Katie Ann Walker, PA
Physician Assistant · Worcester, MA
Katie Ann Walker, PA is a physician assistant with a practice address in Worcester, Massachusetts, and NPI 1285133231, issued on Feb 6, 2018. Check the license (Massachusetts PA6445, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katie Ann Walker
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA6445 MA
Self-reported in NPPES; status is on the state search - Practice location
- 119 Belmont St, Worcester, MA 01605
- Phone
- (508) 334-3452
- Enumerated
- Feb 6, 2018
- Record last updated
- Nov 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 110149517A MA
- Medicare enrollment
- Enrolled (PECOS I20180419001115); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 119 Belmont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katie Ann Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA6445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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).
Katie Ann Walker among 4,713 physician assistant records in Massachusetts
Katie Ann Walker, PA 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 2018, is newer than 45% of them.
- NPI issued2018 · 45% of these records are older, 50% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2017 · median 2019 among the 3,217 with a school on file
- Record last updated2020 · 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
- John Beauchesne, PACWorcester, MA 016051881767416
- Jessica Cosenza, PAWorcester, MA 016051992895189
- David Deary, P.A.Worcester, MA 016051578524948
- Albert Drexler, PAWorcester, MA 016051467431304
- Alice Fannin, PAWorcester, MA 016051649240896
- Natasha Fortier, PA-CWorcester, MA 016051326012345
- Lindsey Jolley, PA-CWorcester, MA 016051306811690
- Amy Kellogg, PAWorcester, MA 016051861402315
Common questions
What is Katie Ann Walker, PA's NPI number?
Katie Ann Walker, PA's National Provider Identifier (NPI) is 1285133231, issued on Feb 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katie Ann Walker, PA located?
The NPPES record lists a practice address at 119 Belmont St, Worcester, MA, 01605. Phone: (508) 334-3452. Providers update this record themselves, so call before visiting.
How can I verify Katie Ann Walker, PA's license?
NPPES lists Massachusetts license number PA6445, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
What is Katie Ann Walker, PA'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.