Quick answers
- Does Lynn St Pierre accept Medicare assignment?
- Yes. Medicare's clinician data says Lynn St Pierre 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 Lynn St Pierre see?
- In 2024, CMS data shows 517 Original Medicare patients and 3,818 services for Lynn St Pierre. This counts Original Medicare only and measures volume, not quality.
- What is Lynn St Pierre's NPI number?
- 1558524942. 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 Lynn St Pierre, 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 | 517 |
|---|---|
| Services billed to Medicare | 3,818 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, darbepoetin alfa, 1 microgram (non-esrd use) (J0881)2,980 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)346 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)213 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)110 services
- Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)40 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%
- Chronic kidney disease75%
- Diabetes50%
- Arthritis48%
- Ischemic heart disease45%
Hospitals where Lynn St Pierre works
Medicare's Facility Affiliation Data lists Lynn St Pierre 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.
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210005
Practice locations
Addresses where Lynn St Pierre is enrolled with Medicare (CMS data updated October 2, 2026).
- 10260 Silverside St, Suite 200Ijamsville, MD 21754 (240) 215‑6310
- 400 W 7th StFrederick, MD 21701
- 504 E Ridgeville BlvdMount Airy, MD 21771 (240) 215‑6310
Group practices
Medicare enrollment lists Lynn St Pierre as a member of this group (CMS data updated October 2, 2026).
- Frederick Health Medical Group LLC199 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Ijamsville
Clinicians with the same Medicare primary specialty in Ijamsville, MD — not a recommendation.
Other clinicians in Frederick Health Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558524942 |
| 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