KATHERINE ROSE STUDER DMSC, PA-C
NPI 1952017857
Physician Assistant in Chicago, IL
NPI Status: Active since January 25, 2023
Contact Information
125 S WACKER DR STE 300
CHICAGO, IL
ZIP 60606
Phone: (617) 505-1520
Fax: (617) 928-8401
- Individual
- Female
- Physician Assistant
About KATHERINE STUDER
This page provides the complete NPI Profile along with additional information for Katherine Studer, a primary care provider established in Chicago, Illinois with a medical specialization in Physician Assistant. The healthcare provider is registered in the NPI registry with number 1952017857 assigned on January 2023. The practitioner's primary taxonomy code is 363A00000X with license number 085009316 (IL). The provider is registered as an individual and her NPI record was last updated March 2026.
- NPI
- 1952017857
- Provider Name
- KATHERINE ROSE STUDER DMSC, PA-C
- Other Name
- KATHERINE ROSE CASTILLO DMSC, PA-C
- Other Name Type
- Former Name (1)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 125 S WACKER DR STE 300 CHICAGO, IL 60606
- Location Phone
- (617) 505-1520
- Location Fax
- (617) 928-8401
- Mailing Address
- 109 STATE ST. 5TH FL BOSTON, MA 02109
- Mailing Phone
- (617) 505-1520
- Mailing Fax
- (617) 928-8401
- Is Sole Proprietor?
- No
- Enumeration Date
- 01-25-2023
- Last Update Date
- 03-26-2026
- Code Navigator
A primary care provider (PCP) like Katherine Studer 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
Physician Assistant
- Taxonomy Code
- 363A00000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 085009316
- License State
- IL
- Taxonomy Description
- A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
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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 1952017857, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).
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 53 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
CHICAGO, IL 60606
CHICAGO, IL 60606
CHICAGO, IL 60606
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1952017857, enumerated as an "individual" on January 25, 2023.
The provider is located at 125 S WACKER DR STE 300 CHICAGO, IL 60606 and the phone number is (617) 505-1520.
Physician Assistant with taxonomy code 363A00000X.
