DR. EPHRAIM SHIN-TIAN TANG MD
NPI 1679027874
Transplant Surgery in Portland, OR

NPI Status: Active since August 05, 2016

Contact Information

4805 NE GLISAN ST STE 6N60
PORTLAND, OR
ZIP 97213
Phone: (503) 281-0561

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  • Individual
  • Male
  • Transplant Surgery

About EPHRAIM TANG

This page provides the complete NPI Profile along with additional information for Ephraim Tang, a provider established in Portland, Oregon with a medical specialization in Transplant Surgery. The healthcare provider is registered in the NPI registry with number 1679027874 assigned on August 2016. The practitioner's primary taxonomy code is 204F00000X with license number MD184038 (OR). The provider is registered as an individual and his NPI record was last updated 9 years ago.

NPI
1679027874
Provider Name
DR. EPHRAIM SHIN-TIAN TANG MD
Gender
Male
Entity Type
Individual
Location Address
4805 NE GLISAN ST STE 6N60 PORTLAND, OR 97213
Location Phone
(503) 281-0561
Mailing Address
4805 NE GLISAN ST STE 6N60 PORTLAND, OR 97213
Mailing Phone
(503) 281-0561
Is Sole Proprietor?
No
Enumeration Date
08-05-2016
Last Update Date
11-17-2017
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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

Transplant Surgery

Taxonomy Code
204F00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD184038
License State
OR
Taxonomy Description
A surgeon who specializes in transplant surgery. Source: National Uniform Claim Committee

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)
1208600000XAllopathic & Osteopathic Physicians

Surgery

MD184038 (OR)

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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 1679027874, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
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 0 → 0 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 0 + 2 + 1 + 4 + 8 + 1 + 4 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1679027874.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Physician Assistant (Medical)
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Nurse Practitioner (Family)
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Surgery
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Surgery
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Colon & Rectal Surgery
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Colon & Rectal Surgery
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Colon & Rectal Surgery
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Surgery
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Surgery
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Surgery
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Surgery
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213
Surgery
4805 NE GLISAN ST STE 6N60
PORTLAND, OR 97213

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679027874, enumerated as an "individual" on August 05, 2016.

The provider is located at 4805 NE GLISAN ST STE 6N60 PORTLAND, OR 97213 and the phone number is (503) 281-0561.

Transplant Surgery with taxonomy code 204F00000X.