Kathleen Ann Ribezzo, PA-C
Physician Assistant · Worcester, MA
Kathleen Ann Ribezzo, PA-C is a physician assistant with a practice address in Worcester, Massachusetts, and NPI 1336381888, issued on Mar 30, 2009. Check the license (Massachusetts PA3749, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen Ann Ribezzo
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA3749 MA
Self-reported in NPPES; status is on the state search - Practice location
- 123 Summer St, Worcester, MA 01608
- Phone
- (508) 363-5000
- Enumerated
- Mar 30, 2009
- Record last updated
- Jan 7, 2017 (not updated in 9 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 →
Also registered at 123 Summer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathleen Ann Ribezzo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA3749Check 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
121 Medicare Part D claims for 79 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. 12 claims were for opioids.
Most prescribed
- Prednisone12 claims
- Cephalexin11 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.
Kathleen Ann Ribezzo among 4,713 physician assistant records in Massachusetts
Kathleen Ann Ribezzo, 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 2009, is newer than 20% of them.
- NPI issued2009 · 20% of these records are older, 78% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2017 · 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).
425 physician assistant records list a practice address in Worcester
They are 425 of the 13,166 NPPES records with a practice address in Worcester, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Worcester → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Keith Beals, PAWorcester, MA 016081003989039
- Joshua Deisenroth, P.A.Worcester, MA 016081700846904
- Scott Duany, P.A.Worcester, MA 016081386604569
- Leawood Emmerton, PA CWorcester, MA 016081407835333
- Wendy Folger, PA-CWorcester, MA 016081730149972
- Alison GagnonWorcester, MA 016081548435878
- Jennifer Hardy, P.A.Worcester, MA 016081700846300
- Audra Hauck, P.A.Worcester, MA 016081437119625
Common questions
What is Kathleen Ann Ribezzo, PA-C's NPI number?
Kathleen Ann Ribezzo, PA-C's National Provider Identifier (NPI) is 1336381888, issued on Mar 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Ann Ribezzo, PA-C located?
The NPPES record lists a practice address at 123 Summer St, Worcester, MA, 01608. Phone: (508) 363-5000. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Ann Ribezzo, PA-C's license?
NPPES lists Massachusetts license number PA3749, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Kathleen Ann Ribezzo, PA-C prescribe under Medicare Part D?
In 2024, Kathleen Ann Ribezzo, PA-C had 121 Medicare Part D claims for 79 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.