DR. WILLIAM JOSEPH NIENABER MD
NPI 1720296940
Internal Medicine - Cardiovascular Disease in Cape Girardeau, MO

Active since May 20, 2007PECOS EnrolledAccepts Medicare Assignment
211 SAINT FRANCIS DR STE 15, CAPE GIRARDEAU, MO 63703(573) 331-3333(573) 331-3334 Get Directions Write a Review

NPPES record last updated: March 1, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Joseph Nienaber Md NPPES

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

DR. WILLIAM JOSEPH NIENABER MD (NPI 1720296940) is an individual cardiovascular disease provider in Cape Girardeau, Missouri, licensed in Missouri (2007033628) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Southeast, and is a graduate of Creighton University School Of Medicine (2005).

NPPES Registry Identity

NPI1720296940
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. WILLIAM JOSEPH NIENABERCredential: MD
Location Address211 SAINT FRANCIS DR STE 15Cape Girardeau, MO 63703-5049
Mailing AddressPo Box 801143Kansas City, MO 64180-1143 · (573) 331-5583 · Fax (573) 331-5079
Fax(573) 331-3334
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 2005
Enumeration DateMay 20, 2007
Last NPPES UpdateMarch 1, 2021
NPPES CertifiedMarch 1, 2021
NPI 1720296940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in MO · 2007033628
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
211 SAINT FRANCIS DR STE 15, Cape Girardeau, MO 63703

Other Identifiers 2

Medicaid1720296940WY
Other9019AWY · License

Accepted Insurance

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

Dr. William Joseph Nienaber Md 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 ID2264507854
PECOS Enrollment IDI20140326001477
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 15

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
3,234 services2,349 patients
Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005
An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.
481 services466 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
360 services358 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018
An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.
286 services284 patients
Heart muscle strain imaging 93356
Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.
190 services187 patients
Nuclear medicine studies of heart muscle at rest and with stress and spect 78452
Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.
173 services173 patients

Hospital Affiliations CMS Care Compare 5

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

Mercy Hospital Southeast

Acute Care Hospitals · Cape Girardeau, MO
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260110
Location1701 Lacey StCape Girardeau, MO 63701 · Cape Girardeau County
Emergency services Birthing friendly

Missouri Delta Medical Center

Acute Care Hospitals · Sikeston, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260113
Location1008 North Main StSikeston, MO 63801 · Scott County
Emergency services Birthing friendly

Poplar Bluff Regional Medical Center

Acute Care Hospitals · Poplar Bluff, MO
2/5 CMS rating
OwnershipProprietary
CMS Certification Number260119
Location3100 Oak Grove RoadPoplar Bluff, MO 63901 · Butler County
Emergency services Birthing friendly

Saint Francis Medical Center

Acute Care Hospitals · Cape Girardeau, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260183
Location211 St Francis DrCape Girardeau, MO 63703 · Cape Girardeau County
Emergency services Birthing friendly

Mercy Hospital Perry

Critical Access Hospitals · Perryville, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number261311
Location434 North West StreetPerryville, MO 63775 · Perry County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63703 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
$121.96 typical visit price
range $52.28 – $161.24
Typical copayment $30.49 (range $13.07 – $40.31)
Most-billed visit code 99204
Established Patient
$65.71 typical visit price
range $16.30 – $131.05
Typical copayment $16.42 (range $4.07 – $32.76)
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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
3 suppliers12 claims12 services$46.24 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
5 suppliers11 claims11 services$119.87 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
4 suppliers20 claims22 services$40.66 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
5 suppliers15 claims15 services$23.41 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
5 suppliers30 claims89 services$3.01 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
4 suppliers35 claims35 services$49.92 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine (Interventional Cardiology)
211 SAINT FRANCIS DR STE 15
CAPE GIRARDEAU, MO 63703
Nurse Practitioner
211 SAINT FRANCIS DR STE 15
CAPE GIRARDEAU, MO 63703
Clinical Nurse Specialist (Adult Health)
211 SAINT FRANCIS DR STE 15
CAPE GIRARDEAU, MO 63703
Internal Medicine (Clinical Cardiac Electrophysiology)
211 SAINT FRANCIS DR STE 15
CAPE GIRARDEAU, MO 63703
Nurse Practitioner (Adult Health)
211 SAINT FRANCIS DR STE 15
CAPE GIRARDEAU, MO 63703
Nurse Practitioner (Family)
211 SAINT FRANCIS DR STE 15
CAPE GIRARDEAU, MO 63703
Internal Medicine (Interventional Cardiology)
211 SAINT FRANCIS DR STE 15
CAPE GIRARDEAU, MO 63703
Nurse Practitioner (Adult Health)
211 SAINT FRANCIS DR STE 15
CAPE GIRARDEAU, MO 63703

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 William Nienaber's NPI number?

The NPI number for William Nienaber is 1720296940. It was assigned to this individual provider in the NPPES registry on May 20, 2007.

Where is William Nienaber located?

William Nienaber practices at 211 Saint Francis Dr Ste 15, Cape Girardeau, MO 63703. The listed phone number is (573) 331-3333.

What is William Nienaber's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is William Nienaber enrolled in Medicare?

Yes. William Nienaber 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.

What insurance does William Nienaber accept?

Health plans from Medica and UnitedHealthcare list William Nienaber 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 William Nienaber affiliated with any hospitals?

According to CMS data, William Nienaber is affiliated with Mercy Hospital Southeast, Missouri Delta Medical Center, Poplar Bluff Regional Medical Center, Saint Francis Medical Center and Mercy Hospital Perry.

When was this NPI record last updated?

The NPPES record for William Nienaber was last updated on March 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.