Neal Holzum, MD
Hospitalist Physician · O Fallon, MO
Neal Holzum, MD is a hospitalist physician with a practice address in O Fallon, Missouri, and NPI 1326011271, issued on Feb 10, 2006. Check the license (Missouri 110686, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Neal Holzum
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 110686 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2 Progress Point CT, O Fallon, MO 63368
- Phone
- (636) 236-9945
- Enumerated
- Feb 10, 2006
- Record last updated
- Nov 25, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid IDs
- 205262405 MO
1326011271 MO - Medicare enrollment
- Enrolled (PECOS I20040716000000); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 930 in Missouri → Look up another NPI →
Also registered at 2 Progress Point CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kris Gallina, CRNACertified Registered Nurse Anesthetist1023258332
- Sandra Habermaas-Herold, CRNACertified Registered Nurse Anesthetist1487840450
Verify Neal Holzum 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 110686Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average hospitalist physician in 2024
819 Medicare Part D claims for 351 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 76 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass62 claims
- Pantoprazole Sodium42 claims
- Furosemide38 claims
- Metoprolol Tartrate38 claims
- Amlodipine Besylate30 claims
- Hydrocodone-Acetaminophen30 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.
Neal Holzum among 930 hospitalist physician records in Missouri
Neal Holzum, MD is one of 930 hospitalist physician records with a practice address in Missouri. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 83% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1996 · median 2014 among the 715 with a school on file
- Record last updated2009 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Missouri
There are 930 hospitalist physician records in Missouri.
All 930 in Missouri → Every provider in O Fallon → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Anna Bailey Berkley, MDSaint Peters, MO 633761811482250
- Sara Jensen, MDSaint Peters, MO 633761821738436
- Brett Malone, M.D.Saint Peters, MO 633761689962409
- Saima Azad, MDHannibal, MO 634011902542319
- Samer El-Dirani, MDHannibal, MO 634011891996039
- Nicolai Zhidkov, MDHannibal, MO 634011851811434
- Yaseen Adam, MDSaint Louis, MO 631411932278587
- Kamran Baig, MDSaint Louis, MO 631411285711747
Common questions
What is Neal Holzum, MD's NPI number?
Neal Holzum, MD's National Provider Identifier (NPI) is 1326011271, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Neal Holzum, MD located?
The NPPES record lists a practice address at 2 Progress Point CT, O Fallon, MO, 63368. Phone: (636) 236-9945. Providers update this record themselves, so call before visiting.
How can I verify Neal Holzum, MD's license?
NPPES lists Missouri license number 110686, 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 Neal Holzum, MD prescribe under Medicare Part D?
In 2024, Neal Holzum, MD had 819 Medicare Part D claims for 351 beneficiaries; the average among hospitalist physician prescribers was 521. 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.