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Nurse Practitioner

Kelly L. Llewellyn, NP

Works at hospitals in Frederick, MD · Maryland

Summary

Kelly L. Llewellyn, NP is a nurse practitioner at 400 W 7th St, Frederick, MD 21701. Phone: (240) 215-6310. Accepts Medicare assignment. In 2024, Kelly L. Llewellyn had 335 Original Medicare patients and 1,214 services. NPI 1336578947. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 400 W 7th St, Frederick, MD 21701 · Directions (2 more locations)
  • Phone: (240) 215‑6310
  • Medicare: Accepts Medicare assignment
  • Hospital: Frederick Health Hospital
  • Group practice: Frederick Health Medical Group LLC
  • School: graduated 2013
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kelly L. Llewellyn, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kelly L. Llewellyn accept Medicare assignment?
Yes. Medicare's clinician data says Kelly L. Llewellyn 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 Kelly L. Llewellyn see?
In 2024, CMS data shows 335 Original Medicare patients and 1,214 services for Kelly L. Llewellyn. This counts Original Medicare only and measures volume, not quality.
What is Kelly L. Llewellyn's NPI number?
1336578947. 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 Kelly L. Llewellyn, 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 patients335
Services billed to Medicare1,214
Different services or procedures24
Participating Medicare providerYes
Average age of these patients83

Most frequent services

  1. Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)445 services
  2. Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)219 services
  3. Assessment of emotional or behavioral problems (96127)159 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)118 services
  5. Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)56 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%
  • Alzheimer's disease or dementia64%
  • Arthritis60%
  • Depression50%
  • Anxiety46%

Hospitals where Kelly L. Llewellyn works

Medicare's Facility Affiliation Data lists Kelly L. Llewellyn 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 Kelly L. Llewellyn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kelly L. Llewellyn as a member of this group (CMS data updated October 2, 2026).

  • Frederick Health Medical Group LLC199 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Maryland →

Other nurse practitioners in Frederick

Clinicians with the same Medicare primary specialty in Frederick, MD — not a recommendation.

All nurse practitioners in Frederick →

Other clinicians in Frederick Health Medical Group LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336578947
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians