Kathryn R. Ellis, M.D.
Family Medicine Physician · Millis, MA
Kathryn R. Ellis, M.D. is a family medicine physician with a practice address in Millis, Massachusetts, and NPI 1942288295, issued on Jan 6, 2006. Check the license (Massachusetts 160327, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Kathryn R. Ellis
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 160327 MA
Self-reported in NPPES; status is on the state search - Practice location
- 730 Main St, Millis, MA 02054
- Phone
- (508) 376-2515
- Enumerated
- Jan 6, 2006
- Record last updated
- Jan 16, 2024
- Fax
- (508) 376-9932
- Medicaid ID
- 3204723 MA
- Medicare enrollment
- Enrolled (PECOS I20040517000105); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 730 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sudi Baker, NP FNP-BCFamily Nurse Practitioner1568895787
- Sara Campion-Egan, NPFamily Nurse Practitioner1083098941
- Mustafa Khaled Mustafa, MDInternal Medicine Physician1336384601
- Nicholas Phillips, DOFamily Medicine Physician1134160096
- Jane Tevnan, NPAdult Health Nurse Practitioner1407022619
Verify Kathryn R. Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 160327Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average family medicine physician in 2024
7,166 Medicare Part D claims for 672 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 305 claims were for opioids.
Most prescribed
- Atorvastatin Calcium475 claims
- Lisinopril369 claims
- Amlodipine Besylate303 claims
- Levothyroxine Sodium303 claims
- Omeprazole246 claims
- Simvastatin234 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.
Bills Medicare through one group practice
- Charles River Medical Associates, PCMillis, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
3 family medicine physician records list a practice address in Millis
They are 3 of the 84 NPPES records with a practice address in Millis, and 2,265 family medicine physician records in Massachusetts.
All 3 in Millis → All 2,265 in Massachusetts → Every provider in Millis →
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 Kathryn R. Ellis, M.D.'s NPI number?
Kathryn R. Ellis, M.D.'s National Provider Identifier (NPI) is 1942288295, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn R. Ellis, M.D. located?
The NPPES record lists a practice address at 730 Main St, Millis, MA, 02054. Phone: (508) 376-2515. Providers update this record themselves, so call before visiting.
How can I verify Kathryn R. Ellis, M.D.'s license?
NPPES lists Massachusetts license number 160327, 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 Kathryn R. Ellis, M.D. prescribe under Medicare Part D?
In 2024, Kathryn R. Ellis, M.D. had 7,166 Medicare Part D claims for 672 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.