Mary Elisabeth Gerard
Physician Assistant · Boston, MA
Mary Elisabeth Gerard is a physician assistant with a practice address in Boston, Massachusetts, and NPI 1730549502, issued on Mar 7, 2016. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Elisabeth Gerard
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 450 Brookline Ave, Boston, MA 02215
- Phone
- (617) 632-3000
- Enumerated
- Mar 7, 2016
- Record last updated
- Mar 7, 2016 (not updated in 10 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 →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Elisabeth Gerard 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
18% fewer Medicare Part D claims than the average physician assistant in 2024
678 Medicare Part D claims for 98 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Acyclovir89 claims
- Levofloxacin38 claims
- Valacyclovir32 claims
- Allopurinol25 claims
- Venclexta24 claims
- Chlorhexidine Gluconate23 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.
Mary Elisabeth Gerard among 4,713 physician assistant records in Massachusetts
Mary Elisabeth Gerard 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 updated2016 · 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).
1,660 physician assistant records list a practice address in Boston
They are 1,660 of the 41,865 NPPES records with a practice address in Boston, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Boston → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Elizabeth Alqueza, PA-CBoston, MA 022151972584100
- Margaret Buonanno, PABoston, MA 022151851354989
- Amy Clyde, PABoston, MA 022151326001488
- Hajar Delshad, PA-CBoston, MA 022151801868914
- Nicole Dettmann, PABoston, MA 022151619931813
- Jerald Feuer, PABoston, MA 022151457332801
- Nancy Herriott, PABoston, MA 022151467418012
- Derek Hersey, PABoston, MA 022151114981289
Common questions
What is Mary Elisabeth Gerard's NPI number?
Mary Elisabeth Gerard's National Provider Identifier (NPI) is 1730549502, issued on Mar 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elisabeth Gerard located?
The NPPES record lists a practice address at 450 Brookline Ave, Boston, MA, 02215. Phone: (617) 632-3000. Providers update this record themselves, so call before visiting.
How can I verify Mary Elisabeth Gerard's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Elisabeth Gerard prescribe under Medicare Part D?
In 2024, Mary Elisabeth Gerard had 678 Medicare Part D claims for 98 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.