFamily Nurse Practitioner1053736629
  6. Jessica Biggie, MDFamily Medicine Physician1689649584

Verify Mary Bull Seterdahl in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2291170
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4.3 times the Medicare Part D claims of the average family nurse practitioner in 2024

5,576 Medicare Part D claims for 582 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 162 claims were for opioids.

  1. Mary Seterdahl5,576
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium361 claims
  2. Lisinopril314 claims
  3. Levothyroxine Sodium295 claims
  4. Amlodipine Besylate216 claims
  5. Hydrochlorothiazide205 claims
  6. Omeprazole203 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.

Bills Medicare through one group practice

  1. Valley Medical Group PCGreenfield, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Bull Seterdahl among 4,724 family nurse practitioner records in Massachusetts

Mary Bull Seterdahl, FNP is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.

  • NPI issued2021 · 67% of these records are older, 28% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2021 · median 2019 among the 2,704 with a school on file
  • Record last updated2025 · 42% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

37 family nurse practitioner records list a practice address in Greenfield

They are 37 of the 1,251 NPPES records with a practice address in Greenfield, and 4,724 family nurse practitioner records in Massachusetts.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Justyna Arcoleo, FNP/DNPGreenfield, MA 013011316215312
  2. Kathryn Aubry-McAvoy, NPGreenfield, MA 013011912130642
  3. Katie Costa, NPGreenfield, MA 013011083961684
  4. Rachel Katz, NPGreenfield, MA 013011194997684
  5. Wm Levine, FNPGreenfield, MA 013011407826712
  6. Yvonne Looman, NPGreenfield, MA 013011447513825
  7. Lisa Miller, FNPGreenfield, MA 013011932171329
  8. Cheryl Pascucci, NPGreenfield, MA 013011255315073

Common questions

What is Mary Bull Seterdahl, FNP's NPI number?

Mary Bull Seterdahl, FNP's National Provider Identifier (NPI) is 1578227492, issued on Oct 27, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mary Bull Seterdahl, FNP located?

The NPPES record lists a practice address at 329 Conway St, Greenfield, MA, 01301. Phone: (413) 774-6301. Providers update this record themselves, so call before visiting.

How can I verify Mary Bull Seterdahl, FNP's license?

NPPES lists Massachusetts license number RN2291170, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Bull Seterdahl, FNP prescribe under Medicare Part D?

In 2024, Mary Bull Seterdahl, FNP had 5,576 Medicare Part D claims for 582 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

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.