KARISSA MERKEL FNP-C
NPI 1538779533
Nurse Practitioner - Family in Aurora, IL

Q: What is Karissa Merkel's NPI number?

The NPI number for Karissa Merkel is 1538779533. It was assigned to this individual provider in the NPPES registry on August 4, 2020.

Q: What is Karissa Merkel's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Karissa Merkel was last updated on April 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since August 04, 2020PECOS EnrolledAccepts Medicare Assignment

1315 N HIGHLAND AVE STE 200, AURORA, IL 60506(630) 906-7801 Get Directions Write a Review

NPPES record last updated: April 23, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 23, 2024, Oct 13, 2021, Dec 31, 2020 and 1 more (4 updates tracked since 2020).

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About Karissa Merkel Fnp-c NPPES

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

KARISSA MERKEL FNP-C (NPI 1538779533) is an individual family provider in Aurora, Illinois, licensed in Illinois (209021763) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1538779533

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameKARISSA MERKELCredential: FNP-C

Location Address1315 N HIGHLAND AVE STE 200Aurora, IL 60506-1460

Mailing Address1315 N Highland Ave Ste 200Aurora, IL 60506-1460 · (630) 906-7801

Phone(630) 906-7801

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateAugust 4, 2020

Last NPPES UpdateApril 23, 20244 updates tracked since enumeration

NPPES CertifiedApril 23, 2024

✔ NPI 1538779533 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in IL · 209021763

1315 N HIGHLAND AVE STE 200, Aurora, IL 60506

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karissa Merkel Fnp-c 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 ID547674202

PECOS Enrollment IDI20210121000741

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.

Medicare Billing Reassignments

Medicare enrollment records show Karissa Merkel reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community Health Partnership Of Illinois

2.3 mi

Federally Qualified Health Center (FQHC)

157 S LINCOLN AVE, SUITE D
Aurora, IL 60505

Reassigned Medicare billing, Illinois enrollment
39 clinicians in this Medicare group

NPI 1932375169 (630) 859-0015

Morris Hospital

25 mi

General Practice

25259 S REED ST
Channahon, IL 60410

Reassigned Medicare billing, Illinois enrollment
207 clinicians in this Medicare group

NPI 1275648511 (815) 467-0555

Prime Healthcare Illinois Medical Group LLC

30 mi

Multi-Specialty

2380 E DEMPSTER ST
Des Plaines, IL 60016

Reassigned Medicare billing, Illinois enrollment
443 clinicians in this Medicare group

NPI 1023837689 (833) 291-0464

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

83 services32 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

19 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Presence Saint Joseph Medical Center

Acute Care Hospitals · Joliet, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140007

Location333 N Madison StJoliet, IL 60435 · Will County

Emergency services Birthing friendly

Morris Hospital & Healthcare Centers

Acute Care Hospitals · Morris, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140101

Location150 W High StMorris, IL 60450 · Grundy County

Emergency services Birthing friendly

Osf Saint Elizabeth Mdl Ctr

Acute Care Hospitals · Ottawa, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140110

Location1100 E Norris DriveOttawa, IL 61350 · La Salle County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60506 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.

Other Providers at the Same Location NPPES

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

DR. SYEDA ALI MD

Family Medicine

1315 N HIGHLAND AVE STE 200
AURORA, IL 60506

Kane County (630) 906-7801

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 Karissa Merkel's NPI number?

The NPI number for Karissa Merkel is 1538779533. It was assigned to this individual provider in the NPPES registry on August 4, 2020.

Where is Karissa Merkel located?

Karissa Merkel practices at 1315 N Highland Ave Ste 200, Aurora, IL 60506. The listed phone number is (630) 906-7801.

What is Karissa Merkel's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Karissa Merkel enrolled in Medicare?

Yes. Karissa Merkel 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.

Which organizations bill Medicare for Karissa Merkel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karissa Merkel reassigns Medicare benefits to 3 organizations: Community Health Partnership Of Illinois (Aurora, IL), Morris Hospital (Channahon, IL) and Prime Healthcare Illinois Medical Group LLC (Des Plaines, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karissa Merkel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karissa Merkel accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Karissa Merkel as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karissa Merkel affiliated with any hospitals?

According to CMS data, Karissa Merkel is affiliated with Presence Saint Joseph Medical Center, Morris Hospital & Healthcare Centers and Osf Saint Elizabeth Mdl Ctr.

When was this NPI record last updated?

The NPPES record for Karissa Merkel was last updated on April 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.