Provider Profile
Kristen K. Tosaw, FNP-C
Unclaimed ProfileAbout Kristen Tosaw
Listed in the NPI registry as a nurse practitioner, Kristen K. Tosaw, FNP-C practices in Barrington, IL. Medicare claims data shows Kristen provided 72 services to 44 patients. The services billed most often include residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes, residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes, and residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes. NPI 1174917769 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (844) 656-8763
- Email not available
Practice Locations
405 LAKE ZURICH RD
Barrington, IL 60010
Procedures Most Often Billed to Medicare
72 services · 44 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
34 | Less often than most peers in Nurse Practitioner |
| Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99350 |
23 | Less often than most peers in Nurse Practitioner |
| Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes | Office visit | 99345 |
15 | Less often than most 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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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 — 22 related providers in 3 groups
Other nurse practitioners in Barrington 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Kristen K. Tosaw specialize in?
Kristen K. Tosaw is a nurse practitioner in Barrington, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Kristen K. Tosaw located?
Kristen K. Tosaw is listed at 405 Lake Zurich Rd, Barrington, IL 60010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Kristen K. Tosaw's phone number?
The number on file is (844) 656-8763. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Kristen K. Tosaw?
Kristen K. Tosaw's National Provider Identifier is 1174917769. 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 Kristen K. Tosaw train?
Kristen K. Tosaw attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Kristen K. Tosaw have?
Kristen K. Tosaw has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Kristen K. Tosaw do most often?
According to Medicare billing data, Kristen K. Tosaw 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 Kristen K. Tosaw's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Kristen K. Tosaw. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.