Karen Marshall, CFNP
NPI 1841413762 · Family Nurse Practitioner · Luray, VA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Marshall, CFNP is a Family Nurse Practitioner provider in Luray, VA (NPI 1841413762).
Provider details
- NPI number
- 1841413762
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CFNP
- Sex
- Female
- Sole proprietor
- No
- License
- 0024165920 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,448 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,557 | $88 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 276 | $104 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 230 | $125 |
| Transitional Care Management Services for Problem of High Complexity99496 | 116 | $154 |
| Advance Care Planning, First 30 Minutes99497 | 93 | $61 |
| Comprehensive Assessment of and Care Planning for Patients Requiring Chronic Care Management Services (list Separately in Addition to Primary Monthly Care Management Service) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 173 | 19 |
| Atorvastatin Calcium | 158 | 33 |
| Gabapentin | 144 | 25 |
| Furosemide | 89 | 19 |
| Sertraline Hcl | 80 | 12 |
| Amlodipine Besylate | 79 | 13 |
| Citalopram Hydrobromidebrand: Citalopram Hbr |
Practice location
Mailing address
Additional practice locations (4)
- 39 V St NeWashington, DC 20002-1329Phone: (551) 295-8223
- 20130 Lakeview Center Plz Ste 400Ashburn, VA 20147-5905Phone: (551) 295-8223
- 250 Memorial Dr Ste CLuray, VA 22835-1000Phone: (540) 743-4624Fax: (540) 743-4626
- 1840 Amherst StWinchester, VA 22601-2808Phone: (540) 536-7320Fax: (540) 536-7866
Registry dates
- Enumerated
- 2007-04-10
- Last updated
- 2025-09-12
- Certified
- 2025-09-12
Frequently asked questions
- What is Karen Marshall's NPI number?
- Karen Marshall's National Provider Identifier (NPI) is 1841413762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Marshall's specialty?
- Karen Marshall is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Marshall located?
- Karen Marshall's practice location on file with NPPES is 135 Memorial Dr, Luray, VA 22835-1016.
- What is Karen Marshall's phone number?
- The practice phone number listed in the NPPES registry for Karen Marshall is (540) 743-2887.
- Does Karen Marshall accept Medicare?
- Karen Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Marshall's NPI active?
- Yes — Karen Marshall's NPI (1841413762) is active in the NPPES registry as of the last update on 2025-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.