DR. DEREJE T SIYUM MD
NPI 1164981007
Hospitalist in Milwaukee, WI

Active since March 19, 2019PECOS EnrolledAccepts Medicare Assignment
945 N 12TH ST, MILWAUKEE, WI 53233(414) 219-7427(414) 219-6078 Get Directions Write a Review

NPPES record last updated: May 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 17, 2026, Jun 11, 2025, Nov 16, 2022 and 4 more (7 updates tracked since 2019).

About Dr. Dereje T Siyum Md NPPES

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

DR. DEREJE T SIYUM MD (NPI 1164981007) is an individual hospitalist provider in Milwaukee, Wisconsin, licensed in Wisconsin (74852) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Aurora Memorial Hospital Burlington, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1164981007
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. DEREJE T SIYUMCredential: MD
Location Address945 N 12TH STMilwaukee, WI 53233-1305
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Fax(414) 219-6078
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMarch 19, 2019
Last NPPES UpdateMay 17, 20267 updates tracked since enumeration
NPPES CertifiedMay 17, 2026
NPI 1164981007 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in WI · 74852
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 74852-20 (WI)
Also ListedInternal Medicine · Obesity MedicineTaxonomy 207RB0002X · License 74852-20 (WI)
Also ListedPreventive Medicine · Obesity MedicineTaxonomy 2083B0002X · License 74852-20 (WI)
Also ListedPreventive Medicine · Clinical InformaticsTaxonomy 2083C0008X · License 74852-20 (WI)
945 N 12TH ST, Milwaukee, WI 53233

Other Identifiers 1

Medicaid100202312WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Dereje T Siyum 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 ID6305227802
PECOS Enrollment IDI20220714002927
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
204 services90 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
86 services26 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
69 services68 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
35 services34 patients

Hospital Affiliations CMS Care Compare 5

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

Aurora Memorial Hospital Burlington

Acute Care Hospitals · Burlington, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520059
Location252 Mchenry StBurlington, WI 53105 · Racine County
Emergency services

Aurora Lakeland Medical Center

Acute Care Hospitals · Elkhorn, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520102
LocationW3985 County Road NnElkhorn, WI 53121 · Walworth County
Emergency services Birthing friendly

Bay Area Medical Center

Acute Care Hospitals · Marinette, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520113
Location3003 University DrMarinette, WI 54143 · Marinette County
Emergency services Birthing friendly

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

Aurora Medical Center - Summit

Acute Care Hospitals · Summit, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520206
Location36500 Aurora DriveSummit, WI 53066 · Waukesha County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53233 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

Family Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Nurse Practitioner
945 N 12TH ST
MILWAUKEE, WI 53233
Physician Assistant
945 N 12TH ST
MILWAUKEE, WI 53233
Emergency Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Registered Nurse
945 N 12TH ST
MILWAUKEE, WI 53233
Registered Nurse (Registered Nurse First Assistant)
945 N 12TH ST
MILWAUKEE, WI 53233
Clinic/Center (Federally Qualified Health Center (FQHC))
945 N 12TH ST, URGENT CARE
MILWAUKEE, WI 53233
Anesthesiologist Assistant
945 N 12TH ST
MILWAUKEE, WI 53233

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 Dereje Siyum's NPI number?

The NPI number for Dereje Siyum is 1164981007. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is Dereje Siyum located?

Dereje Siyum practices at 945 N 12th St, Milwaukee, WI 53233. The listed phone number is (414) 219-7427.

What is Dereje Siyum's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Dereje Siyum enrolled in Medicare?

Yes. Dereje Siyum 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.

What insurance does Dereje Siyum accept?

Health plans from CareSource (Common Ground Healthcare) list Dereje Siyum 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 Dereje Siyum affiliated with any hospitals?

According to CMS data, Dereje Siyum is affiliated with Aurora Memorial Hospital Burlington, Aurora Lakeland Medical Center, Bay Area Medical Center, Aurora St Lukes Medical Center and Aurora Medical Center - Summit.

When was this NPI record last updated?

The NPPES record for Dereje Siyum was last updated on May 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.