Colleen M. Casey, P.A.
Physician Assistant · Worcester, MA
Colleen M. Casey, P.A. is a physician assistant with a practice address in Worcester, Massachusetts, and NPI 1962476218, issued on Feb 14, 2006. Check the license (Massachusetts PA304, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Colleen M. Casey
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA304 MA
001199 CT
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (774) 443-7552
- Enumerated
- Feb 14, 2006
- Record last updated
- Oct 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (774) 443-7510
- Medicare enrollment
- Enrolled (PECOS I20070104000233); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Colleen M. Casey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA304Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average physician assistant in 2024
97 Medicare Part D claims for 22 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Metoprolol Tartrate14 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.
The MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colleen M. Casey among 4,713 physician assistant records in Massachusetts
Colleen M. Casey, P.A. 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1984 · median 2019 among the 3,217 with a school on file
- Record last updated2021 · 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
- Michael Bennett, PA-CWorcester, MA 016551396724563
- Jennifer Bernardo-Bailey, PAWorcester, MA 016551447267166
- Stacy Brown, PA-CWorcester, MA 016551679548515
- Erin Dunne, PA-CWorcester, MA 016551780694851
- Linda Fagundes, PA-CWorcester, MA 016551710952064
- Jeffery Giarnese, P.A.Worcester, MA 016551114991130
- Donna Marie Hayden, PA-CWorcester, MA 016551063487718
- Jeffrey Hughes, PAWorcester, MA 016551811959547
Common questions
What is Colleen M. Casey, P.A.'s NPI number?
Colleen M. Casey, P.A.'s National Provider Identifier (NPI) is 1962476218, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Colleen M. Casey, P.A. located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (774) 443-7552. Providers update this record themselves, so call before visiting.
How can I verify Colleen M. Casey, P.A.'s license?
NPPES lists Massachusetts license number PA304, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Colleen M. Casey, P.A. prescribe under Medicare Part D?
In 2024, Colleen M. Casey, P.A. had 97 Medicare Part D claims for 22 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Colleen M. Casey, P.A.'s MIPS final score?
The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.