1. Home
  2. Directory
  3. Illinois
  4. Naperville
  5. Nurse Practitioner
  6. NPI Profile

JOHN MICHAEL WUNDERLICH APN-CNP
NPI 1609703479
Nurse Practitioner in Naperville, IL

Active since May 06, 2026PECOS EnrolledAccepts Medicare Assignment
1331 W 75TH ST STE 201, NAPERVILLE, IL 60540(630) 527-5000(630) 527-5440 Get Directions Write a Review

NPPES record last updated: June 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 4, 2026, May 6, 2026 (2 updates tracked since 2026).

About John Michael Wunderlich Apn-cnp NPPES

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

JOHN MICHAEL WUNDERLICH APN-CNP (NPI 1609703479) is an individual nurse practitioner in Naperville, Illinois, licensed in Illinois (209035722) and active in the NPI registry since May 2026. He is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and maintains a secondary practice location in Elmhurst.

NPPES Registry Identity

NPI1609703479
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameJOHN MICHAEL WUNDERLICHCredential: APN-CNP
Location Address1331 W 75TH ST STE 201Naperville, IL 60540-9311
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 733-5315
Phone(630) 527-5000
Fax(630) 527-5440
Sole ProprietorNo
Medical School CMSOtherGraduated 2026
Enumeration DateMay 6, 2026
Last NPPES UpdateJune 4, 20262 updates tracked since enumeration
NPPES CertifiedJune 4, 2026
✔ NPI 1609703479 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 · 209035722
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 041501111 (IL)
1331 W 75TH ST STE 201, Naperville, IL 60540
Open in Google Maps ↗

Secondary Practice Location 1

Location 1155 E Brush Hill RdElmhurst, IL 60126-5658 · Phone (331) 221-1000

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

John Michael Wunderlich 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 ID5698247674
PECOS Enrollment IDI20260611000758
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 Reassignment

Medicare enrollment records show John Wunderlich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group
33 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

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

Hospital Affiliations CMS Care Compare

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

Edward Hospital

Acute Care Hospitals · Naperville, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140231
Location801 South WashingtonNaperville, IL 60540 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 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 14

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

CHRISTINE MARGARET SUTTON PA-C
Physician Assistant
1331 W 75TH ST STE 201
NAPERVILLE, IL 60540
Dupage County (630) 527-5000
AYESHA KHAN MD
Internal Medicine
1331 W 75TH ST STE 201
NAPERVILLE, IL 60540
Dupage County (630) 527-5000
BREANNA M. DANKO APN-CNP
Nurse Practitioner
1331 W 75TH ST STE 201
NAPERVILLE, IL 60540
Dupage County (630) 527-5000
MRS. ALISON MAUREEN LENNHARDT FNP-C
Nurse Practitioner (Family)
1331 W 75TH ST STE 201
NAPERVILLE, IL 60540
Dupage County (630) 420-1500
DR. ADAM THOMAS SCHRIEDEL M.D.
Internal Medicine
1331 W 75TH ST STE 201
NAPERVILLE, IL 60540
Dupage County (630) 527-5000
JAMES A LENGEMANN MD
Internal Medicine
1331 W 75TH ST STE 201
NAPERVILLE, IL 60540
Dupage County (630) 527-5000
DR. ANNA M. QUISTAD PSY.D.
Psychologist (Clinical)
1331 W 75TH ST STE 201
NAPERVILLE, IL 60540
Dupage County (630) 646-4658
CHRISTINE ELYSE DOSHI RD, LD, MS, CSOWM
Dietitian, Registered
1331 W 75TH ST STE 201
NAPERVILLE, IL 60540
Dupage County (630) 527-7205

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 John Wunderlich's NPI number?

The NPI number for John Wunderlich is 1609703479. It was assigned to this individual provider in the NPPES registry on May 6, 2026.

Where is John Wunderlich located?

John Wunderlich practices at 1331 W 75th St Ste 201, Naperville, IL 60540. The listed phone number is (630) 527-5000.

What is John Wunderlich's specialty?

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

Is John Wunderlich enrolled in Medicare?

Yes. John Wunderlich 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 organization bills Medicare for John Wunderlich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Wunderlich reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, IL). The 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 John Wunderlich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is John Wunderlich affiliated with any hospitals?

According to CMS data, John Wunderlich is affiliated with Edward Hospital.

When was this NPI record last updated?

The NPPES record for John Wunderlich was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.