ABAS TAY MD
NPI 1871548388
Internal Medicine - Cardiovascular Disease in San Jose, CA

NPI Status: Active since May 23, 2006

Contact Information

25 N 14TH ST
#840
SAN JOSE, CA
ZIP 95112
Phone: (408) 292-1722

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease

About ABAS TAY

This page provides the complete NPI Profile along with additional information for Abas Tay, an internist established in San Jose, California with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1871548388 assigned on May 2006. The practitioner's primary taxonomy code is 207RC0000X with license number A35954 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1871548388
Provider Name
ABAS TAY MD
Gender
Male
Entity Type
Individual
Location Address
25 N 14TH ST #840 SAN JOSE, CA 95112
Location Phone
(408) 292-1722
Mailing Address
25 N 14TH ST #840 SAN JOSE, CA 95112
Mailing Phone
(408) 292-1722
Is Sole Proprietor?
Yes
Enumeration Date
05-23-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Abas Tay 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
A35954
License State
CA
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

A35954 (CA)

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
A359540MEDICAID (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 1871548388, 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
8
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
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 7 → 14 → 5 5 → 10 → 1 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 1 + 0 + 4 + 1 + 6 + 3 + 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 1871548388.

Other Providers at the Same Location


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

Internal Medicine (Rheumatology)
25 N 14TH ST, STE 890
SAN JOSE, CA 95112
Psychiatry & Neurology (Psychiatry)
25 N 14TH ST, SUITE 780
SAN JOSE, CA 95112
Family Medicine
25 N 14TH ST, 505
SAN JOSE, CA 95112
Internal Medicine
25 N 14TH ST, SUITE 700
SAN JOSE, CA 95112
Internal Medicine
25 N 14TH ST, SUITE 920
SAN JOSE, CA 95112
Specialist
25 N 14TH ST, SUITE 870
SAN JOSE, CA 95112
Dentist (General Practice)
25 N 14TH ST, SUITE820
SAN JOSE, CA 95112
Urology
25 N 14TH ST
SAN JOSE, CA 95112
Internal Medicine (Endocrinology, Diabetes & Metabolism)
25 N 14TH ST, SUITE 920
SAN JOSE, CA 95112
Optometrist
25 N 14TH ST, SUITE 620
SAN JOSE, CA 95112
Internal Medicine (Gastroenterology)
25 N 14TH ST, SUITE 620
SAN JOSE, CA 95112
Case Manager/Care Coordinator
25 N 14TH ST, SUITE 140
SAN JOSE, CA 95112
Physical Therapist
25 N 14TH ST, STE 550
SAN JOSE, CA 95112
Physical Therapy Assistant
25 N 14TH ST, 550
SAN JOSE, CA 95112
Physical Therapist
25 N 14TH ST, STE 550
SAN JOSE, CA 95112
Physical Therapy Assistant
25 N 14TH ST, SUITE 550
SAN JOSE, CA 95112
Marriage & Family Therapist
25 N 14TH ST, # 620
SAN JOSE, CA 95112
Specialist/Technologist (Athletic Trainer)
25 N 14TH ST, SUITE 550
SAN JOSE, CA 95112
Counselor (Mental Health)
25 N 14TH ST, SUITE 620
SAN JOSE, CA 95112
Counselor (Mental Health)
25 N 14TH ST
SAN JOSE, CA 95112

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871548388, enumerated as an "individual" on May 23, 2006.

The provider is located at 25 N 14TH ST #840 SAN JOSE, CA 95112 and the phone number is (408) 292-1722.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

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