CATHERINE NJENGA MD
NPI 1194457556
Family Medicine in Chicago, IL

NPI Status: Active since June 25, 2022

Contact Information

1625 E 75TH ST
CHICAGO, IL
ZIP 60649
Phone: (773) 947-7313
Fax: (773) 947-7721

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  • Individual
  • Female
  • Family Medicine
  • PECOS Enrolled

About CATHERINE NJENGA

This page provides the complete NPI Profile along with additional information for Catherine Njenga, a primary care provider established in Chicago, Illinois with a medical specialization in Family Medicine. The healthcare provider is registered in the NPI registry with number 1194457556 assigned on June 2022. The practitioner's primary taxonomy code is 207Q00000X with license number 036.173169 (IL). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1194457556
Provider Name
CATHERINE NJENGA MD
Gender
Female
Entity Type
Individual
Location Address
1625 E 75TH ST CHICAGO, IL 60649
Location Phone
(773) 947-7313
Location Fax
(773) 947-7721
Mailing Address
7447 S SOUTH SHORE DR APT 30F CHICAGO, IL 60649
Is Sole Proprietor?
No
Enumeration Date
06-25-2022
Last Update Date
08-11-2025
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A primary care provider (PCP) like Catherine Njenga sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
License No.
036.173169
License State
IL
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

125.080971 (IL)

Medicare Participation & PECOS Enrollment Status

Catherine Njenga 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 60649 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $94.06
  • Minimum New Patient Price $60.08
  • Maximum New Patient Price $183.39
  • Average New Patient Copayment $23.51
  • Minimum New Patient Copayment $15.02
  • Maximum New Patient Copayment $45.84

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $105.7
  • Minimum Established Patient Price $18.97
  • Maximum Established Patient Price $148.12
  • Average Established Patient Copayment $26.42
  • Minimum Established Patient Copayment $4.74
  • Maximum Established Patient Copayment $37.03

* 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.

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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 1194457556, 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
1
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 9 → 18 → 9 4 → 8 7 → 14 → 5 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 8 + 5 + 1 + 4 + 5 + 1 + 0 + 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 1194457556.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Pediatrics
1625 E 75TH ST, FIRST FLOOR
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST, FIRST FLOOR
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649
Nurse Practitioner (Women's Health)
1625 E 75TH ST, SECOND FLOOR
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649
General Acute Care Hospital
1625 E 75TH ST, 1ST FLOOR
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649
Family Medicine
1625 E 75TH ST
CHICAGO, IL 60649

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194457556, enumerated as an "individual" on June 25, 2022.

The provider is located at 1625 E 75TH ST CHICAGO, IL 60649 and the phone number is (773) 947-7313.

Family Medicine with taxonomy code 207Q00000X.