DR. ROBERT DAVIS WILLIAMS M.D.
NPI 1619028404
Emergency Medicine in Jacksonville, FL

NPI Status: Active since January 16, 2007

Contact Information

1597 HARRINGTON PARK DR
JACKSONVILLE, FL
ZIP 32225
Phone: (304) 633-5595

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  • Individual
  • Male
  • Emergency Medicine

About ROBERT WILLIAMS

This page provides the complete NPI Profile along with additional information for Robert Williams, a provider established in Jacksonville, Florida with a medical specialization in Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1619028404 assigned on January 2007. The practitioner's primary taxonomy code is 207P00000X with license number ME305182 (FL). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1619028404
Provider Name
DR. ROBERT DAVIS WILLIAMS M.D.
Gender
Male
Entity Type
Individual
Location Address
1597 HARRINGTON PARK DR JACKSONVILLE, FL 32225
Location Phone
(304) 633-5595
Mailing Address
1597 HARRINGTON PARK DR JACKSONVILLE, FL 32225
Mailing Phone
(304) 633-5595
Is Sole Proprietor?
No
Enumeration Date
01-16-2007
Last Update Date
01-04-2010
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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.
ME305182
License State
FL
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.

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)
1207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

MD29580 (AL)
2207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

062795 (GA)
3207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

MD203401 (LA)
4207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

20885 (MS)

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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 1619028404, 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 0 + 2 + 1 + 6 + 4 + 0 + 24 = 56

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.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1619028404.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619028404, enumerated as an "individual" on January 16, 2007.

The provider is located at 1597 HARRINGTON PARK DR JACKSONVILLE, FL 32225 and the phone number is (304) 633-5595.

Emergency Medicine with taxonomy code 207P00000X.