Doctor profile · Federal record

Dr. Sally Markell, NP

Nurse Practitioner · Nurse Practitioner · Washington, DC

  • NPI 1851720783
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
110 Irving St Nw
Washington, DC 200103017
(202) 877-5423
Mailing address
8294 Lucy Ave
Warrenton, VA 201874104

Credentials & registration

NPPES · NUCC
NPI registered
November 2013 — 13 yrs on file
Profile last updated
August 4, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
District of Columbia #RN1027232 · Virginia #0024171053

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851720783. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
65
Distinct HCPCS
2
Medicare allowed
$7,592
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 41 41 $100
99285 Emergency department visit with high level of medical decision making 24 24 $145

In context: peer comparison

Among 23 peers in this city , average services per provider: 55. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$81
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 3 $57.17
Inspire Medical Systems, Inc. 1 $23.64

By nature of payment

Food and Beverage
$81

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
511
Patients
137
Total drug cost
$7,044
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 103 27 $1,301
Amlodipine Besylate Generic 58 17 $605
Lisinopril Generic 45 17 $506
Levothyroxine Sodium Generic 43 16 $617
Hydrochlorothiazide Generic 42 13 $189
Losartan Potassium Generic 37 11 $421
Metformin Hcl Generic 28 0 $245
Azithromycin Generic 23 21 $145
Metoprolol Succinate Generic 23 0 $665
Alprazolam Generic 21 0 $185

Frequently asked questions

Auto-generated from federal data
What is Dr. Sally Markell's medical specialty?
Dr. Sally Markell practices Nurse Practitioner in Washington, DC.
Where does Dr. Sally Markell practice?
Dr. Sally Markell practices at 110 Irving St Nw, Washington, DC 200103017. Office phone: 2028775423.
What is Dr. Sally Markell's NPI?
Dr. Sally Markell's National Provider Identifier (NPI) is 1851720783, issued by NPPES.
Does Dr. Sally Markell accept Medicare assignment?
Yes. Dr. Sally Markell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sally Markell commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.