William Joseph Nienaber, MD
Cardiovascular Disease Physician · Cape Girardeau, MO
William Joseph Nienaber, MD is a cardiovascular disease physician with a practice address in Cape Girardeau, Missouri, and NPI 1720296940, issued on May 20, 2007. Check the license (Missouri 2007033628, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William Joseph Nienaber
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 2007033628 MO
Self-reported in NPPES; status is on the state search - Practice location
- 211 Saint Francis Dr Ste 15, Cape Girardeau, MO 63703
- Phone
- (573) 331-3333
- Enumerated
- May 20, 2007
- Record last updated
- Mar 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (573) 331-3334
- Medicaid ID
- 1720296940 WY
- Medicare enrollment
- Enrolled (PECOS I20140326001477); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 446 in Missouri → Look up another NPI →
Also registered at 211 Saint Francis Dr Ste 15
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kailey Bell, FNPFamily Nurse Practitioner1174456388
- Jena Brown, C.N.S.Adult Health Clinical Nurse Specialist1154673465
- Deborah DrummondNurse Practitioner1134772460
- Joseph Dwyer, MDCardiovascular Disease Physician1720062532
- Dennis Glascock, DOClinical Cardiac Electrophysiology Physician1164424461
- Amanda Hamm, APRN, FNP-BCFamily Nurse Practitioner1376095505
Verify William Joseph Nienaber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2007033628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average cardiovascular disease physician in 2024
3,208 Medicare Part D claims for 342 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate518 claims
- Furosemide337 claims
- Eliquis304 claims
- Metoprolol Tartrate160 claims
- Atorvastatin Calcium157 claims
- Amiodarone Hcl122 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $196.62
4 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Saint Francis Medical CenterScott City, MO · Acute Care Hospitals3 of 5 stars
- Internal Medicine Associates OF Southeast Missouri LLCPoplar Bluff, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
William Joseph Nienaber among 446 cardiovascular disease physician records in Missouri
William Joseph Nienaber, MD is one of 446 cardiovascular disease physician records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 60% of them.
- NPI issued2007 · 60% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 1998 among the 293 with a school on file
- Record last updated2021 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Missouri
There are 446 cardiovascular disease physician records in Missouri.
All 446 in Missouri → Every provider in Cape Girardeau → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Bryan Beck, MDCape Girardeau, MO 637031720018179
- Joseph Dwyer, MDCape Girardeau, MO 637031720062532
- Billy A Hammond, MDCape Girardeau, MO 637031407806599
- Rebecca Smith, M.D.Cape Girardeau, MO 637031083684583
- Gordon Haycraft, MDCape Girardeau, MO 637011922105220
- Matthew Bosner, MDSte Genevieve, MO 636701922088749
- Pervez Alvi, M.D.Farmington, MO 636401932160348
- Mark Chin, MDFarmington, MO 636401104872381
Common questions
What is William Joseph Nienaber, MD's NPI number?
William Joseph Nienaber, MD's National Provider Identifier (NPI) is 1720296940, issued on May 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Joseph Nienaber, MD located?
The NPPES record lists a practice address at 211 Saint Francis Dr Ste 15, Cape Girardeau, MO, 63703. Phone: (573) 331-3333. Providers update this record themselves, so call before visiting.
How can I verify William Joseph Nienaber, MD's license?
NPPES lists Missouri license number 2007033628, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Joseph Nienaber, MD prescribe under Medicare Part D?
In 2024, William Joseph Nienaber, MD had 3,208 Medicare Part D claims for 342 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.