DR. MARK J. TRACY M.D., M.P.H.
NPI 1508968520
Preventive Medicine - Public Health & General Preventive Medicine in San Diego, CA

NPI Status: Active since September 01, 2006

Contact Information

3851 ROSECRANS ST
TUBERCULOSIS CONTROL
SAN DIEGO, CA
ZIP 92110
Phone: (619) 692-5565
Fax: (619) 692-5602

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  • Individual
  • Male
  • Preventive Medicine
  • Public Health & General Preventive Medic...

About MARK TRACY

This page provides the complete NPI Profile along with additional information for Mark Tracy, a provider established in San Diego, California with a medical specialization in Preventive Medicine, focusing in public health & general preventive medicine . The healthcare provider is registered in the NPI registry with number 1508968520 assigned on September 2006. The practitioner's primary taxonomy code is 2083P0901X with license number G40212 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1508968520
Provider Name
DR. MARK J. TRACY M.D., M.P.H.
Gender
Male
Entity Type
Individual
Location Address
3851 ROSECRANS ST TUBERCULOSIS CONTROL SAN DIEGO, CA 92110
Location Phone
(619) 692-5565
Location Fax
(619) 692-5602
Mailing Address
3851 ROSECRANS ST TUBERCULOSIS CONTROL SAN DIEGO, CA 92110
Mailing Phone
(619) 692-5565
Mailing Fax
(619) 692-5602
Is Sole Proprietor?
Yes
Enumeration Date
09-01-2006
Last Update Date
07-08-2007
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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 Public Health & General Preventive Medicine

Taxonomy Code
2083P0901X
Type
Allopathic & Osteopathic Physicians
License No.
G40212
License State
CA
Taxonomy Description
Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

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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 1508968520, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
2
Doubled → 4
Check
0
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 0 → 0 9 → 18 → 9 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 8 + 6 + 1 + 6 + 5 + 4 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1508968520.

Other Providers at the Same Location


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

Pharmacist (Psychiatric)
3851 ROSECRANS ST, MS P-507-J
SAN DIEGO, CA 92110
Pharmacist
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Pharmacist
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Specialist
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Licensed Vocational Nurse
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Day Training/Habilitation Specialist
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Day Training/Habilitation Specialist
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Day Training/Habilitation Specialist
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Day Training/Habilitation Specialist
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Specialist/Technologist, Other (Biostatistician)
3851 ROSECRANS ST, P501C
SAN DIEGO, CA 92110
Registered Nurse (Community Health)
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Preventive Medicine (Public Health & General Preventive Medicine)
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Clinical Medical Laboratory
3851 ROSECRANS ST, SUITE 716
SAN DIEGO, CA 92110
Social Worker (Clinical)
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Social Worker (Clinical)
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Registered Nurse (Psychiatric/Mental Health, Adult)
3851 ROSECRANS ST, MS P533
SAN DIEGO, CA 92110
Registered Nurse (Community Health)
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Social Worker (Clinical)
3851 ROSECRANS ST
SAN DIEGO, CA 92110
Registered Nurse (Community Health)
3851 ROSECRANS ST, MAIL STOP P511D
SAN DIEGO, CA 92110
Registered Nurse (General Practice)
3851 ROSECRANS ST
SAN DIEGO, CA 92110

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508968520, enumerated as an "individual" on September 01, 2006.

The provider is located at 3851 ROSECRANS ST TUBERCULOSIS CONTROL SAN DIEGO, CA 92110 and the phone number is (619) 692-5565.

Preventive Medicine with taxonomy code 2083P0901X and a focus in Public Health & General Preventive Medicine.