CATHERINE MEYER MD
NPI 1457338246
Internal Medicine - Rheumatology in Chicago, IL

NPI Status: Active since December 22, 2005

Contact Information

2525 S MICHIGAN AVE
B-522
CHICAGO, IL
ZIP 60616
Phone: (312) 567-6691
Fax: (312) 567-6156

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  • Individual
  • Female
  • Internal Medicine
  • Rheumatology

About CATHERINE MEYER

This page provides the complete NPI Profile along with additional information for Catherine Meyer, an internist established in Chicago, Illinois with a medical specialization in Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1457338246 assigned on December 2005. The practitioner's primary taxonomy code is 207RR0500X with license number 036075408 (IL). The provider is registered as an individual and her NPI record was last updated 14 years ago.

NPI
1457338246
Provider Name
CATHERINE MEYER MD
Gender
Female
Entity Type
Individual
Location Address
2525 S MICHIGAN AVE B-522 CHICAGO, IL 60616
Location Phone
(312) 567-6691
Location Fax
(312) 567-6156
Mailing Address
2525 S MICHIGAN AVE B-522 CHICAGO, IL 60616
Mailing Phone
(312) 567-6691
Mailing Fax
(312) 567-6156
Is Sole Proprietor?
Yes
Enumeration Date
12-22-2005
Last Update Date
12-28-2011
Code Navigator

An internist like Catherine Meyer 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 Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
License No.
036075408
License State
IL
Taxonomy Description
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

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.

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
E 42144MEDICARE UPIN (02)IL 
01621679OTHER (01)ILBCBS OF IL
950080MEDICARE ID-TYPE UNSPECIFIED (04)ILGROUP 950150
036075408 / 02MEDICAID (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 1457338246, 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
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
4
Doubled → 8
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 5 → 10 → 1 3 → 6 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 6 + 3 + 1 + 6 + 2 + 8 + 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 1457338246.

Other Providers at the Same Location


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

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Social Worker (Clinical)
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Psychologist (Clinical)
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Obstetrics & Gynecology
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Obstetrics & Gynecology
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Obstetrics & Gynecology
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Counselor (Mental Health)
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Obstetrics & Gynecology
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Social Worker (Clinical)
2525 S MICHIGAN AVE, B-390
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Obstetrics & Gynecology
2525 S MICHIGAN AVE, B-390
CHICAGO, IL 60616
Surgery
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CHICAGO, IL 60616
Internal Medicine
2525 S MICHIGAN AVE, B-390
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Pediatrics
2525 S MICHIGAN AVE, B-390
CHICAGO, IL 60616
Internal Medicine (Rheumatology)
2525 S MICHIGAN AVE, DOCTORS OFFICE CENTER - 2ND FLOOR
CHICAGO, IL 60616
Internal Medicine (Hematology & Oncology)
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Pediatrics (Neonatal-Perinatal Medicine)
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457338246, enumerated as an "individual" on December 22, 2005.

The provider is located at 2525 S MICHIGAN AVE B-522 CHICAGO, IL 60616 and the phone number is (312) 567-6691.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.

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