Anna Jessica Musialowski, PA-C
Physician Assistant · Wilmington, MA
Anna Jessica Musialowski, PA-C is a physician assistant with a practice address in Wilmington, Massachusetts, and NPI 1861733578, issued on Mar 5, 2013. Check the license (Massachusetts PA4595, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Anna Jessica Musialowski
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA4595 MA
Self-reported in NPPES; status is on the state search - Practice location
- 66B Concord St, Wilmington, MA 01887
- Phone
- (617) 568-6500
- Enumerated
- Mar 5, 2013
- Record last updated
- Aug 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240719000033); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 66B Concord St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Delaney Eisenberg, PA-CPhysician Assistant1861155145
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- Rebecca Holbrook, PA-CPhysician Assistant1528501038
- Basema HusseinPhysical Therapist1518758879
Verify Anna Jessica Musialowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA4595Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average physician assistant in 2024
137 Medicare Part D claims for 113 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.
Most prescribed
- Nitrofurantoin Mono-Macro16 claims
- Doxycycline Hyclate14 claims
- Cephalexin13 claims
- Prednisone13 claims
- Amoxicillin-Clavulanate Potass11 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
- Nextcare Arizona I JV LLCFlagstaff, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anna Jessica Musialowski among 4,713 physician assistant records in Massachusetts
Anna Jessica Musialowski, 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 2013, is newer than 28% of them.
- NPI issued2013 · 28% of these records are older, 70% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2012 · median 2019 among the 3,217 with a school on file
- Record last updated2020 · 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).
8 physician assistant records list a practice address in Wilmington
They are 8 of the 443 NPPES records with a practice address in Wilmington, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Wilmington → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Stephanie Barczak, PAWilmington, MA 018871144847252
- Jenna Comeau, PA-CWilmington, MA 018871124301635
- Kerry EatonWilmington, MA 018871164180659
- Delaney Eisenberg, PA-CWilmington, MA 018871861155145
- Rebecca Holbrook, PA-CWilmington, MA 018871528501038
- David RomanoWilmington, MA 018871477090967
- Amy Simmons, PA-CWilmington, MA 018871033597075
- Colleen Browne, PA-CWestford, MA 018861730011131
Common questions
What is Anna Jessica Musialowski, PA-C's NPI number?
Anna Jessica Musialowski, PA-C's National Provider Identifier (NPI) is 1861733578, issued on Mar 5, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Anna Jessica Musialowski, PA-C located?
The NPPES record lists a practice address at 66B Concord St, Wilmington, MA, 01887. Phone: (617) 568-6500. Providers update this record themselves, so call before visiting.
How can I verify Anna Jessica Musialowski, PA-C's license?
NPPES lists Massachusetts license number PA4595, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Anna Jessica Musialowski, PA-C prescribe under Medicare Part D?
In 2024, Anna Jessica Musialowski, PA-C had 137 Medicare Part D claims for 113 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.