KOUSHIK VARMA SANGARAJU
NPI 1679148043
Internal Medicine - Rheumatology in Lacey, WA
NPI Status: Active since May 26, 2021
Contact Information
4800 COLLEGE ST SE
LACEY, WA
ZIP 98503
Phone: (360) 413-4250
Fax: (360) 412-2262
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Internal Medicine
- Rheumatology
About KOUSHIK SANGARAJU
This page provides the complete NPI Profile along with additional information for Koushik Sangaraju, an internist established in Lacey, Washington with a medical specialization in Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1679148043 assigned on May 2021. The practitioner's primary taxonomy code is 207RR0500X with license number MD.MD.70105939 (WA). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1679148043
- Provider Name
- KOUSHIK VARMA SANGARAJU
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4800 COLLEGE ST SE LACEY, WA 98503
- Location Phone
- (360) 413-4250
- Location Fax
- (360) 412-2262
- Mailing Address
- 4800 COLLEGE ST SE LACEY, WA 98503
- Mailing Phone
- (360) 413-4250
- Mailing Fax
- (360) 412-2262
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-26-2021
- Last Update Date
- 06-25-2026
- Code Navigator
An internist like Koushik Sangaraju 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 Rheumatology
- Taxonomy Code
- 207RR0500X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD.MD.70105939
- License State
- WA
- Taxonomy Description
- An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
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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 1679148043, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
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 67 is 70. 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.
LACEY, WA 98503
LACEY, WA 98503
LACEY, WA 98503
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1679148043, enumerated as an "individual" on May 26, 2021.
The provider is located at 4800 COLLEGE ST SE LACEY, WA 98503 and the phone number is (360) 413-4250.
Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.
