MRS. SALLY A MARKELL NP
NPI 1851720783
Nurse Practitioner in Washington, DC
About Mrs. Sally A Markell Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SALLY A MARKELL NP (NPI 1851720783) is an individual nurse practitioner in Washington, District Of Columbia, licensed in District Of Columbia (RN1027232) and active in the NPI registry since November 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Sally A Markell Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Sally Markell reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 482 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 264 clinicians in this Medicare group
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 1,534 clinicians in this Medicare group
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 2,618 clinicians in this Medicare group
Fairfax, VA 22033
- Reassigned Medicare billing, District of Columbia enrollment
- 71 clinicians in this Medicare group
Warrenton, VA 20186
- Reassigned Medicare billing, Virginia enrollment
- 60 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sally Markell's NPI number?
The NPI number for Sally Markell is 1851720783. It was assigned to this individual provider in the NPPES registry on November 1, 2013. The provider is also known as Sally A Markell Np.
Where is Sally Markell located?
Sally Markell practices at 110 Irving St NW, Washington, DC 20010. The listed phone number is (202) 877-5423.
What is Sally Markell's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Sally Markell enrolled in Medicare?
Yes. Sally Markell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sally Markell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sally Markell reassigns Medicare benefits to 6 organizations: Medstar Medical Group Anesthesiology LLC (Washington, DC), Washington Hospital Center Corp (Washington, DC), Privia Medical Group, LLC (Arlington, VA), Inova Health Care Services (Falls Church, VA), Fair Oaks Emergency Physicians, PLLC (Fairfax, VA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sally Markell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sally Markell was last updated on August 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mrs. Sally A Markell, NP · NPI 1851720783
Nurse Practitioner physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since November 1, 2013.
## Identity
- **NPI:** 1851720783 (Entity type: Individual)
- **Enumerated:** November 1, 2013
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN1027232 (District of Columbia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 110 IRVING ST NW, Washington, DC 20010-3017
- **Phone:** (202) 877-5423
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group Anesthesiology LLC (NPI 1558976175, Washington, DC); Washington Hospital Center Corp (NPI 1376627406, Washington, DC); Privia Medical Group, LLC (NPI 1013042480, Arlington, VA); Inova Health Care Services (NPI 1952320061, Falls Church, VA); Fair Oaks Emergency Physicians, PLLC (NPI 1649203605, Fairfax, VA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** August 4, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1851720783) · Data from the CMS NPPES public registry.