DR. JOHN A KEFER M.D.
NPI 1477549103
Internal Medicine - Cardiovascular Disease in Geneva, IL

NPI Status: Active since September 27, 2005

Contact Information

351 DELNOR DR
GENEVA, IL
ZIP 60134
Phone: (630) 232-0280
Fax: (630) 232-3895

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease
  • PECOS Enrolled

About JOHN KEFER

This page provides the complete NPI Profile along with additional information for John Kefer, an internist established in Geneva, Illinois with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1477549103 assigned on September 2005. The practitioner's primary taxonomy code is 207RC0000X with license number 036050847 (IL). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1477549103
Provider Name
DR. JOHN A KEFER M.D.
Gender
Male
Entity Type
Individual
Location Address
351 DELNOR DR GENEVA, IL 60134
Location Phone
(630) 232-0280
Location Fax
(630) 232-3895
Mailing Address
351 DELNOR DR GENEVA, IL 60134
Mailing Phone
(630) 232-0280
Mailing Fax
(630) 232-3895
Is Sole Proprietor?
No
Enumeration Date
09-27-2005
Last Update Date
01-31-2018
Code Navigator

An internist like John Kefer 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
036050847
License State
IL
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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
206147OTHER (01)ILMEDICARE PTAN (GROUP)
036050847MEDICAID (05)IL 
206147052OTHER (01)ILMEDICARE PTAN (INDIVIDUAL)

Medicare Participation & PECOS Enrollment Status

John Kefer is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 60134 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $137.43
  • Minimum New Patient Price $59.81
  • Maximum New Patient Price $181.38
  • Average New Patient Copayment $34.35
  • Minimum New Patient Copayment $14.95
  • Maximum New Patient Copayment $45.34

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $74.38
  • Minimum Established Patient Price $19.15
  • Maximum Established Patient Price $147.12
  • Average Established Patient Copayment $18.59
  • Minimum Established Patient Copayment $4.78
  • Maximum Established Patient Copayment $36.78

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Reviews for DR. JOHN A KEFER M.D.

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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 1477549103, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
0
Doubled → 0
Check
3
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 5 → 10 → 1 9 → 18 → 9 0 → 0

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 + 0 + 4 + 1 + 8 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1477549103.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
351 DELNOR DR, SUITE 100
GENEVA, IL 60134
Internal Medicine (Cardiovascular Disease)
351 DELNOR DR, SUITE 100
GENEVA, IL 60134
Orthopaedic Surgery
351 DELNOR DR, SUITE 406
GENEVA, IL 60134
Nurse Practitioner
351 DELNOR DR, SUITE 300
GENEVA, IL 60134
Physician Assistant
351 DELNOR DR, SUITE 400
GENEVA, IL 60134
Internal Medicine (Hematology & Oncology)
351 DELNOR DR, SUITE 410
GENEVA, IL 60134
Nurse Practitioner
351 DELNOR DR
GENEVA, IL 60134
Internal Medicine (Hematology & Oncology)
351 DELNOR DR
GENEVA, IL 60134
Podiatrist (Foot & Ankle Surgery)
351 DELNOR DR
GENEVA, IL 60134
Physician Assistant
351 DELNOR DR
GENEVA, IL 60134
Internal Medicine (Cardiovascular Disease)
351 DELNOR DR, SUITE 100
GENEVA, IL 60134
Obstetrics & Gynecology
351 DELNOR DR
GENEVA, IL 60134
Internal Medicine (Hematology & Oncology)
351 DELNOR DR
GENEVA, IL 60134
Dermatology
351 DELNOR DR, STE. 400
GENEVA, IL 60134
Internal Medicine (Hematology & Oncology)
351 DELNOR DR, SUITE 410
GENEVA, IL 60134
Surgery
351 DELNOR DR
GENEVA, IL 60134
Obstetrics & Gynecology (Obstetrics)
351 DELNOR DR
GENEVA, IL 60134
Internal Medicine (Cardiovascular Disease)
351 DELNOR DR
GENEVA, IL 60134
Family Medicine
351 DELNOR DR
GENEVA, IL 60134
Neurological Surgery
351 DELNOR DR
GENEVA, IL 60134

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477549103, enumerated as an "individual" on September 27, 2005.

The provider is located at 351 DELNOR DR GENEVA, IL 60134 and the phone number is (630) 232-0280.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

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