Quick answers
- Does Kathleen H. Gallivan accept Medicare assignment?
- Medicare's clinician data says Kathleen H. Gallivan may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Kathleen H. Gallivan see?
- In 2024, CMS data shows 606 Original Medicare patients and 2,145 services for Kathleen H. Gallivan. This counts Original Medicare only and measures volume, not quality.
- What is Kathleen H. Gallivan's NPI number?
- 1427056225. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Kathleen H. Gallivan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 606 |
|---|---|
| Services billed to Medicare | 2,145 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)640 services
- Removal of impacted ear wax (69210)463 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)128 services
- Diagnostic exam of voice box using a flexible endoscope (31575)125 services
- Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing (G0268)116 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure74%
- Arthritis52%
- Chronic kidney disease32%
- Anxiety31%
- Ischemic heart disease28%
Hospitals where Kathleen H. Gallivan works
Medicare's Facility Affiliation Data lists Kathleen H. Gallivan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Lowell General HospitalLowell, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220063
- Melrosewakefield HealthcareMelrose, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220070
- Southern NH Medical CenterNashua, NH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 300020
- Winchester HospitalWinchester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220105
Practice locations
Addresses where Kathleen H. Gallivan is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Unicorn Park Dr, Suite 102Woburn, MA 01801 (781) 722‑0242
- 280 Main St, Suite 140Nashua, NH 03060 (603) 594‑3025
- 321 Billerica Rd, Suite 202Chelmsford, MA 01824 (978) 256‑5557
- 44 Birch St, Suite 304Derry, NH 03038 (603) 594‑3025
Group practices
Medicare enrollment lists Kathleen H. Gallivan as a member of these groups (CMS data updated October 2, 2026).
- Massachusetts Ent Associates Inc20 clinicians in the group
- Massachusetts Ear Nose and Throat Associates 3 LLC2 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Other clinicians in Massachusetts Ent Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1427056225 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians