Quick answers
- Does Johanna Cahill accept Medicare assignment?
- Yes. Medicare's clinician data says Johanna Cahill accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Johanna Cahill see?
- In 2024, CMS data shows 235 Original Medicare patients and 541 services for Johanna Cahill. This counts Original Medicare only and measures volume, not quality.
- What is Johanna Cahill's NPI number?
- 1255394904. 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 Johanna Cahill, 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 | 235 |
|---|---|
| Services billed to Medicare | 541 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)351 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)130 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)24 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 blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure75%
- Atrial fibrillation66%
- Chronic kidney disease64%
Hospitals where Johanna Cahill works
Medicare's Facility Affiliation Data lists Johanna Cahill 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.
- Hartford HospitalHartford, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070025
Practice locations
Addresses where Johanna Cahill is enrolled with Medicare (CMS data updated October 2, 2026).
- 1062 Barnes Rd, Suite 300Wallingford, CT 06492 (203) 265‑9831
- 305 Western Blvd, Suite 100Glastonbury, CT 06033 (860) 522‑0604
Group practices
Medicare enrollment lists Johanna Cahill as a member of this group (CMS data updated October 2, 2026).
- Consulting Cardiologists PC23 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Wallingford
Clinicians with the same Medicare primary specialty in Wallingford, CT — not a recommendation.
Other clinicians in Consulting Cardiologists PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Rutgers School Of Dental Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255394904 |
| 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