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DR. NICHOLAS EDWARD WIRTZ M.D.
NPI 1588920144
Otolaryngology in Merriam, KS

Active since April 09, 2012PECOS EnrolledAccepts Medicare Assignment
68.34/100
CMS Quality Rating
6815 FRONTAGE RD, MERRIAM, KS 66204(913) 721-3387(816) 875-2598 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 29, 2026, Aug 23, 2024, Oct 19, 2018 (3 updates tracked since 2018).

About Dr. Nicholas Edward Wirtz M.d. NPPES

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

DR. NICHOLAS EDWARD WIRTZ M.D. (NPI 1588920144) is an individual otolaryngology provider in Merriam, Kansas, licensed in Kansas (04-41067) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Shawnee Mission, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1588920144
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameDR. NICHOLAS EDWARD WIRTZCredential: M.D.
Location Address6815 FRONTAGE RDMerriam, KS 66204-1398
Mailing Address5101 College BlvdLeawood, KS 66211-1614 · (913) 721-3387
Phone(913) 721-3387
Fax(816) 875-2598
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2012
Enumeration DateApril 9, 2012
Last NPPES UpdateMay 29, 20263 updates tracked since enumeration
NPPES CertifiedMay 29, 2026
✔ NPI 1588920144 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
Licenses✔ Licensed in KS · 04-41067✔ Licensed in MO · 2018016643
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
6815 FRONTAGE RD, Merriam, KS 66204
Open in Google Maps ↗

Secondary Practice Locations 2

Location 12800 E Rock Haven RdHarrisonville, MO 64701-4411 · Phone (816) 380-5888
Location 22340 E Meyer Blvd Ste 390Kansas City, MO 64132-1129 · Phone (816) 478-4200 · Fax (816) 875-2597

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.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

Dr. Nicholas Edward Wirtz M.d. 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 ID1951604834
PECOS Enrollment IDI20180814001931, I20180905002684
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

2

Medicare enrollment records show Nicholas Wirtz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ascentist Physicians Group, LLC
18 mi
Otolaryngology
4880 NE GOODVIEW CIRCLE
Lees Summit, MO 64064
  • Reassigned Medicare billing, Kansas and Missouri enrollments
  • 138 clinicians in this Medicare group
NPI 1649206319 (816) 478-4200
Cass Regional Medical Center
29 mi
Critical Access
2800 E ROCK HAVEN RD
Harrisonville, MO 64701
  • Reassigned Medicare billing, Missouri enrollment
  • 84 clinicians in this Medicare group
NPI 1477535326 (816) 380-3474

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 7

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.

Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
555 services25 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
105 services65 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
94 services19 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.
63 services51 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
59 services43 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
32 services32 patients

Hospital Affiliations CMS Care Compare 5

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

Adventhealth Shawnee Mission

Acute Care Hospitals · Shawnee Mission, KS
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number170104
Location9100 W 74th StreetShawnee Mission, KS 66204 · Johnson County
Emergency services Birthing friendly

Menorah Medical Center

Acute Care Hospitals · Overland Park, KS
3/5 CMS rating
OwnershipProprietary
CMS Certification Number170182
Location5721 West 119th StreetOverland Park, KS 66209 · Johnson County
Emergency services

Doctors Hospital LLC

Acute Care Hospitals · Leawood, KS
OwnershipProprietary
CMS Certification Number170194
Location4901 College BlvdLeawood, KS 66211 · Johnson County

Research Medical Center

Acute Care Hospitals · Kansas City, MO
2/5 CMS rating
OwnershipProprietary
CMS Certification Number260027
Location2316 E Meyer BlvdKansas City, MO 64132 · Jackson County
Emergency services Birthing friendly

Cass Regional Medical Center

Critical Access Hospitals · Harrisonville, MO
OwnershipGovernment - Local
CMS Certification Number261324
Location2800 E Rock Haven RoadHarrisonville, MO 64701 · Cass County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66204 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
$122.41 typical visit price
range $53.00 – $161.67
Typical copayment $30.60 (range $13.25 – $40.41)
Most-billed visit code 99204
Established Patient
$66.40 typical visit price
range $16.88 – $132.11
Typical copayment $16.60 (range $4.22 – $33.02)
Most-billed visit code 99213
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.

68.34/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.57
Promoting Interoperability100
Improvement Activities30
Cost30.42

Other Providers at the Same Location NPPES 11

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

DR. KYLE STEPHEN KIMURA M.D.
Otolaryngology
6815 FRONTAGE RD
MERRIAM, KS 66204
Johnson County (913) 721-3387
ANDREW MONTALBANO MD
Anesthesiology
6815 FRONTAGE RD
MERRIAM, KS 66204
Johnson County (816) 478-4200
RACHEL M MITCHELSON CRNA
Nurse Anesthetist, Certified Registered
6815 FRONTAGE RD
MERRIAM, KS 66204
Johnson County (816) 478-4200
ALEX M WHITEHILL CRNA
Nurse Anesthetist, Certified Registered
6815 FRONTAGE RD
MERRIAM, KS 66204
Johnson County (816) 478-4200
CURTIS JOHN BITTNER CRNA
Nurse Anesthetist, Certified Registered
6815 FRONTAGE RD
MERRIAM, KS 66204
Johnson County (816) 478-4200
MR. WILLIAM ALAN COHEN CRNA
Nurse Anesthetist, Certified Registered
6815 FRONTAGE RD
MERRIAM, KS 66204
Johnson County (816) 478-4200
JASON ANDREW SHOWMAKER M.D.
Otolaryngology
6815 FRONTAGE RD
MERRIAM, KS 66204
Johnson County (913) 721-3387
ANDREA NICOLE MACY-STURGIS APRN
Nurse Practitioner
6815 FRONTAGE RD
MERRIAM, KS 66204
Johnson County (913) 721-3387

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 Nicholas Wirtz's NPI number?

The NPI number for Nicholas Wirtz is 1588920144. It was assigned to this individual provider in the NPPES registry on April 9, 2012.

Where is Nicholas Wirtz located?

Nicholas Wirtz practices at 6815 Frontage Rd, Merriam, KS 66204. The listed phone number is (913) 721-3387.

What is Nicholas Wirtz's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Nicholas Wirtz enrolled in Medicare?

Yes. Nicholas Wirtz 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 Nicholas Wirtz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Wirtz reassigns Medicare benefits to 2 organizations: Ascentist Physicians Group, LLC (Lees Summit, MO) and Cass Regional Medical Center (Harrisonville, MO). 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 Nicholas Wirtz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Wirtz accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Anthem Blue Cross and Blue Shield and 3 other insurers list Nicholas Wirtz 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 Nicholas Wirtz affiliated with any hospitals?

According to CMS data, Nicholas Wirtz is affiliated with Adventhealth Shawnee Mission, Menorah Medical Center, Doctors Hospital LLC, Research Medical Center and Cass Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Nicholas Wirtz was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.