Quick answers
- Does Caitlyn R. Lewis accept Medicare assignment?
- Yes. Medicare's clinician data says Caitlyn R. Lewis 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 Caitlyn R. Lewis see?
- In 2024, CMS data shows 247 Original Medicare patients and 756 services for Caitlyn R. Lewis. This counts Original Medicare only and measures volume, not quality.
- What is Caitlyn R. Lewis's NPI number?
- 1891431516. 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 Caitlyn R. Lewis, 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 | 247 |
|---|---|
| Services billed to Medicare | 756 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)233 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)201 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)91 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)46 services
- Assessment of emotional or behavioral problems (96127)36 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%
- Arthritis43%
- Diabetes34%
- Anxiety34%
- Ischemic heart disease27%
Hospitals where Caitlyn R. Lewis works
Medicare's Facility Affiliation Data lists Caitlyn R. Lewis 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 Caitlyn R. Lewis is enrolled with Medicare (CMS data updated October 2, 2026).
- 187 Thomas Johnson Dr, Suite 6Frederick, MD 21702
- 194 Thomas Johnson DrFrederick, MD 21702 (240) 215‑6310
- 400 W 7th StFrederick, MD 21701
- 504 E Ridgeville BlvdMount Airy, MD 21771 (240) 215‑6310
Group practices
Medicare enrollment lists Caitlyn R. Lewis as a member of these groups (CMS data updated October 2, 2026).
- Amber Hill Physical Therapy Inc334 clinicians in the group
- Frederick Health Medical Group LLC199 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Frederick
Clinicians with the same Medicare primary specialty in Frederick, MD — not a recommendation.
Other clinicians in Amber Hill Physical Therapy Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891431516 |
| 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