CASSIE LYNN WASSINK MD
NPI 1508503954
Allergy & Immunology in Iowa City, IA
NPI Status: Active since May 17, 2022
Contact Information
200 HAWKINS DR
IOWA CITY, IA
ZIP 52242
Phone: (319) 356-1311
Fax: (319) 356-8280
- Individual
- Female
- Allergy & Immunology
- PECOS Enrolled
About CASSIE WASSINK
This page provides the complete NPI Profile along with additional information for Cassie Wassink, a provider established in Iowa City, Iowa with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1508503954 assigned on May 2022. The practitioner's primary taxonomy code is 207K00000X with license number MD-55219 (IA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1508503954
- Provider Name
- CASSIE LYNN WASSINK MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 200 HAWKINS DR IOWA CITY, IA 52242
- Location Phone
- (319) 356-1311
- Location Fax
- (319) 356-8280
- Mailing Address
- 200 HAWKINS DR IOWA CITY, IA 52242
- Mailing Phone
- (319) 356-1311
- Mailing Fax
- (319) 356-8280
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-17-2022
- Last Update Date
- 06-17-2025
- Code Navigator
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
Allergy & Immunology
- Taxonomy Code
- 207K00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD-55219
- License State
- IA
- Taxonomy Description
- An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
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) |
|---|---|---|---|---|
| 1 | 208000000X | Allopathic & Osteopathic Physicians | Pediatrics | MD-55219 (IA) |
Medicare Participation & PECOS Enrollment Status
Cassie Wassink 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
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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 1508503954, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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 56 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1508503954, enumerated as an "individual" on May 17, 2022.
The provider is located at 200 HAWKINS DR IOWA CITY, IA 52242 and the phone number is (319) 356-1311.
Allergy & Immunology with taxonomy code 207K00000X.
