Kelley Susan Gillis, PA-C
Medical Physician Assistant · Boston, MA
Kelley Susan Gillis, PA-C is a medical physician assistant with a practice address in Boston, Massachusetts, and NPI 1265533137, issued on Sep 25, 2006. Check the license (Massachusetts PA4400, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kelley Susan Gillis
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- PA4400 MA
0525 NH
Self-reported in NPPES; status is on the state search - Practice location
- Mgh Beacon Hill Primary Care, Boston, MA 02114
- Phone
- (617) 726-4900
- Enumerated
- Sep 25, 2006
- Record last updated
- Apr 23, 2024
- Medicaid ID
- 30334240 NH
- Medicare enrollment
- Enrolled (PECOS I20060426000355); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 886 in Massachusetts → Look up another NPI →
Verify Kelley Susan Gillis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA4400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average medical physician assistant in 2024
216 Medicare Part D claims for 159 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin23 claims
- Prednisone20 claims
- Doxycycline Monohydrate14 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.
One hospital affiliation
- Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Kelley Susan Gillis among 886 medical physician assistant records in Massachusetts
Kelley Susan Gillis, 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 78% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2003 · median 2015 among the 559 with a school on file
- Record last updated2024 · 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).
Medical Physician Assistant providers in Massachusetts
There are 886 medical physician assistant records in Massachusetts.
All 886 in Massachusetts → Every provider in Boston → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- John Ahern, PA-CBoston, MA 021141043682776
- Snehal Berajawala, PACBoston, MA 021141073764874
- Alf Carroll, PA-CBoston, MA 021141427507342
- Jonathan Coveney, PA-CBoston, MA 021141780054411
- Casey Cowan, PA-CBoston, MA 021141790104222
- Gerald DuffyBoston, MA 021141861943367
- Brianne Johnsen, PA-CBoston, MA 021141275558652
- Caitlin Kaplan, PHYSICIAN ASSISTANTBoston, MA 021141609313204
Common questions
What is Kelley Susan Gillis, PA-C's NPI number?
Kelley Susan Gillis, PA-C's National Provider Identifier (NPI) is 1265533137, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kelley Susan Gillis, PA-C located?
The NPPES record lists a practice address at Mgh Beacon Hill Primary Care, Boston, MA, 02114. Phone: (617) 726-4900. Providers update this record themselves, so call before visiting.
How can I verify Kelley Susan Gillis, PA-C's license?
NPPES lists Massachusetts license number PA4400, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Kelley Susan Gillis, PA-C prescribe under Medicare Part D?
In 2024, Kelley Susan Gillis, PA-C had 216 Medicare Part D claims for 159 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.