Katherine E. Fitzgerald, D.O.
Family Medicine Physician · Gardner, MA
Katherine E. Fitzgerald, D.O. is a family medicine physician with a practice address in Gardner, Massachusetts, and NPI 1134357346, issued on Jun 25, 2009. Check the license (Massachusetts 249736, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katherine E. Fitzgerald
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 249736 MA
Self-reported in NPPES; status is on the state search - Practice location
- 266 Main St, Gardner, MA 01440
- Phone
- (978) 630-5030
- Enumerated
- Jun 25, 2009
- Record last updated
- Jun 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (978) 630-5033
- Medicaid ID
- 110094256A MA
- Medicare enrollment
- Enrolled (PECOS I20121026000219); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
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
- Tina Griffin, DNP, FNP-CFamily Nurse Practitioner1295722072
- Kristina Lahtinen, PA-CPhysician Assistant1043765381
- Erica Lasorsa, PA-CPhysician Assistant1245409879
- Thomas Miller, MDFamily Medicine Physician1588632723
Verify Katherine E. Fitzgerald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 249736Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average family medicine physician in 2024
4,477 Medicare Part D claims for 529 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 96 claims were for opioids.
Most prescribed
- Atorvastatin Calcium262 claims
- Levothyroxine Sodium259 claims
- Lisinopril214 claims
- Gabapentin181 claims
- Omeprazole164 claims
- Albuterol Sulfate Hfa144 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).
Industry payments in 2024: $40.90
2 payments; by number, the most common kind was food and beverage; the largest payer was Braeburn Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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).
21 family medicine physician records list a practice address in Gardner
They are 21 of the 588 NPPES records with a practice address in Gardner, and 2,265 family medicine physician records in Massachusetts.
All 21 in Gardner → All 2,265 in Massachusetts → Every provider in Gardner →
Other family medicine physician records in Massachusetts
- Salah Abass, M.D.Methuen, MA1417959776
- Majed Abbas, MDLowell, MA1346827870
- Sheila Abdallah, MDWorcester, MA1821356312
- Omar Abduljabar, M.D.Springfield, MA1770978843
- Jonathan Abel, DOSpringfield, MA1700897196
- Mohamed Abib, MDSturbridge, MA1639281090
- Kevin Abraham, M.D.Worcester, MA1689037673
- Janet Abrahamian, M.D.West Boylston, MA1932156627
- John Abramson, M.D.Ipswich, MA1275613903
- John Paul Abroguena, MDPlainville, MA1235361080
Common questions
What is Katherine E. Fitzgerald, D.O.'s NPI number?
Katherine E. Fitzgerald, D.O.'s National Provider Identifier (NPI) is 1134357346, issued on Jun 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Katherine E. Fitzgerald, D.O. located?
The NPPES record lists a practice address at 266 Main St, Gardner, MA, 01440. Phone: (978) 630-5030. Providers update this record themselves, so call before visiting.
How can I verify Katherine E. Fitzgerald, D.O.'s license?
NPPES lists Massachusetts license number 249736, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine E. Fitzgerald, D.O. prescribe under Medicare Part D?
In 2024, Katherine E. Fitzgerald, D.O. had 4,477 Medicare Part D claims for 529 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Katherine E. Fitzgerald, D.O.'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.