Provider Profile
Mary Kowal, CRNP
Unclaimed ProfileAbout Mary Kowal
Listed in the NPI registry as a nurse practitioner, Mary Kowal, CRNP practices in Washington, DC. Mary graduated from Johns Hopkins University School of Medicine in 2013. Medicare claims data shows Mary provided 155 services to 82 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (202) 877-7000
- Email not available
Practice Locations
110 IRVING ST NW
Washington, DC 20010
Procedures Most Often Billed to Medicare
155 services · 82 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
91 | As often as other peers in Nurse Practitioner |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
64 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other nurse practitioners in Washington 7
Same specialty, same city.
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Mary Kowal specialize in?
Mary Kowal is a nurse practitioner in Washington, DC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary Kowal located?
Mary Kowal is listed at 110 Irving St Nw, Washington, DC 20010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary Kowal's phone number?
The number on file is (202) 877-7000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Mary Kowal?
Mary Kowal's National Provider Identifier is 1710477757. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary Kowal train?
Mary Kowal attended Johns Hopkins University School of Medicine, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mary Kowal have?
Mary Kowal has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Mary Kowal do most often?
According to Medicare billing data, Mary Kowal the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mary Kowal's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Kowal. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.