JOSEPH SON TAN M.D.
NPI 1629149901
Internal Medicine - Gastroenterology in Paramount, CA

NPI Status: Active since November 10, 2006

Contact Information

16660 PARAMOUNT BLVD
#312
PARAMOUNT, CA
ZIP 90723
Phone: (562) 404-0503
Fax: (562) 529-8828

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About JOSEPH TAN

This page provides the complete NPI Profile along with additional information for Joseph Tan, an internist established in Paramount, California with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1629149901 assigned on November 2006. The practitioner's primary taxonomy code is 207RG0100X with license number A40103 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1629149901
Provider Name
JOSEPH SON TAN M.D.
Gender
Male
Entity Type
Individual
Location Address
16660 PARAMOUNT BLVD #312 PARAMOUNT, CA 90723
Location Phone
(562) 404-0503
Location Fax
(562) 529-8828
Mailing Address
PO BOX 4929 CERRITOS, CA 90703
Mailing Phone
(562) 404-0503
Mailing Fax
(562) 529-8828
Is Sole Proprietor?
Yes
Enumeration Date
11-10-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Joseph Tan is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
A40103
License State
CA
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Insurance Plans Accepted

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

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

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
A 29047MEDICARE UPIN (02) 
A40103AMEDICARE ID-TYPE UNSPECIFIED (04)CA 
00A401031MEDICAID (05)CA 

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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 1629149901, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 4 + 9 + 2 + 4 + 1 + 8 + 9 + 0 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1629149901.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Home Health
16660 PARAMOUNT BLVD, STE., #304
PARAMOUNT, CA 90723
Specialist
16660 PARAMOUNT BLVD, SUITE 312
PARAMOUNT, CA 90723
Surgery
16660 PARAMOUNT BLVD, SUITE 307
PARAMOUNT, CA 90723
Internal Medicine (Geriatric Medicine)
16660 PARAMOUNT BLVD, SUITE 101
PARAMOUNT, CA 90723
Pediatrics
16660 PARAMOUNT BLVD, SUITE 206
PARAMOUNT, CA 90723
Obstetrics & Gynecology
16660 PARAMOUNT BLVD, SUITE 309
PARAMOUNT, CA 90723
Specialist
16660 PARAMOUNT BLVD, SUITE 312
PARAMOUNT, CA 90723
Pediatrics
16660 PARAMOUNT BLVD, SUITE 211
PARAMOUNT, CA 90723
Specialist
16660 PARAMOUNT BLVD, SUITE 205
PARAMOUNT, CA 90723
Clinic/Center (Medical Specialty)
16660 PARAMOUNT BLVD, SUITE 306
PARAMOUNT, CA 90723
Pediatrics
16660 PARAMOUNT BLVD, STE. 206
PARAMOUNT, CA 90723
Internal Medicine
16660 PARAMOUNT BLVD, 201
PARAMOUNT, CA 90723
Podiatrist (Primary Podiatric Medicine)
16660 PARAMOUNT BLVD, SUITE 101
PARAMOUNT, CA 90723
Internal Medicine
16660 PARAMOUNT BLVD, SUITE 100
PARAMOUNT, CA 90723
Non-Pharmacy Dispensing Site
16660 PARAMOUNT BLVD, SUITE 101
PARAMOUNT, CA 90723
Surgery
16660 PARAMOUNT BLVD, SUITE 307
PARAMOUNT, CA 90723
Physician Assistant
16660 PARAMOUNT BLVD
PARAMOUNT, CA 90723
Internal Medicine
16660 PARAMOUNT BLVD, SUITE 208
PARAMOUNT, CA 90723
Nurse Practitioner (Family)
16660 PARAMOUNT BLVD
PARAMOUNT, CA 90723

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1629149901, enumerated as an "individual" on November 10, 2006.

The provider is located at 16660 PARAMOUNT BLVD #312 PARAMOUNT, CA 90723 and the phone number is (562) 404-0503.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.