Rex K. Crumpacker, MD
Anesthesiology Physician · Joplin, MO
Rex K. Crumpacker, MD is an anesthesiology physician with a practice address in Joplin, Missouri, and NPI 1598704967, issued on Jun 4, 2006. Check the license (Missouri 107820, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Rex K. Crumpacker
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 107820 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1102 West 32ND Street, Joplin, MO 64804
- Phone
- (417) 347-1078
- Enumerated
- Jun 4, 2006
- Record last updated
- Oct 18, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (417) 347-1079
- Medicare enrollment
- Enrolled (PECOS I20071113000282); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1990
- Entity
- Type 1 · individual
Also registered at 1102 West 32ND Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Blubaugh, DOEmergency Medicine Physician1083654099
- John Cox, DOCardiovascular Disease Physician1669418612
- Dennis Estep, DOOccupational Medicine Physician1528162609
- Jeffrey Green, DOEmergency Medicine Physician1750398053
- Magaral Hari, MDAnesthesiology Physician1215975628
- Michael Hill, MDAnesthesiology Physician1558316232
Verify Rex K. Crumpacker 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 107820Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 64.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $16.30
1 payment: food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 17,774 providers of this specialty with any payment received $669.59 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.
Bills Medicare through one group practice
- Freeman-Oak Hill Health SystemJoplin, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
23 anesthesiology physician records list a practice address in Joplin
They are 23 of the 2,443 NPPES records with a practice address in Joplin, and 1,153 anesthesiology physician records in Missouri.
All 23 in Joplin → All 1,153 in Missouri → Every provider in Joplin →
Other anesthesiology physician records in Missouri
- Nabil Abboud, MDSaint Louis, MO1386660504
- Frederick Abele, M.D.Saint Louis, MO1346245354
- Ahmad Abou Leila, MDColumbia, MO1861741126
- Dustan Afshar, D.OSpringfield, MO1245618370
- Kaleb AfsharSpringfield, MO1003310608
- Mayank Agarwal, MD, MSESaint Louis, MO1083134134
- Sirajuddin Agha, MDSaint Louis, MO1750309225
- Chad Agnew, M.D.Branson, MO1689985392
- Naila Ahmad, M.D.Saint Louis, MO1477593044
- Christopher Ahrens, D.O.Saint Louis, MO1235426297
Common questions
What is Rex K. Crumpacker, MD's NPI number?
Rex K. Crumpacker, MD's National Provider Identifier (NPI) is 1598704967, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rex K. Crumpacker, MD located?
The NPPES record lists a practice address at 1102 West 32ND Street, Joplin, MO, 64804. Phone: (417) 347-1078. Providers update this record themselves, so call before visiting.
How can I verify Rex K. Crumpacker, MD's license?
NPPES lists Missouri license number 107820, 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.
What is Rex K. Crumpacker, MD's MIPS final score?
The 2023 MIPS final score is 64.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.