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CLARRISA C. HAMANN APN-CNP
NPI 1255542718
Nurse Practitioner in Highland Park, IL

Active since May 25, 2007PECOS EnrolledAccepts Medicare Assignment
93.08/100
CMS Quality Rating
777 PARK AVE. WEST, HIGHLAND PARK, IL 60035(847) 480-3956(847) 480-2861 Get Directions Write a Review

NPPES record last updated: June 18, 2019. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Clarrisa C. Hamann Apn-cnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CLARRISA C. HAMANN APN-CNP (NPI 1255542718) is an individual nurse practitioner in Highland Park, Illinois, licensed in Illinois (209-004281) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Bannockburn.

NPPES Registry Identity

NPI1255542718
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameCLARRISA C. HAMANNCredential: APN-CNP
Location Address777 PARK AVE. WESTHighland Park, IL 60035
Mailing Address777 Park Ave. WestHighland Park, IL 60035-2433 · (847) 480-3956 · Fax (847) 480-2861
Phone(847) 480-3956
Fax(847) 480-2861
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateMay 25, 2007
Last NPPES UpdateJune 18, 2019
✔ NPI 1255542718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in IL · 209-004281
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License 041271088 (IL)
777 PARK AVE. WEST, Highland Park, IL 60035
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Secondary Practice Location 1

Location 12151 Waukegan Rd, SUITE 100Bannockburn, IL 60015-1885 · Phone (847) 444-5300 · Fax (847) 267-1429

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Clarrisa C. Hamann Apn-cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274562335
PECOS Enrollment IDI20050809000429
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
177 services167 patients
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 G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
47 services39 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
25 services25 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60035 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.79
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANA MARIE MALUNHAO APN-CNP
Nurse Practitioner
777 PARK AVE. WEST, IM HOSPITALISTS
HIGHLAND PARK, IL 60035
Lake County (847) 926-5840
UNHO KIM MD
Hospitalist
777 PARK AVE. WEST, IM HOSPITALISTS
HIGHLAND PARK, IL 60035
Lake County (847) 926-5840
SHEENA GUPTA MCKENZIE MD, MBA
Hospitalist
777 PARK AVE. WEST, PEDIATRIC HOSPITALISTS
HIGHLAND PARK, IL 60035
Lake County (847) 570-2530
ARIF ALI KHAN MD
Hospitalist
777 PARK AVE. WEST, IM HOSPITALISTS
HIGHLAND PARK, IL 60035
Lake County (847) 926-5840
SNEHA BONTU MD
Hospitalist
777 PARK AVE. WEST, IM HOSPITALISTS
HIGHLAND PARK, IL 60035
Lake County (847) 432-8000
ASHLEY E. TROTTER MD
Hospitalist
777 PARK AVE. WEST, IM HOSPITALISTS
HIGHLAND PARK, IL 60035
Lake County (847) 926-5840

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Clarrisa Hamann's NPI number?

The NPI number for Clarrisa Hamann is 1255542718. It was assigned to this individual provider in the NPPES registry on May 25, 2007.

Where is Clarrisa Hamann located?

Clarrisa Hamann practices at 777 Park Ave. West, Highland Park, IL 60035. The listed phone number is (847) 480-3956.

What is Clarrisa Hamann's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Clarrisa Hamann enrolled in Medicare?

Yes. Clarrisa Hamann is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Clarrisa Hamann affiliated with any hospitals?

According to CMS data, Clarrisa Hamann is affiliated with Northshore University Healthsystem - Evanston Hospital, Swedish Hospital and Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Clarrisa Hamann was last updated on June 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.