JOHN WILLIAM TIMOTHY JR. MD
NPI 1730213604
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in Indianapolis, IN

Active since March 15, 2007
4747 E 71ST ST, INDIANAPOLIS, IN 46220(317) 251-4745(317) 253-7421 Get Directions Write a Review

NPPES record last updated: March 31, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Mar 31, 2025, Feb 1, 2023, Feb 20, 2020 and 1 more (4 updates tracked since 2017).

  • Individual
  • Male
  • Preventive Medicine
  • Preventive Medicine/Occupational Environ...
  • Accepts Insurance

About JOHN TIMOTHY

This page provides the complete NPI Profile along with additional information for John Timothy, a provider established in Indianapolis, Indiana with a medical specialization in Preventive Medicine, focusing in preventive medicine/occupational environmental medicine . The healthcare provider is registered in the NPI registry with number 1730213604 assigned on March 2007. The practitioner's primary taxonomy code is 2083P0500X with license number 01029711A (IN). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1730213604
Provider Name
JOHN WILLIAM TIMOTHY JR. MD
Gender
Male
Entity Type
Individual
Location Address
4747 E 71ST ST INDIANAPOLIS, IN 46220
Location Phone
(317) 251-4745
Location Fax
(317) 253-7421
Mailing Address
4745 E 71ST ST INDIANAPOLIS, IN 46220
Is Sole Proprietor?
No
Enumeration Date
03-15-2007
Last Update Date
03-31-2025
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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 Preventive Medicine/Occupational Environmental Medicine

Taxonomy Code
2083P0500X
Type
Allopathic & Osteopathic Physicians
License No.
01029711A
License State
IN
Taxonomy Description
A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Choice Bronze HSA - HMO
  • Choice Bronze HSA + Vision + Adult Dental - HMO
  • Clear Gold - HMO
  • Clear Gold + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Silver - HMO
  • Complete Silver + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clear Silver - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Reviews for JOHN WILLIAM TIMOTHY JR. MD

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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 1730213604, 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
7
Unchanged
Pos 3
3
Doubled → 6
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
6
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 3 → 6 2 → 4 3 → 6 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 4 + 1 + 6 + 6 + 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 1730213604.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730213604, enumerated as an "individual" on March 15, 2007.

The provider is located at 4747 E 71ST ST INDIANAPOLIS, IN 46220 and the phone number is (317) 251-4745.

Preventive Medicine with taxonomy code 2083P0500X and a focus in Preventive Medicine/Occupational Environmental Medicine.

The provider might be accepting Accepts: Ambetter from Buckeye Health Plan, Ambetter from. Please consult your insurance carrier or call the provider to verify.