CHRISTINA MIKOSZ MD
NPI 1891921722
Internal Medicine in Chicago, IL
NPI Status: Active since June 05, 2009
Contact Information
69 W WASHINGTON ST STE 3500
CHICAGO, IL
ZIP 60602
Phone: (312) 848-6242
- Individual
- Female
- Internal Medicine
- Accepts Insurance
About CHRISTINA MIKOSZ
This page provides the complete NPI Profile along with additional information for Christina Mikosz, an internist established in Chicago, Illinois with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1891921722 assigned on June 2009. The practitioner's primary taxonomy code is 207R00000X with license number 036170353 (IL). The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1891921722
- Provider Name
- CHRISTINA MIKOSZ MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 69 W WASHINGTON ST STE 3500 CHICAGO, IL 60602
- Location Phone
- (312) 848-6242
- Mailing Address
- 69 W WASHINGTON ST STE 3500 CHICAGO, IL 60602
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-05-2009
- Last Update Date
- 02-17-2026
- Code Navigator
An internist like Christina Mikosz 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
- Taxonomy Code
- 207R00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 036170353
- License State
- IL
- Taxonomy Description
- A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- BlueCare EPO Bronze - EPO
- BlueCare EPO Gold - EPO
- BlueCare EPO Gold Plus - EPO
- BlueCare EPO Silver Plus - EPO
- BlueCare EPO Simple Bronze HDHP - EPO
- BlueCare EPO Simple Silver HDHP - EPO
- BlueCare EPO Standardized Expanded Bronze - EPO
- BlueCare EPO Standardized Gold - EPO
- BlueCare EPO Standardized Silver - EPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
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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 1891921722, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 68 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891921722, enumerated as an "individual" on June 05, 2009.
The provider is located at 69 W WASHINGTON ST STE 3500 CHICAGO, IL 60602 and the phone number is (312) 848-6242.
Internal Medicine with taxonomy code 207R00000X.
The provider might be accepting Accepts: Blue Cross and Blue Shield of Kansas, Inc.. Please consult your insurance carrier or call the provider to verify.
