Quick answers
- Does Kirsten D. Grillo accept Medicare assignment?
- Yes. Medicare's clinician data says Kirsten D. Grillo 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 Kirsten D. Grillo see?
- In 2024, CMS data shows 229 Original Medicare patients and 765 services for Kirsten D. Grillo. This counts Original Medicare only and measures volume, not quality.
- What is Kirsten D. Grillo's NPI number?
- 1235435835. 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 Kirsten D. Grillo, 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 | 229 |
|---|---|
| Services billed to Medicare | 765 |
| Different services or procedures | 70 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)112 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)106 services
- Blood test, comprehensive group of blood chemicals (80053)66 services
- Blood test, lipids (cholesterol and triglycerides) (80061)62 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)53 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 pressure71%
- Arthritis45%
- Depression27%
- Anxiety26%
- Diabetes25%
Practice locations
Addresses where Kirsten D. Grillo is enrolled with Medicare (CMS data updated October 2, 2026).
- 112 S Main StTorrington, CT 06790 (860) 387‑4365
- 385 W Main StAvon, CT 06001 (860) 777‑6977
- 992 E Main StTorrington, CT 06790 (860) 866‑5809
Group practices
Medicare enrollment lists Kirsten D. Grillo as a member of this group (CMS data updated October 2, 2026).
- Hartford Healthcare Urgent Care Centers LLC198 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Torrington
Clinicians with the same Medicare primary specialty in Torrington, CT — not a recommendation.
Other clinicians in Hartford Healthcare Urgent Care Centers LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2010 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235435835 |
| 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
- 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