DR. JAMES CHARLES COMSTOCK M.D.
NPI 1689665341
Emergency Medicine in Lake City, IA

NPI Status: Active since November 02, 2005

Contact Information

3420 INWOOD AVE
LAKE CITY, IA
ZIP 51449
Phone: (712) 464-7251

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  • Individual
  • Male
  • Emergency Medicine

About JAMES COMSTOCK

This page provides the complete NPI Profile along with additional information for James Comstock, a provider established in Lake City, Iowa with a medical specialization in Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1689665341 assigned on November 2005. The practitioner's primary taxonomy code is 207P00000X with license number 17798 (IA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1689665341
Provider Name
DR. JAMES CHARLES COMSTOCK M.D.
Gender
Male
Entity Type
Individual
Location Address
3420 INWOOD AVE LAKE CITY, IA 51449
Location Phone
(712) 464-7251
Mailing Address
3420 INWOOD AVE LAKE CITY, IA 51449
Mailing Phone
(712) 464-7251
Is Sole Proprietor?
No
Enumeration Date
11-02-2005
Last Update Date
09-09-2008
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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

Emergency Medicine

Taxonomy Code
207P00000X
Type
Allopathic & Osteopathic Physicians
License No.
17798
License State
IA
Taxonomy Description
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

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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 1689665341, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
Check
1
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 8 → 16 → 7 6 → 12 → 3 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 2 + 6 + 1 + 0 + 3 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1689665341.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689665341, enumerated as an "individual" on November 02, 2005.

The provider is located at 3420 INWOOD AVE LAKE CITY, IA 51449 and the phone number is (712) 464-7251.

Emergency Medicine with taxonomy code 207P00000X.