Provider Profile
Clarrisa C. Hamann, APN-CNP
Unclaimed ProfileAbout Clarrisa Hamann
Clarrisa C. Hamann, APN-CNP is a nurse practitioner practicing in Highland Park, IL. Clarrisa is also listed as specializing in registered nurse. According to Medicare claims data, Clarrisa cared for 277 Medicare patients across 296 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or, 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.
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
- (847) 480-3956
- Email not available
Practice Locations
777 PARK AVE. WEST
Highland Park, IL 60035
2151 Waukegan Rd SUITE 100
Bannockburn, IL 60015
Procedures Most Often Billed to Medicare
296 services · 277 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
177 | More than most peers in Nurse Practitioner |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
47 | More often than most 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 |
47 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
25 | 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 5
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 — 22 related providers in 3 groups
Other nurse practitioners in Highland Park 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Clarrisa C. Hamann specialize in?
Clarrisa C. Hamann is a nurse practitioner in Highland Park, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Clarrisa C. Hamann located?
Clarrisa C. Hamann is listed at 777 Park Ave. West, Highland Park, IL 60035. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Clarrisa C. Hamann's phone number?
The number on file is (847) 480-3956. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Clarrisa C. Hamann's NPI number?
Clarrisa C. Hamann's National Provider Identifier is 1255542718. 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 Clarrisa C. Hamann train?
Clarrisa C. Hamann attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Clarrisa C. Hamann been practicing?
Clarrisa C. Hamann has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Clarrisa C. Hamann do most often?
According to Medicare billing data, Clarrisa C. Hamann 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
Has Clarrisa C. Hamann confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Clarrisa C. Hamann. 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.