NPPES file of Aug 9, 2026

Shannon Patricia Greaney, PA-C

Medical Physician Assistant · Springfield, MA

Shannon Patricia Greaney, PA-C is a medical physician assistant with a practice address in Springfield, Massachusetts, and NPI 1174099386, issued on Oct 16, 2018. Check the license 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
1174099386
Name
Shannon Patricia Greaney
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
Practice location
271 Carew St, Springfield, MA 01104
Phone
(413) 748-9000
Enumerated
Oct 16, 2018
Record last updated
Mar 16, 2025
Medicare enrollment
Enrolled (PECOS I20190208001522); 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 271 Carew St

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

  1. Simon Ahtaridis, M.D.Internal Medicine Physician1053383901
  2. Sevilay Akcam, PA-CMedical Physician Assistant1730672023
  3. Steven Allen, MDNuclear Medicine Physician1831162452
  4. Larisa Altman, NPAdult Health Nurse Practitioner1093917213
  5. Kaira Ayad, PASurgical Physician Assistant1023757218
  6. Alistair Bell, MDInternal Medicine Physician1265953616

Verify Shannon Patricia Greaney in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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
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93% fewer Medicare Part D claims than the average medical physician assistant in 2024

77 Medicare Part D claims for 51 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 42 claims were for opioids.

  1. Shannon Greaney77
  2. Specialty average1,148

Most prescribed

  1. Oxycodone Hcl39 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.

Industry payments in 2024: $20.19

1 payment: food and beverage; the largest payer was Conmed Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shannon Greaney$20.19
  2. Specialty average$1,055.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Riverbend Medical Group IncSpringfield, MA

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

Shannon Patricia Greaney among 886 medical physician assistant records in Massachusetts

Shannon Patricia Greaney, 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 2018, is newer than 69% of them.

  • NPI issued2018 · 69% of these records are older, 27% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2018 · median 2015 among the 559 with a school on file
  • Record last updated2025 · 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. Lauren Carra, PA-CSpringfield, MA 011041831530609
  2. Natalee Georgantas, PA-CSpringfield, MA 011041326391707
  3. John Hurley, P.A.Springfield, MA 011041558389072
  4. Patrick Lafond, PA-CSpringfield, MA 011041881669901
  5. Lynn Larochelle, PACSpringfield, MA 011041083704829
  6. Samantha Lyman, PA-CSpringfield, MA 011041407297971
  7. Lisa Maheu, PA-CSpringfield, MA 011041215952239
  8. Laura Mitrowski, PACSpringfield, MA 011041528319613

Common questions

What is Shannon Patricia Greaney, PA-C's NPI number?

Shannon Patricia Greaney, PA-C's National Provider Identifier (NPI) is 1174099386, issued on Oct 16, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Shannon Patricia Greaney, PA-C located?

The NPPES record lists a practice address at 271 Carew St, Springfield, MA, 01104. Phone: (413) 748-9000. Providers update this record themselves, so call before visiting.

How can I verify Shannon Patricia Greaney, PA-C's license?

Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Shannon Patricia Greaney, PA-C prescribe under Medicare Part D?

In 2024, Shannon Patricia Greaney, PA-C had 77 Medicare Part D claims for 51 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.