DR. MICHAEL JOSEPH SANTIAGO MD
NPI 1588899603
Emergency Medicine in Seattle, WA

NPI Status: Active since May 19, 2009

Contact Information

1660 S COLUMBIAN WAY # ER
SEATTLE, WA
ZIP 98108
Phone: (443) 722-3404

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  • Individual
  • Male
  • Emergency Medicine

About MICHAEL SANTIAGO

This page provides the complete NPI Profile along with additional information for Michael Santiago, a provider established in Seattle, Washington with a medical specialization in Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1588899603 assigned on May 2009. The practitioner's primary taxonomy code is 207P00000X with license number MD60332089 (WA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1588899603
Provider Name
DR. MICHAEL JOSEPH SANTIAGO MD
Gender
Male
Entity Type
Individual
Location Address
1660 S COLUMBIAN WAY # ER SEATTLE, WA 98108
Location Phone
(443) 722-3404
Mailing Address
1660 S COLUMBIAN WAY # ER SEATTLE, WA 98108
Mailing Phone
(443) 722-3404
Is Sole Proprietor?
No
Enumeration Date
05-19-2009
Last Update Date
03-03-2025
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Location Map

Secondary Locations

  • 900 Commodore Dr
    San Bruno, CA 94066
    (650) 244-9806

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

Emergency Medicine

Taxonomy Code
207P00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD60332089
License State
WA
Taxonomy Description
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

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)
1207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

A127085 (CA)
2207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

D71542 (MD)

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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 1588899603, 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 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
5
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
0
Doubled → 0
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 8 → 16 → 7 8 → 16 → 7 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 + 5 + 1 + 6 + 8 + 1 + 6 + 9 + 1 + 8 + 6 + 0 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1588899603.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1588899603, enumerated as an "individual" on May 19, 2009.

The provider is located at 1660 S COLUMBIAN WAY # ER SEATTLE, WA 98108 and the phone number is (443) 722-3404.

Emergency Medicine with taxonomy code 207P00000X.