DAVID CARTER REDFERN MD
NPI 1750334751
Allergy & Immunology in Waterloo, IA
NPI Status: Active since May 18, 2006
Contact Information
1753 W RIDGEWAY AVE
STE 106
WATERLOO, IA
ZIP 50701
Phone: (319) 833-5982
Fax: (319) 833-5983
- Individual
- Male
- Allergy & Immunology
About DAVID REDFERN
This page provides the complete NPI Profile along with additional information for David Redfern, a provider established in Waterloo, Iowa with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1750334751 assigned on May 2006. The practitioner's primary taxonomy code is 207K00000X with license number 30869 (IA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1750334751
- Provider Name
- DAVID CARTER REDFERN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1753 W RIDGEWAY AVE STE 106 WATERLOO, IA 50701
- Location Phone
- (319) 833-5982
- Location Fax
- (319) 833-5983
- Mailing Address
- PO BOX 2758 WATERLOO, IA 50704
- Mailing Phone
- (319) 833-5982
- Mailing Fax
- (319) 833-5983
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-18-2006
- Last Update Date
- 10-09-2007
- 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.
- 30869
- 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.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 42141730749 | OTHER (01) | IA | JOHN DEERE HEALTH CARE |
| 52489 | MEDICARE ID-TYPE UNSPECIFIED (04) | IA | |
| F63159 | MEDICARE UPIN (02) | ||
| 0132373 | MEDICAID (05) | IA | |
| 52489 | OTHER (01) | IA | WELLMARK INS PLAN |
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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 1750334751, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
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 59 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 16 providers are registered at the same or a nearby location.
WATERLOO, IA 50701
WATERLOO, IA 50701
WATERLOO, IA 50701
WATERLOO, IA 50701
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1750334751, enumerated as an "individual" on May 18, 2006.
The provider is located at 1753 W RIDGEWAY AVE STE 106 WATERLOO, IA 50701 and the phone number is (319) 833-5982.
Allergy & Immunology with taxonomy code 207K00000X.
The provider might be accepting Accepts: Medicare, Medicaid and Wellmark. Please consult your insurance carrier or call the provider to verify.
