DR. RENA BETH ZIMMERMAN M.D.
NPI 1851350318
Radiology - Radiation Oncology in Mchenry, IL

Active since March 22, 2006PECOS EnrolledAccepts Medicare Assignment
4305 W MEDICAL CENTER DR, MCHENRY, IL 60050(815) 344-8000(815) 759-4075 Get Directions Write a Review

NPPES record last updated: September 24, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 26, 2022, Feb 8, 2019, Oct 12, 2018 and 2 more (5 updates tracked since 2018).

About Dr. Rena Beth Zimmerman M.d. NPPES

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

DR. RENA BETH ZIMMERMAN M.D. (NPI 1851350318) is an individual radiation oncology provider in Mchenry, Illinois, licensed in Illinois (036071196) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Bryan Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1851350318
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameDR. RENA BETH ZIMMERMANCredential: M.D.
Location Address4305 W MEDICAL CENTER DRMchenry, IL 60050-8425
Mailing AddressPo Box 734138Chicago, IL 60673-4138 · (815) 344-8000 · Fax (815) 759-4075
Fax(815) 759-4075
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateMarch 22, 2006
Last NPPES UpdateSeptember 24, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2025
NPI 1851350318 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses Licensed in IL · 036071196 Licensed in OH · 35053193Z Licensed in ND · PT20525
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
4305 W MEDICAL CENTER DR, Mchenry, IL 60050

Secondary Practice Locations 2

Location 12305 37th Ave SWMinot, ND 58701-7669 · Phone (701) 418-8000
Location 2831 S BroadwayMinot, ND 58701-4636 · Phone (701) 418-8000

Other Identifiers 3

OtherG8889434Medicare
Medicaid0671849OH
OtherP000813208Medicare Railroad

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. Rena Beth Zimmerman M.d. 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 ID9537058417
PECOS Enrollment IDI20040311000183, I20250130002430
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 17

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.

Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
266 services22 patients
Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
189 services20 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
54 services23 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
51 services21 patients
Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
50 services16 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
37 services14 patients

Hospital Affiliations CMS Care Compare 4

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

Bryan Medical Center

Acute Care Hospitals · Lincoln, NE
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number280003
Location1600 South 48th StLincoln, NE 68506 · Lancaster County
Emergency services Birthing friendly

Faith Regional Health Services

Acute Care Hospitals · Norfolk, NE
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number280125
Location2700 West Norfolk AveNorfolk, NE 68701 · Madison County
Emergency services Birthing friendly

Avera St Anthony's Hospital

Critical Access Hospitals · O' Neill, NE
OwnershipVoluntary non-profit - Church
CMS Certification Number281329
Location300 North 2nd StO' Neill, NE 68763 · Holt County
Emergency services

Genesis Hospital

Acute Care Hospitals · Zanesville, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360039
Location2951 Maple AvenueZanesville, OH 43701 · Muskingum County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60050 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
$168.44 typical visit price
range $54.80 – $168.44
Typical copayment $42.11 (range $13.70 – $42.11)
Most-billed visit code 99205
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type L8000
DME-Orthotic Devices · category DF000N
1 supplier48 claims113 services$32.33 avg. paid by Medicare
Breast prosthesis, mastectomy form L8020
DME-Orthotic Devices · category DF000N
1 supplier11 claims11 services$41.73 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

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

Radiology (Radiation Oncology)
4305 W MEDICAL CENTER DR
MCHENRY, IL 60050
Clinical Nurse Specialist (Oncology)
4305 W MEDICAL CENTER DR
MCHENRY, IL 60050
Genetic Counselor, MS
4305 W MEDICAL CENTER DR
MCHENRY, IL 60050
Radiology (Radiation Oncology)
4305 W MEDICAL CENTER DR
MCHENRY, IL 60050
Radiology (Radiation Oncology)
4305 W MEDICAL CENTER DR
MCHENRY, IL 60050
Internal Medicine (Hematology & Oncology)
4305 W MEDICAL CENTER DR, STE 1
MCHENRY, IL 60050
Dietitian, Registered (Nutrition, Oncology)
4305 W MEDICAL CENTER DR
MCHENRY, IL 60050

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 Rena Zimmerman's NPI number?

The NPI number for Rena Zimmerman is 1851350318. It was assigned to this individual provider in the NPPES registry on March 22, 2006.

Where is Rena Zimmerman located?

Rena Zimmerman practices at 4305 W Medical Center Dr, Mchenry, IL 60050. The listed phone number is (815) 344-8000.

What is Rena Zimmerman's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Rena Zimmerman enrolled in Medicare?

Yes. Rena Zimmerman 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 Rena Zimmerman accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Nebraska and 5 other insurers list Rena Zimmerman 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 Rena Zimmerman affiliated with any hospitals?

According to CMS data, Rena Zimmerman is affiliated with Bryan Medical Center, Faith Regional Health Services, Avera St Anthony's Hospital and Genesis Hospital.

When was this NPI record last updated?

The NPPES record for Rena Zimmerman was last updated on September 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.