PREMIER PHYSICIAN SERVICES
NPI 1427188473
Preventive Medicine - Medical Toxicology in Port Washington, NY

NPI Status: Active since March 07, 2007

Contact Information

14 VANDERVENTER AVE STE 138
SUITE 130-138
PORT WASHINGTON, NY
ZIP 11050
Phone: (516) 883-3383
Fax: (516) 883-5812

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  • Organization
  • Preventive Medicine
  • Medical Toxicology

About PREMIER PHYSICIAN SERVICES

This page provides the complete NPI Profile along with additional information for Premier Physician Services, a provider established in Port Washington, New York operating as a Preventive Medicine, focusing in medical toxicology . The healthcare provider is registered in the NPI registry with number 1427188473 assigned on March 2007. The practitioner's primary taxonomy code is 2083T0002X with license number 165520 (NY). The provider is registered as an organization and their NPI record was last updated one year ago. Premier Physician Services operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Joseph T Shen M.d. (President)

NPI
1427188473
Provider Name
PREMIER PHYSICIAN SERVICES
Entity Type
Organization
Location Address
14 VANDERVENTER AVE STE 138 SUITE 130-138 PORT WASHINGTON, NY 11050
Location Phone
(516) 883-3383
Location Fax
(516) 883-5812
Mailing Address
14 VANDERVENTER AVE.SUITE 138 SUITE 130-138 PORT WASHINGTON, NY 11050
Mailing Phone
(516) 883-3383
Mailing Fax
(516) 883-5812
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-07-2007
Last Update Date
09-11-2025
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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 Medical Toxicology

Taxonomy Code
2083T0002X
Type
Allopathic & Osteopathic Physicians
License No.
165520
License State
NY
Taxonomy Description
Medical toxicologists are physicians who specialize in the prevention, evaluation, treatment and monitoring of injury and illness from exposures to drugs and chemicals, as well as biological and radiological agents. Medical toxicologists care for people in clinical, academic, governmental and public health settings, and provide poison control center leadership. Important areas of medical toxicology include acute drug poisoning, adverse drug events, drug abuse, addiction and withdrawal, chemicals and hazardous materials, terrorism preparedness, venomous bites and stings, and environmental and workplace exposures.

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)
1204C00000XAllopathic & Osteopathic Physicians

Neuromusculoskeletal Medicine, Sports Medicine

187122-1 (NY)
2207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

171781 (NY)
3207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

165520 (NY)
4208100000XAllopathic & Osteopathic Physicians

Physical Medicine & Rehabilitation

187122-1 (NY)
52081S0010XAllopathic & Osteopathic Physicians

Physical Medicine & Rehabilitation
Sports Medicine

187122-1 (NY)
62083P0901XAllopathic & Osteopathic Physicians

Preventive Medicine
Public Health & General Preventive Medicine

165520 (NY)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

DR. JOSEPH T SHEN M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(516) 883-3383

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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 1427188473, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
1
Doubled → 2
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
3
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 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 2 + 8 + 1 + 6 + 4 + 1 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1427188473.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427188473, enumerated as an "organization" on March 07, 2007.

The provider is located at 14 VANDERVENTER AVE STE 138 SUITE 130-138 PORT WASHINGTON, NY 11050 and the phone number is (516) 883-3383.

Preventive Medicine with taxonomy code 2083T0002X and a focus in Medical Toxicology.