DR. MICHAEL ALAN LEFF M.D.
NPI 1487749651
Specialist in Bellevue, WA

NPI Status: Active since October 04, 2006

Contact Information

1600 116TH AVE NE
SUITE 204
BELLEVUE, WA
ZIP 98004
Phone: (425) 454-5133
Fax: (425) 453-9817

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  • Individual
  • Male
  • Specialist

About MICHAEL LEFF

This page provides the complete NPI Profile along with additional information for Michael Leff, a provider established in Bellevue, Washington with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1487749651 assigned on October 2006. The practitioner's primary taxonomy code is 174400000X with license number MD00014429 (WA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1487749651
Provider Name
DR. MICHAEL ALAN LEFF M.D.
Gender
Male
Entity Type
Individual
Location Address
1600 116TH AVE NE SUITE 204 BELLEVUE, WA 98004
Location Phone
(425) 454-5133
Location Fax
(425) 453-9817
Mailing Address
1600 116TH AVE NE SUITE 204 BELLEVUE, WA 98004
Mailing Phone
(425) 454-5133
Mailing Fax
(425) 453-9817
Is Sole Proprietor?
Yes
Enumeration Date
10-04-2006
Last Update Date
07-08-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
MD00014429
License State
WA
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1487749651, 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
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 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 8 → 16 → 7 7 → 14 → 5 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 4 + 4 + 1 + 8 + 6 + 1 + 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 1487749651.

Other Providers at the Same Location


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

Nurse Practitioner
1600 116TH AVE NE, SUITE 102
BELLEVUE, WA 98004
Physical Medicine & Rehabilitation (Sports Medicine)
1600 116TH AVE NE, SUITE 202
BELLEVUE, WA 98004
Obstetrics & Gynecology
1600 116TH AVE NE, #104
BELLEVUE, WA 98004
Nurse Anesthetist, Certified Registered
1600 116TH AVE NE
BELLVUE, WA 98004
Dermatology
1600 116TH AVE NE, #306
BELLEVUE, WA 98004
Specialist
1600 116TH AVE NE, SUITE #102
BELLEVUE, WA 98004
Specialist
1600 116TH AVE NE, SUITE 302
BELLEVUE, WA 98004
Obstetrics & Gynecology
1600 116TH AVE NE, #104
BELLEVUE, WA 98004
Obstetrics & Gynecology
1600 116TH AVE NE, #104
BELLEVUE, WA 98004
Obstetrics & Gynecology
1600 116TH AVE NE, #104
BELLEVUE, WA 98004
Physical Medicine & Rehabilitation (Sports Medicine)
1600 116TH AVE NE, SUITE 202
BELLEVUE, WA 98004
Physical Medicine & Rehabilitation
1600 116TH AVE NE, SUITE 202
BELLEVUE, WA 98004
Nurse Anesthetist, Certified Registered
1600 116TH AVE NE
BELLEVUE, WA 98004
Internal Medicine (Cardiovascular Disease)
1600 116TH AVE NE, SUITE 206
BELLEVUE, WA 98004
Nurse Practitioner (Family)
1600 116TH AVE NE, SUITE #102
BELLEVUE, WA 98004
Clinic/Center (Medical Specialty)
1600 116TH AVE NE, SUITE 302
BELLEVUE, WA 98004
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
1600 116TH AVE NE, SUITE #302
BELLEVUE, WA 98004
Neurological Surgery
1600 116TH AVE NE, SUITE 302
BELLEVUE, WA 98004
Obstetrics & Gynecology
1600 116TH AVE NE, #104
BELLEVUE, WA 98004
Urology
1600 116TH AVE NE, SUITE #104
BELLEVUE, WA 98004

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487749651, enumerated as an "individual" on October 04, 2006.

The provider is located at 1600 116TH AVE NE SUITE 204 BELLEVUE, WA 98004 and the phone number is (425) 454-5133.

Specialist with taxonomy code 174400000X.