Quick answers
- Does Kathryn M. Merrick accept Medicare assignment?
- Yes. Medicare's clinician data says Kathryn M. Merrick 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 Kathryn M. Merrick see?
- In 2024, CMS data shows 87 Original Medicare patients and 182 services for Kathryn M. Merrick. This counts Original Medicare only and measures volume, not quality.
- What is Kathryn M. Merrick's NPI number?
- 1811320989. 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 Kathryn M. Merrick, 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 | 87 |
|---|---|
| Services billed to Medicare | 182 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)25 services
- Administration of influenza virus vaccine (G0008)24 services
- Influenza vaccine split virus, preservative free (90662)21 services
- Admn sarscov2 vacc 1 dose (90480)19 services
- Sarscov2 vac 50 mcg/0.5ml im (91322)19 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 cholesterol72%
- High blood pressure60%
- Arthritis36%
- Ischemic heart disease25%
- Depression17%
- Heart failure16%
Practice locations
Addresses where Kathryn M. Merrick is enrolled with Medicare (CMS data updated October 2, 2026).
- 2045 Plum Grove RdRolling Meadows, IL 60008 (866) 389‑2727
- 345 Madison StOak Park, IL 60302 (866) 389‑2727
- 4051 N Lincoln AveChicago, IL 60618 (866) 389‑2727
Group practices
Medicare enrollment lists Kathryn M. Merrick as a member of these groups (CMS data updated October 2, 2026).
- Minuteclinic Diagnostic of Illinois PLLC110 clinicians in the group
- Minuteclinic Primary Care Illinois PLLC102 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Rolling Meadows
Clinicians with the same Medicare primary specialty in Rolling Meadows, IL — not a recommendation.
Other clinicians in Minuteclinic Diagnostic of Illinois PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2013 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811320989 |
| 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