WILLIAM LOUIS MACIAS M.D.
NPI 1215463955
Internal Medicine - Nephrology in Indianapolis, IN

NPI Status: Active since May 01, 2017

Contact Information

9129 LOG RUN DR S
INDIANAPOLIS, IN
ZIP 46234
Phone: (317) 291-7862

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  • Individual
  • Male
  • Internal Medicine
  • Nephrology

About WILLIAM MACIAS

This page provides the complete NPI Profile along with additional information for William Macias, an internist established in Indianapolis, Indiana with a medical specialization in Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1215463955 assigned on May 2017. The practitioner's primary taxonomy code is 207RN0300X with license number 01037069A (IN). The provider is registered as an individual and his NPI record was last updated 9 years ago.

NPI
1215463955
Provider Name
WILLIAM LOUIS MACIAS M.D.
Gender
Male
Entity Type
Individual
Location Address
9129 LOG RUN DR S INDIANAPOLIS, IN 46234
Location Phone
(317) 291-7862
Mailing Address
9129 LOG RUN DR S INDIANAPOLIS, IN 46234
Mailing Phone
(317) 291-7862
Is Sole Proprietor?
Yes
Enumeration Date
05-01-2017
Last Update Date
05-01-2017
Code Navigator

An internist like William Macias 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 Nephrology

Taxonomy Code
207RN0300X
Type
Allopathic & Osteopathic Physicians
License No.
01037069A
License State
IN
Taxonomy Description
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

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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 1215463955, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
1
Doubled → 2
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
6
Unchanged
Pos 7
3
Doubled → 6
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
5
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 1 → 2 4 → 8 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 2 + 5 + 8 + 6 + 6 + 9 + 1 + 0 + 24 = 65

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1215463955.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215463955, enumerated as an "individual" on May 01, 2017.

The provider is located at 9129 LOG RUN DR S INDIANAPOLIS, IN 46234 and the phone number is (317) 291-7862.

Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.