William Joseph Klontz, MD
Psychiatry Physician · Joplin, MO
William Joseph Klontz, MD is a psychiatry physician with a practice address in Joplin, Missouri, and NPI 1922001635, issued on May 27, 2005. Check the license (Missouri R4D32, 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 Klontz
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- R4D32 MO
Self-reported in NPPES; status is on the state search - Practice location
- 5615 W 32ND St, Joplin, MO 64804
- Phone
- (417) 627-8400
- Enumerated
- May 27, 2005
- Record last updated
- Mar 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (417) 623-1787
- Medicaid IDs
- 201882701 MO
100081340F KS
100197560A OK - Medicare enrollment
- Enrolled (PECOS I20050411001249); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1976
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 965 in Missouri → Look up another NPI →
Also registered at 5615 W 32ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tammy Axtell, LCSWClinical Social Worker1326365891
- Katey FallisAddiction (Substance Use Disorder) Counselor1932959327
- Novella Keyler, MS, LCSWClinical Social Worker1750444063
- Tina NelsonSocial Worker1962851709
- Amber Penn, BSW, MAADC IISocial Worker1811217193
- Courtney Rice, LMSWSocial Worker1538911151
Verify William Joseph Klontz 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 R4D32Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatry physician in 2024
73 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Lorazepam15 claims
- Alprazolam12 claims
- Trazodone Hcl12 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.
Bills Medicare through one group practice
- Crawford County Mental Health CenterPittsburg, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Joseph Klontz among 965 psychiatry physician records in Missouri
William Joseph Klontz, MD is one of 965 psychiatry physician records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1976 · median 2003 among the 474 with a school on file
- Record last updated2015 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 psychiatry physician records list a practice address in Joplin
They are 41 of the 2,443 NPPES records with a practice address in Joplin, and 965 psychiatry physician records in Missouri.
All 965 in Missouri → Every provider in Joplin → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Nauman Ashraf, M.D.Joplin, MO 648041639346703
- Jeffrey Bradley, MDJoplin, MO 648041891807285
- Hetvi Desai, D.O.Joplin, MO 648041609223650
- Lisset DiazJoplin, MO 648041972024347
- Oscar Gonzalez, M.D.Joplin, MO 648041881766707
- Syed Muhammad JafriJoplin, MO 648041043834583
- Matthew King, DOJoplin, MO 648041831680552
- James Orlando, M.D.Joplin, MO 648041629051123
Common questions
What is William Joseph Klontz, MD's NPI number?
William Joseph Klontz, MD's National Provider Identifier (NPI) is 1922001635, issued on May 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Joseph Klontz, MD located?
The NPPES record lists a practice address at 5615 W 32ND St, Joplin, MO, 64804. Phone: (417) 627-8400. Providers update this record themselves, so call before visiting.
How can I verify William Joseph Klontz, MD's license?
NPPES lists Missouri license number R4D32, 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 Klontz, MD prescribe under Medicare Part D?
In 2024, William Joseph Klontz, MD had 73 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.