NPPES file of Aug 9, 2026

Catherine R. Dudley, PA-C

Medical Physician Assistant · Springfield, MA

Catherine R. Dudley, PA-C is a medical physician assistant with a practice address in Springfield, Massachusetts, and NPI 1508006750, issued on Mar 1, 2009. Check the license (Massachusetts 4034, 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
1508006750
Name
Catherine R. Dudley
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
4034 MA
Self-reported in NPPES; status is on the state search
Practice location
759 Chestnut Street, Springfield, MA 01199
Phone
(413) 794-3233
Enumerated
Mar 1, 2009
Record last updated
Apr 13, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210220000023); 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 759 Chestnut Street

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

  1. Aroosa Alam, MDHospitalist Physician1700023827
  2. Sandra Bellantonio, MDGeriatric Medicine (Internal Medicine) Physician1437245206
  3. Christine Bryson, DOHospitalist Physician1609851914
  4. Gavin Budhram, MDEmergency Medicine Physician1851596134
  5. Matthew Collins, MDStudent in an Organized Health Care Education/Training Program1922484476
  6. Heidi-Ann Courtney, PAMedical Physician Assistant1750316873

Verify Catherine R. Dudley 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 4034
    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

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80% fewer Medicare Part D claims than the average medical physician assistant in 2024

235 Medicare Part D claims for 164 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Catherine Dudley235
  2. Specialty average1,148

Most prescribed

  1. Cephalexin38 claims
  2. Doxycycline Monohydrate25 claims
  3. Amoxicillin-Clavulanate Potass21 claims
  4. Prednisone15 claims
  5. Oxycodone Hcl13 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. Springfield Medical Care Systems IncLudlow, VT

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

Catherine R. Dudley among 886 medical physician assistant records in Massachusetts

Catherine R. Dudley, PA-C is one of 886 medical physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 35% of them.

  • NPI issued2009 · 35% of these records are older, 61% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2008 · median 2015 among the 559 with a school on file
  • Record last updated2011 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

182 medical physician assistant records list a practice address in Springfield

They are 182 of the 8,553 NPPES records with a practice address in Springfield, and 886 medical physician assistant records in Massachusetts.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Suzanne Arnopolin, PA-CSpringfield, MA 011991306952718
  2. Stephen Burgess, PA-CSpringfield, MA 011991053412106
  3. Heidi-Ann Courtney, PASpringfield, MA 011991750316873
  4. Patricia Dauley, PA-CSpringfield, MA 011991578533501
  5. Louis Favata, PA-CSpringfield, MA 011991518947159
  6. Rebecca Fisher, PA-CSpringfield, MA 011991881601516
  7. Bethany Foster, PA-CSpringfield, MA 011991851377964
  8. Annemarie Legrand, PA-CSpringfield, MA 011991215037767

Common questions

What is Catherine R. Dudley, PA-C's NPI number?

Catherine R. Dudley, PA-C's National Provider Identifier (NPI) is 1508006750, issued on Mar 1, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Catherine R. Dudley, PA-C located?

The NPPES record lists a practice address at 759 Chestnut Street, Springfield, MA, 01199. Phone: (413) 794-3233. Providers update this record themselves, so call before visiting.

How can I verify Catherine R. Dudley, PA-C's license?

NPPES lists Massachusetts license number 4034, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Catherine R. Dudley, PA-C prescribe under Medicare Part D?

In 2024, Catherine R. Dudley, PA-C had 235 Medicare Part D claims for 164 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.