DR. JOSEPH DAVID MARKOWITZ M.D.
NPI 1922203223
Psychiatry & Neurology - Addiction Medicine in Columbia, SC

NPI Status: Active since June 18, 2007

Contact Information

3555 HARDEN STREET EXT STE 141
COLUMBIA, SC
ZIP 29203
Phone: (803) 434-4300

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Insurance Plans Accepted
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Psychiatry & Neurology
Addiction Medicine

About JOSEPH MARKOWITZ

This page provides the complete NPI Profile along with additional information for Joseph Markowitz, a provider established in Columbia, South Carolina with a medical specialization in Psychiatry & Neurology, focusing in addiction medicine . The healthcare provider is registered in the NPI registry with number 1922203223 assigned on June 2007. The practitioner's primary taxonomy code is 2084A0401X with license number 23709 (SC). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI: 1922203223
Provider Name: DR. JOSEPH DAVID MARKOWITZ M.D.
Gender: Male
Entity Type: Individual
Location Address: 3555 HARDEN STREET EXT STE 141 COLUMBIA, SC 29203
Location Phone: (803) 434-4300
Mailing Address: PO BOX 743904 ATLANTA, GA 30374
Mailing Phone: (032) 967-3208
Is Sole Proprietor?: Yes
Enumeration Date: 06-18-2007
Last Update Date: 06-22-2018
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Location Map

Secondary Locations

11777 North Club Dr
Tampa, FL 33612
(813) 631-7126

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: Psychiatry & Neurology Addiction Medicine
Taxonomy Code: 2084A0401X
Type: Allopathic & Osteopathic Physicians
License No.: 23709
License State: SC
Taxonomy Description: A doctor of osteopathy board eligible/certified in the field of Psychiatry by the American Osteopathic Board of Neurology and Psychiatry is able to obtain a Certificate of Added Qualifications in the field of Addiction Medicine

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)
1	2084A0401X	Allopathic & Osteopathic Physicians	Psychiatry & Neurology Addiction Medicine	ME88558 (FL)

Insurance Plans Accepted

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

Medicare

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Medicaid

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

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

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier	Type / Code	Identifier State	Identifier Issuer
237096	MEDICAID (05)	SC

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 1922203223, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 4

Pos 4

Unchanged

Pos 5

Doubled → 4

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 2 → 4 2 → 4 3 → 6 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 4 + 0 + 6 + 2 + 4 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3

This NPI is valid

The calculated check digit is 3, which matches the last digit of 1922203223.