Neal Holzum, MD - Medicare Internal Medicine in O Fallon, MO

Neal Holzum, MD is a medicare enrolled "Hospitalist" physician in O Fallon, Missouri. He went to University Of Missouri, Kansas City, School Of Medicine and graduated in 1996 and has 28 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 2 Progress Point Ct, Ste 101a, O Fallon, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 236-9945.

Neal Holzum is licensed to practice in Missouri (license number 110686) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1326011271.

Contact Information

Neal Holzum, MD
2 Progress Point Ct, Ste 101a,
O Fallon, MO 63368-2208
(636) 236-9945
Not Available

Map and Direction




Physician's Profile

Full NameNeal Holzum
GenderMale
SpecialityInternal Medicine
Experience28 Years
Location2 Progress Point Ct, O Fallon, Missouri
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Neal Holzum attended and graduated from University Of Missouri, Kansas City, School Of Medicine in 1996
  NPI Data:
  • NPI Number: 1326011271
  • Provider Enumeration Date: 02/10/2006
  • Last Update Date: 11/25/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 7416936190
  • Enrollment ID: I20040716000000

Medical Identifiers

Medical identifiers for Neal Holzum such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326011271NPI-NPPES
205262405MedicaidMO
1326011271MedicaidMO
P00664284OtherMORAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 110686 (Missouri)Secondary
208M00000XHospitalist 110686 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Bjc HospiceSaint louis, MOHospice
Progress West HospitalO fallon, MOHospital
Barnes-jewish St Peters HospitalSaint peters, MOHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Neal Holzum allows following entities to bill medicare on his behalf.
Entity NameHolzum Healthcare Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720231483
PECOS PAC ID: 4981766607
Enrollment ID: O20081215000238

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Neal Holzum is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Neal Holzum, MD
Po Box 1125,
Maryland Heights, MO 63043-0125

Ph: (314) 432-2580
Neal Holzum, MD
2 Progress Point Ct, Ste 101a,
O Fallon, MO 63368-2208

Ph: (636) 236-9945

Reviews and Comments


Hospitalist Doctors in O Fallon, MO


Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.