Doctor profile · Federal record

Dr. Mary Kowal, CRNP

Nurse Practitioner · Washington, DC

  • NPI 1710477757
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
110 Irving St Nw
Washington, DC 200103017
(202) 877-7000
Mailing address
4023 9Th St Ne Apt 3
Washington, DC 200173712

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
January 11, 2021
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
District of Columbia #RN1048243

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710477757. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
127
Distinct HCPCS
1
Medicare allowed
$13,071
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 127 69 $103

In context: peer comparison

Among 23 peers in this city , average services per provider: 55. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$363
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 2 $143.95
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $111.00
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 2 $107.61

By nature of payment

Food and Beverage
$363

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,155
Patients
335
Total drug cost
$339,565
Drug Type Claims Patients Total cost
Spironolactone Generic 195 69 $1,795
Furosemide Generic 145 51 $975
Jardiance (Empagliflozin) Brand 144 44 $125,944
Torsemide Generic 124 41 $3,978
Entresto (Sacubitril/Valsartan) Brand 112 28 $111,646
Metoprolol Succinate Generic 95 32 $1,012
Eliquis (Apixaban) Brand 59 18 $60,225
Carvedilol Generic 53 18 $656
Potassium Chloride Generic 53 21 $1,522
Farxiga (Dapagliflozin Propanediol) Brand 37 0 $27,603

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Kowal's medical specialty?
Dr. Mary Kowal practices Nurse Practitioner in Washington, DC.
Where does Dr. Mary Kowal practice?
Dr. Mary Kowal practices at 110 Irving St Nw, Washington, DC 200103017. Office phone: 2028777000.
What is Dr. Mary Kowal's NPI?
Dr. Mary Kowal's National Provider Identifier (NPI) is 1710477757, issued by NPPES.
Does Dr. Mary Kowal accept Medicare assignment?
Yes. Dr. Mary Kowal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Kowal commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.