William Collins, PA
Physician Assistant · Salem, MA
William Collins, PA is a physician assistant with a practice address in Salem, Massachusetts, and NPI 1790448231, issued on Oct 21, 2021. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Collins
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 81 Highland Ave, Salem, MA 01970
- Phone
- (978) 741-1200
- Enumerated
- Oct 21, 2021
- Record last updated
- Jan 14, 2026
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 81 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lizaveta Aboishava, MDInternal Medicine Physician1285318642
- Graziella Abu-Jawdeh, M.D.Anatomic Pathology & Clinical Pathology Physician1477529618
- Edward Adolph, P.A.Surgical Physician Assistant1417193673
- Awais Alam, M.D.Internal Medicine Physician1376580993
- Mohammed Alkhafaji, MDEmergency Medicine Physician1285170431
- Moayd Alkhalifah, M.D.Student in an Organized Health Care Education/Training Program1619228087
Verify William Collins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average physician assistant in 2024
123 Medicare Part D claims for 83 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen19 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.
William Collins among 4,713 physician assistant records in Massachusetts
William Collins, PA 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 2021, is newer than 63% of them.
- NPI issued2021 · 63% of these records are older, 32% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2026 · 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).
21 physician assistant records list a practice address in Salem
They are 21 of the 1,869 NPPES records with a practice address in Salem, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Salem → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Elizabeth Barakitis, PA-CSalem, MA 019701558836700
- Michael Cothern, PA-CSalem, MA 019701235373424
- McKayla Finneran, PA-CSalem, MA 019701770073413
- Christine Gross, PA-CSalem, MA 019701740428440
- Stephen Hinrichs, PHYSICIAN ASSISTANTSalem, MA 019701245566298
- Meghan Holtz, PA-CSalem, MA 019701093366916
- Sarah Katz, PA-CSalem, MA 019701699374660
- Kristen Koch, PA-CSalem, MA 019701205074721
Common questions
What is William Collins, PA's NPI number?
William Collins, PA's National Provider Identifier (NPI) is 1790448231, issued on Oct 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Collins, PA located?
The NPPES record lists a practice address at 81 Highland Ave, Salem, MA, 01970. Phone: (978) 741-1200. Providers update this record themselves, so call before visiting.
How can I verify William Collins, PA's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does William Collins, PA prescribe under Medicare Part D?
In 2024, William Collins, PA had 123 Medicare Part D claims for 83 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.