Kathryn Oldfield, PA
Physician Assistant · Gardner, MA
Kathryn Oldfield, PA is a physician assistant with a practice address in Gardner, Massachusetts, and NPI 1699249375, issued on Jan 16, 2019. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Oldfield
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1468 NH
Self-reported in NPPES; status is on the state search - Practice location
- 266 Main St, Gardner, MA 01440
- Phone
- (978) 877-3035
- Enumerated
- Jan 16, 2019
- Record last updated
- Mar 6, 2023
- Medicare enrollment
- Enrolled (PECOS I20201201000031); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 266 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kyle Argo, PA-CMedical Physician Assistant1427415199
- Leanne Belcher, NPNurse Practitioner1053819425
- Katherine Fitzgerald, D.O.Family Medicine Physician1134357346
- Tina Griffin, DNP, FNP-CFamily Nurse Practitioner1295722072
- Kristina Lahtinen, PA-CPhysician Assistant1043765381
- Erica Lasorsa, PA-CPhysician Assistant1245409879
Verify Kathryn Oldfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average physician assistant in 2024
219 Medicare Part D claims for 163 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone49 claims
- Doxycycline Monohydrate45 claims
- Nitrofurantoin Mono-Macro22 claims
- Amoxicillin-Clavulanate Potass16 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 2 group practices
- Athol Memorial Hospital IncorporatedAthol, MA
- Heywood Medical Group Inc.Gardner, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Oldfield among 4,713 physician assistant records in Massachusetts
Kathryn Oldfield, 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 2019, is newer than 50% of them.
- NPI issued2019 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2019 among the 3,217 with a school on file
- Record last updated2023 · 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).
15 physician assistant records list a practice address in Gardner
They are 15 of the 588 NPPES records with a practice address in Gardner, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Gardner → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ryan Balthaser, PAGardner, MA 014401124569710
- Cheryl Barber, PHYSICIAN ASSISTANTGardner, MA 014401326656315
- Quianna Diaz-Patterson, PA-CGardner, MA 014401124731518
- Christopher DurginGardner, MA 014401033738364
- Carol Furnari, PAGardner, MA 014401639442825
- Jenna Garozzo, PA-CGardner, MA 014401235670415
- Kristina Lahtinen, PA-CGardner, MA 014401043765381
- Erica Lasorsa, PA-CGardner, MA 014401245409879
Common questions
What is Kathryn Oldfield, PA's NPI number?
Kathryn Oldfield, PA's National Provider Identifier (NPI) is 1699249375, issued on Jan 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Oldfield, PA located?
The NPPES record lists a practice address at 266 Main St, Gardner, MA, 01440. Phone: (978) 877-3035. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Oldfield, PA's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Kathryn Oldfield, PA prescribe under Medicare Part D?
In 2024, Kathryn Oldfield, PA had 219 Medicare Part D claims for 163 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Kathryn Oldfield, 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.