Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

L TAN MD LC
NPI 1346303088
General Practice in Marianna, FL

Active since December 17, 2006
2915 MADISON ST, MARIANNA, FL 32446(850) 536-2460 Get Directions Write a Review

NPPES record last updated: July 18, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 18, 2026, Aug 22, 2020 (2 updates tracked since 2020).

  • Organization
  • General Practice

About L TAN MD LC

This page provides the complete NPI Profile along with additional information for L Tan Md Lc, a primary care provider established in Marianna, Florida operating as a General Practice. The healthcare provider is registered in the NPI registry with number 1346303088 assigned on December 2006. The practitioner's primary taxonomy code is 208D00000X with license number ME339964 (FL). The provider is registered as an organization and their NPI record was last updated July 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is L Tan (Mgr)

NPI
1346303088
Provider Name
L TAN MD LC
Entity Type
Organization
Location Address
2915 MADISON ST MARIANNA, FL 32446
Location Phone
(850) 536-2460
Mailing Address
2915 MADISON ST MARIANNA, FL 32446
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-17-2006
Last Update Date
07-18-2026
Code Navigator

A primary care provider (PCP) like L Tan Md Lc sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
ME339964
License State
FL
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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)
1261QM2500XAmbulatory Health Care Facilities

Clinic/Center
Medical Specialty

 

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

L TAN

Authorized Official Title
MGR
Authorized Official Phone
(904) 537-0954

Reviews for L TAN MD LC

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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 1346303088, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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
3
Doubled → 6
Pos 6
0
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
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 3 → 6 3 → 6 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 + 6 + 0 + 6 + 0 + 1 + 6 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1346303088.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Nurse Anesthetist, Certified Registered
2915 MADISON ST
MARIANNA, FL 32446
General Practice
2915 MADISON ST
MARIANNA, FL 32446

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346303088, enumerated as an "organization" on December 17, 2006.

The provider is located at 2915 MADISON ST MARIANNA, FL 32446 and the phone number is (850) 536-2460.

General Practice with taxonomy code 208D00000X.