DR. JOHN CHARNAS M.D.
NPI 1346298288
Preventive Medicine - Occupational Medicine in Gainesville, FL

NPI Status: Active since May 04, 2006

Contact Information

1601 SW ARCHER RD
11C
GAINESVILLE, FL
ZIP 32608
Phone: (352) 376-1611
Fax: (352) 379-7434

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  • Individual
  • Male
  • Preventive Medicine
  • Occupational Medicine

About JOHN CHARNAS

This page provides the complete NPI Profile along with additional information for John Charnas, a provider established in Gainesville, Florida with a medical specialization in Preventive Medicine, focusing in occupational medicine . The healthcare provider is registered in the NPI registry with number 1346298288 assigned on May 2006. The practitioner's primary taxonomy code is 2083X0100X with license number ME 92738 (FL). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1346298288
Provider Name
DR. JOHN CHARNAS M.D.
Gender
Male
Entity Type
Individual
Location Address
1601 SW ARCHER RD 11C GAINESVILLE, FL 32608
Location Phone
(352) 376-1611
Location Fax
(352) 379-7434
Mailing Address
5424 NW 72ND ST GAINESVILLE, FL 32653
Mailing Phone
(352) 367-4492
Is Sole Proprietor?
No
Enumeration Date
05-04-2006
Last Update Date
10-20-2011
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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

Preventive Medicine Occupational Medicine

Taxonomy Code
2083X0100X
Type
Allopathic & Osteopathic Physicians
License No.
ME 92738
License State
FL
Taxonomy Description
Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.

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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 1346298288, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 8 + 6 + 4 + 9 + 1 + 6 + 2 + 1 + 6 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1346298288.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Hematology & Oncology)
1601 SW ARCHER RD, HEMATOLOGY/ONCOLOGY (111)
GAINESVILLE, FL 32608
Pharmacist
1601 SW ARCHER RD, PHARMACY SERVICE (119) VA MEDICAL CENTER
GAINESVILLE, FL 32608
Pharmacist (Pharmacotherapy)
1601 SW ARCHER RD
GAINESVILLE, FL 32608
Pharmacist
1601 SW ARCHER RD, PHARMACY SERVICE (119) VA MEDICAL CENTER
GAINESVILLE, FL 32608
Pharmacist
1601 SW ARCHER RD
GAINESVILLE, FL 32608
Pharmacist (Pharmacotherapy)
1601 SW ARCHER RD, MALCOM RANDALL VAMC, NF/SGVHS
GAINESVILLE, FL 32608
Pharmacist (Pharmacotherapy)
1601 SW ARCHER RD, PHARMACY SERVICE (119)
GAINESVILLE, FL 32608
Pharmacist (Pharmacotherapy)
1601 SW ARCHER RD, PHARMACY (119)
GAINESVILLE, FL 32608
Pharmacist
1601 SW ARCHER RD, OUTPATIENT PHARMACY-119
GAINESVILLE, FL 32608
Pharmacist (Pharmacotherapy)
1601 SW ARCHER RD
GAINESVILLE, FL 32608
Pharmacist (Pharmacotherapy)
1601 SW ARCHER RD, NF/SG VETERANS HOSPITAL (119)
GAINESVILLE, FL 32608
Pharmacist (Pharmacotherapy)
1601 SW ARCHER RD
GAINESVILLE, FL 32608
Pharmacist (Pharmacotherapy)
1601 SW ARCHER RD
GAINESVILLE, FL 32608
Pharmacist (Pharmacotherapy)
1601 SW ARCHER RD, (119)
GAINESVILLE, FL 32608
Pharmacist (Psychiatric)
1601 SW ARCHER RD
GAINESVILLE, FL 32608
Pharmacist
1601 SW ARCHER RD
GAINESVILLE, FL 32608
Pharmacist
1601 SW ARCHER RD
GAINESVILLE, FL 32608
Pharmacist (Pharmacotherapy)
1601 SW ARCHER RD, VA MEDICAL CENTER (119)
GAINESVILLE, FL 32608
Pharmacist
1601 SW ARCHER RD, PHARMACY SERVICE 119
GAINESVILLE, FL 32608
Pharmacist
1601 SW ARCHER RD
GAINESVILLE, FL 32608

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346298288, enumerated as an "individual" on May 04, 2006.

The provider is located at 1601 SW ARCHER RD 11C GAINESVILLE, FL 32608 and the phone number is (352) 376-1611.

Preventive Medicine with taxonomy code 2083X0100X and a focus in Occupational Medicine.