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DR. MAXWELL MASTERS KREM MD
NPI 1346300324
Internal Medicine - Hematology & Oncology in Columbia, MO

Active since December 11, 2006PECOS EnrolledAccepts Medicare Assignment
ONE HOSPITAL DR, COLUMBIA, MO 65212(573) 882-8445(573) 884-6050 Get Directions Write a Review

NPPES record last updated: June 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Maxwell Masters Krem Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MAXWELL MASTERS KREM MD (NPI 1346300324) is an individual hematology & oncology provider in Columbia, Missouri, licensed in Missouri (2023006858) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Missouri Health Care, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1346300324
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. MAXWELL MASTERS KREMCredential: MD
Location AddressONE HOSPITAL DRColumbia, MO 65212-0001
Mailing AddressPo Box 843966Kansas City, MO 64184-3966 · (573) 884-3300 · Fax (573) 884-0943
Phone(573) 882-8445
Fax(573) 884-6050
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateDecember 11, 2006
Last NPPES UpdateJune 17, 2025
NPPES CertifiedJune 17, 2025
✔ NPI 1346300324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MO · 2023006858
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 47948 (KY)
ONE HOSPITAL DR, Columbia, MO 65212
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Maxwell Masters Krem Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4880718667
PECOS Enrollment IDI20230613003660
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Maxwell Krem reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Curators Of The University Of Missouri
0.1 mi
Multi-Specialty
1 HOSPITAL DR
Columbia, MO 65212
  • Reassigned Medicare billing, Missouri enrollment
  • 1,395 clinicians in this Medicare group
NPI 1235126921 (573) 882-4141
University Of Louisville Phyisicians, Inc.
356 mi
Interventional Pain Medicine
5129 DIXIE HWY
Louisville, KY 40216
  • Reassigned Medicare billing, Kentucky enrollment
  • Medicare enrollment name: University Of Louisville Physicians Inc
  • 2,337 clinicians in this Medicare group
NPI 1265127567 (502) 588-6000
Kentucky Medical Services Foundation, Inc
431 mi
Internal Medicine
2333 ALUMNI PARK PLZ, SUITE 200
Lexington, KY 40517
  • Reassigned Medicare billing, Kentucky enrollment
  • 1,502 clinicians in this Medicare group
NPI 1326091448 (859) 257-7910

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Missouri Health Care

Acute Care Hospitals · Columbia, MO
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number260141
LocationOne Hospital DriveColumbia, MO 65212 · Boone County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65212 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$161.24 typical visit price
range $52.28 – $161.24
Typical copayment $40.31 (range $13.07 – $40.31)
Most-billed visit code 99205
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KARI A MYLENBUSCH CRNA
Nurse Anesthetist, Certified Registered
ONE HOSPITAL DR
COLUMBIA, MO 65212
Boone County (573) 882-2568
SARAH MARIE VON THAER MD
Anesthesiology
ONE HOSPITAL DR
COLUMBIA, MO 65212
Boone County (573) 882-2568
JENNIFER MICHELLE KANDLIK F.N.P.
Nurse Practitioner (Family)
ONE HOSPITAL DR
COLUMBIA, MO 65212
Boone County (573) 882-8788
SHEILA MARIE STRUCKMEYER FNP
Nurse Practitioner (Family)
ONE HOSPITAL DR
COLUMBIA, MO 65212
Boone County (573) 884-4400
JACK DWAYNE BRAGG DO
Internal Medicine (Gastroenterology)
ONE HOSPITAL DR
COLUMBIA, MO 65212
Boone County (573) 884-8445
MRS. MEGAN ELAINE HILDERBRAND CRNA
Nurse Anesthetist, Certified Registered
ONE HOSPITAL DR
COLUMBIA, MO 65212
Boone County (573) 882-2568
CURATORS OF THE UNIVERSITY OF MISSOURI
Specialist (Research Study)
ONE HOSPITAL DR
COLUMBIA, MO 65212
Boone County (573) 884-3019
DR. LAURA E. HENDERSON KELLEY M.D, MPH
Hospitalist
ONE HOSPITAL DR
COLUMBIA, MO 65212
Boone County (573) 884-9066

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maxwell Krem's NPI number?

The NPI number for Maxwell Krem is 1346300324. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Where is Maxwell Krem located?

Maxwell Krem practices at One Hospital Dr, Columbia, MO 65212. The listed phone number is (573) 882-8445.

What is Maxwell Krem's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Maxwell Krem enrolled in Medicare?

Yes. Maxwell Krem is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Maxwell Krem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maxwell Krem reassigns Medicare benefits to 3 organizations: The Curators Of The University Of Missouri (Columbia, MO), University Of Louisville Phyisicians, Inc. (Louisville, KY) and Kentucky Medical Services Foundation, Inc (Lexington, KY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maxwell Krem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maxwell Krem accept?

Health plans from Anthem Blue Cross and Blue Shield list Maxwell Krem as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Maxwell Krem affiliated with any hospitals?

According to CMS data, Maxwell Krem is affiliated with University Of Missouri Health Care.

When was this NPI record last updated?

The NPPES record for Maxwell Krem was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.