Caitlin Kaplan, PHYSICIAN ASSISTANT
Medical Physician Assistant · Boston, MA
Caitlin Kaplan, PHYSICIAN ASSISTANT is a medical physician assistant with a practice address in Boston, Massachusetts, and NPI 1609313204, issued on Jan 21, 2017. Check the license (Massachusetts PA5964, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Caitlin Kaplan
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA5964 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-2000
- Enumerated
- Jan 21, 2017
- Record last updated
- Jan 21, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170406000707); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 886 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Caitlin Kaplan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA5964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average medical physician assistant in 2024
51 Medicare Part D claims for 43 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
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
- Nantucket Cottage HospitalNantucket, MA · 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.
Caitlin Kaplan among 886 medical physician assistant records in Massachusetts
Caitlin Kaplan, PHYSICIAN ASSISTANT 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 2017, is newer than 65% of them.
- NPI issued2017 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2015 among the 559 with a school on file
- Record last updated2017 · 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
- Kelley Gillis, PA-CBoston, MA 021141265533137
- Brianne Johnsen, PA-CBoston, MA 021141275558652
Common questions
What is Caitlin Kaplan, PHYSICIAN ASSISTANT's NPI number?
Caitlin Kaplan, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1609313204, issued on Jan 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Caitlin Kaplan, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-2000. Providers update this record themselves, so call before visiting.
How can I verify Caitlin Kaplan, PHYSICIAN ASSISTANT's license?
NPPES lists Massachusetts license number PA5964, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Caitlin Kaplan, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Caitlin Kaplan, PHYSICIAN ASSISTANT had 51 Medicare Part D claims for 43 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.