NPPES file of Aug 9, 2026

Kaitlin Hathaway Ellis, MD

Obstetrics & Gynecology Physician · Attleboro, MA

Kaitlin Hathaway Ellis, MD is an obstetrics & gynecology physician with a practice address in Attleboro, Massachusetts, and NPI 1821675307, issued on Mar 29, 2021. Check the license (Massachusetts 1024409, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821675307
Name
Kaitlin Hathaway Ellis
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
1024409 MA
LP05444 RI
Self-reported in NPPES; status is on the state search
Practice location
20 Oneil Blvd, Attleboro, MA 02703
Phone
(508) 222-3200
Enumerated
Mar 29, 2021
Record last updated
Jul 21, 2026
Fax
(508) 342-1903
Medicare enrollment
Enrolled (PECOS I20250916003080); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 20 Oneil Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Haley Andrews, PA-CPhysician Assistant1164217188
  2. Rosa Bermudez-Emmanuelli, MDObstetrics & Gynecology Physician1043405863
  3. Jeannine Connolly, MDObstetrics & Gynecology Physician1518976281
  4. Jennifer DecarolisWomen's Health Nurse Practitioner1972905909
  5. Katharine Donohue, RNOncology Registered Nurse1770423261
  6. Ermioni MemaPhysician Assistant1356113138

Verify Kaitlin Hathaway Ellis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 1024409
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

61% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

65 Medicare Part D claims for 37 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Kaitlin Ellis65
  2. Specialty average165

Most prescribed

  1. Ibuprofen22 claims
  2. Oxycodone Hcl17 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

  1. Sturdy Health IncPlainville, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kaitlin Hathaway Ellis among 1,127 obstetrics & gynecology physician records in Massachusetts

Kaitlin Hathaway Ellis, MD is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 94% of them.

  • NPI issued2021 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2021 · median 2004 among the 715 with a school on file
  • Record last updated2026 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 obstetrics & gynecology physician records list a practice address in Attleboro

They are 12 of the 1,239 NPPES records with a practice address in Attleboro, and 1,127 obstetrics & gynecology physician records in Massachusetts.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Rosa Bermudez-Emmanuelli, MDAttleboro, MA 027031043405863
  2. Diana Calogrias, MDAttleboro, MA 027031164864948
  3. Jeannine Connolly, MDAttleboro, MA 027031518976281
  4. Anayda Dejesus-Cruz, M.D.Attleboro, MA 027031083665012
  5. Eugene Digiovanni, M.D.Attleboro, MA 027031053363630
  6. Maryellen DohertyAttleboro, MA 027031154376697
  7. Carolyn Lipsky, NPAttleboro, MA 027031144274093
  8. Elizabeth Moore, MDAttleboro, MA 027031144241670

Common questions

What is Kaitlin Hathaway Ellis, MD's NPI number?

Kaitlin Hathaway Ellis, MD's National Provider Identifier (NPI) is 1821675307, issued on Mar 29, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Kaitlin Hathaway Ellis, MD located?

The NPPES record lists a practice address at 20 Oneil Blvd, Attleboro, MA, 02703. Phone: (508) 222-3200. Providers update this record themselves, so call before visiting.

How can I verify Kaitlin Hathaway Ellis, MD's license?

NPPES lists Massachusetts license number 1024409, 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 Kaitlin Hathaway Ellis, MD prescribe under Medicare Part D?

In 2024, Kaitlin Hathaway Ellis, MD had 65 Medicare Part D claims for 37 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.