Ryan Shaw O'Shaughnessy, PA-C
Physician Assistant · Brockton, MA
Ryan Shaw O'Shaughnessy, PA-C is a physician assistant with a practice address in Brockton, Massachusetts, and NPI 1710331095, issued on Apr 22, 2016. Check the license (Massachusetts PA5967, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan Shaw O'Shaughnessy
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA5967 MA
PA00874 RI
Self-reported in NPPES; status is on the state search - Practice location
- 680 Centre St, Brockton, MA 02302
- Phone
- (508) 941-7400
- Enumerated
- Apr 22, 2016
- Record last updated
- Dec 7, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 680 Centre St
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Verify Ryan Shaw O'Shaughnessy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA5967Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average physician assistant in 2024
191 Medicare Part D claims for 146 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 33 claims were for opioids.
Most prescribed
- Oxycodone Hcl28 claims
- Cefpodoxime Proxetil19 claims
- Cephalexin19 claims
- Prednisone14 claims
- Amoxicillin-Clavulanate Potass12 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.
Ryan Shaw O'Shaughnessy among 4,713 physician assistant records in Massachusetts
Ryan Shaw O'Shaughnessy, PA-C is one of 4,713 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 2016, is newer than 36% of them.
- NPI issued2016 · 36% of these records are older, 60% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2018 · 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 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
87 physician assistant records list a practice address in Brockton
They are 87 of the 4,287 NPPES records with a practice address in Brockton, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Brockton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Elizabeth Buckley, PA-CBrockton, MA 023021598173940
- Kimberly Campbell, PA-CBrockton, MA 023021215320296
- Jamie Chyat, PA-CBrockton, MA 023021013376730
- Dorothy Fillion, PA-CBrockton, MA 023021891900361
- Rachel Granquist, P.A.Brockton, MA 023021073718938
- Stacy Herman, PABrockton, MA 023021457482895
- Ryan O'Gowan, PA-CBrockton, MA 023021184659385
- Omorovbiye Odigie, PABrockton, MA 023021215122478
Common questions
What is Ryan Shaw O'Shaughnessy, PA-C's NPI number?
Ryan Shaw O'Shaughnessy, PA-C's National Provider Identifier (NPI) is 1710331095, issued on Apr 22, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Shaw O'Shaughnessy, PA-C located?
The NPPES record lists a practice address at 680 Centre St, Brockton, MA, 02302. Phone: (508) 941-7400. Providers update this record themselves, so call before visiting.
How can I verify Ryan Shaw O'Shaughnessy, PA-C's license?
NPPES lists Massachusetts license number PA5967, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Ryan Shaw O'Shaughnessy, PA-C prescribe under Medicare Part D?
In 2024, Ryan Shaw O'Shaughnessy, PA-C had 191 Medicare Part D claims for 146 beneficiaries; the average among physician assistant prescribers was 830. 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.