Quick answers
- Does Karrin B. Boylston accept Medicare assignment?
- Yes. Medicare's clinician data says Karrin B. Boylston 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 Karrin B. Boylston see?
- In 2024, CMS data shows 44 Original Medicare patients and 203 services for Karrin B. Boylston. This counts Original Medicare only and measures volume, not quality.
- What is Karrin B. Boylston's NPI number?
- 1194411702. 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 Karrin B. Boylston, 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 | 44 |
|---|---|
| Services billed to Medicare | 203 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Psychotherapy with evaluation and management visit, 30 minutes (90833)81 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)45 services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)28 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%
- Depression75%
- Anxiety75%
- Arthritis68%
- Diabetes43%
Practice locations
Addresses where Karrin B. Boylston is enrolled with Medicare (CMS data updated October 2, 2026).
- 29877 Telegraph Rd, Suite 400Southfield, MI 48034 (248) 294‑0539
- 3200 Greenfield Rd, Suite 109Dearborn, MI 48120 (517) 492‑0517
Group practices
Medicare enrollment lists Karrin B. Boylston as a member of these groups (CMS data updated October 2, 2026).
- Downriver Mental Health Clinic PC299 clinicians in the group
- Commerce Sports and Spine PLLC11 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Southfield
Clinicians with the same Medicare primary specialty in Southfield, MI — not a recommendation.
Other clinicians in Downriver Mental Health Clinic PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1194411702 |
| 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