KAREN L. HOELZER M.D.
NPI 1477659126
Internal Medicine - Medical Oncology in Springfield, IL

NPI Status: Active since September 16, 2006

Contact Information

900 N. 1ST STREET
SPRINGFIELD, IL
ZIP 62702
Phone: (217) 528-7541
Fax: (217) 527-2830

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  • Individual
  • Female
  • Internal Medicine
  • Medical Oncology

About KAREN HOELZER

This page provides the complete NPI Profile along with additional information for Karen Hoelzer, an internist established in Springfield, Illinois with a medical specialization in Internal Medicine, focusing in medical oncology . The healthcare provider is registered in the NPI registry with number 1477659126 assigned on September 2006. The practitioner's primary taxonomy code is 207RX0202X with license number 036-070406 (IL). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI
1477659126
Provider Name
KAREN L. HOELZER M.D.
Other Name
KAREN L. BREKKE
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
900 N. 1ST STREET SPRINGFIELD, IL 62702
Location Phone
(217) 528-7541
Location Fax
(217) 527-2830
Mailing Address
1025 S 6TH ST SPRINGFIELD, IL 62703
Mailing Phone
(217) 528-7541
Is Sole Proprietor?
No
Enumeration Date
09-16-2006
Last Update Date
07-31-2014
Code Navigator

An internist like Karen Hoelzer is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Medical Oncology

Taxonomy Code
207RX0202X
Type
Allopathic & Osteopathic Physicians
License No.
036-070406
License State
IL
Taxonomy Description
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
C46230MEDICARE UPIN (02) 
K24284MEDICARE ID-TYPE UNSPECIFIED (04) 
036070406MEDICAID (05)IL 

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1477659126, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 7 → 14 → 5 6 → 12 → 3 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 1 + 4 + 7 + 1 + 2 + 5 + 1 + 8 + 1 + 4 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1477659126.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Surgery
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Internal Medicine (Hematology & Oncology)
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Internal Medicine (Hematology & Oncology)
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Surgery
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Internal Medicine (Hematology & Oncology)
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Nurse Practitioner
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Colon & Rectal Surgery
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Internal Medicine (Hematology & Oncology)
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Physician Assistant
900 N. 1ST STREET
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
900 N. 1ST STREET
SPRINGFIELD, IL 62702

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477659126, enumerated as an "individual" on September 16, 2006.

The provider is located at 900 N. 1ST STREET SPRINGFIELD, IL 62702 and the phone number is (217) 528-7541.

Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.