REBECCA OCHS-MERCER
NPI 1124400643
Obstetrics & Gynecology in Chicago, IL

NPI Status: Active since June 20, 2015

Contact Information

250 E SUPERIOR ST
CHICAGO, IL
ZIP 60611
Phone: (312) 926-2000
Fax: (312) 472-0141

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  • Individual
  • Female
  • Obstetrics & Gynecology

About REBECCA OCHS-MERCER

This page provides the complete NPI Profile along with additional information for Rebecca Ochs-mercer, a women's health care provider established in Chicago, Illinois with a medical specialization in Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1124400643 assigned on June 2015. The practitioner's primary taxonomy code is 207V00000X with license number 036149949 (IL). The provider is registered as an individual and her NPI record was last updated 6 years ago.

NPI
1124400643
Provider Name
REBECCA OCHS-MERCER
Gender
Female
Entity Type
Individual
Location Address
250 E SUPERIOR ST CHICAGO, IL 60611
Location Phone
(312) 926-2000
Location Fax
(312) 472-0141
Mailing Address
250 E SUPERIOR ST CHICAGO, IL 60611
Mailing Phone
(312) 926-2000
Mailing Fax
(312) 472-0141
Is Sole Proprietor?
Yes
Enumeration Date
06-20-2015
Last Update Date
03-24-2020
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Women's health care providers like Rebecca Ochs-mercer treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.

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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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License No.
036149949
License State
IL
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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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 1124400643, 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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
0
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
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 2 → 4 4 → 8 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 8 + 0 + 0 + 6 + 8 + 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 1124400643.

Other Providers at the Same Location


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

Radiology (Diagnostic Radiology)
250 E SUPERIOR ST, LYNN SAGE BREAST CENTER, 4TH FLOOR
CHICAGO, IL 60611
Genetic Counselor, MS
250 E SUPERIOR ST, SUITE 05-2221
CHICAGO, IL 60611
Pediatrics
250 E SUPERIOR ST, 5-2149
CHICAGO, IL 60611
Physician Assistant (Medical)
250 E SUPERIOR ST, PRENTICE, 4-420
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
250 E SUPERIOR ST, RM 4-2304
CHICAGO, IL 60611
Obstetrics & Gynecology
250 E SUPERIOR ST
CHICAGO, IL 60611
Nurse Practitioner (Neonatal, Critical Care)
250 E SUPERIOR ST
CHICAGO, IL 60611
Psychologist (Clinical)
250 E SUPERIOR ST
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
250 E SUPERIOR ST, RM. 4-2304
CHICAGO, IL 60611
Nurse Practitioner
250 E SUPERIOR ST, PRENTICE 05-2136
CHICAGO, IL 60611
Pharmacist (Oncology)
250 E SUPERIOR ST, 15 PRENTICE PHARMACY
CHICAGO, IL 60611
Surgery
250 E SUPERIOR ST, SUITE 4-420
CHICAGO, IL 60611
Genetic Counselor, MS
250 E SUPERIOR ST, 05-2221
CHICAGO, IL 60611
Internal Medicine (Hematology & Oncology)
250 E SUPERIOR ST, SUITE 03-2303
CHICAGO, IL 60611
Advanced Practice Midwife
250 E SUPERIOR ST
CHICAGO, IL 60611
Surgery (Surgical Oncology)
250 E SUPERIOR ST, SUITE 420
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
250 E SUPERIOR ST, RM 4-2304
CHICAGO, IL 60611
Obstetrics & Gynecology
250 E SUPERIOR ST, 03-2304
CHICAGO, IL 60611
Nurse Practitioner (Family)
250 E SUPERIOR ST, 03-2304
CHICAGO, IL 60611
Nurse Practitioner (Family)
250 E SUPERIOR ST
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124400643, enumerated as an "individual" on June 20, 2015.

The provider is located at 250 E SUPERIOR ST CHICAGO, IL 60611 and the phone number is (312) 926-2000.

Obstetrics & Gynecology with taxonomy code 207V00000X.