GREGORY DONALD LUTZAK MD, FRCPC
NPI 1801184023
Internal Medicine - Gastroenterology in Seattle, WA

NPI Status: Active since July 21, 2011

Contact Information

1100 9TH AVE
C3-GAS
SEATTLE, WA
ZIP 98101
Phone: (206) 625-7373

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About GREGORY LUTZAK

This page provides the complete NPI Profile along with additional information for Gregory Lutzak, an internist established in Seattle, Washington with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1801184023 assigned on July 2011. The practitioner's primary taxonomy code is 207RG0100X with license number 20202812 (WA). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1801184023
Provider Name
GREGORY DONALD LUTZAK MD, FRCPC
Gender
Male
Entity Type
Individual
Location Address
1100 9TH AVE C3-GAS SEATTLE, WA 98101
Location Phone
(206) 625-7373
Mailing Address
1100 9TH AVE C3-GAS SEATTLE, WA 98101
Mailing Phone
(206) 625-7373
Is Sole Proprietor?
No
Enumeration Date
07-21-2011
Last Update Date
07-06-2012
Code Navigator

An internist like Gregory Lutzak 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
20202812
License State
WA
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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.

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
P01025157OTHER (01)WARAILROAD MEDICARE
8905329MEDICARE PIN (08)WA 
1801184023MEDICAID (05)WA 

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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 1801184023, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
2
Doubled → 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 0 → 0 1 → 2 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 2 + 8 + 8 + 0 + 4 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1801184023.

Other Providers at the Same Location


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

Nurse Practitioner (Women's Health)
1100 9TH AVE, C6-GS
SEATTLE, WA 98101
Internal Medicine
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Hematology & Oncology)
1100 9TH AVE, PO BOX: 900
SEATTLE, WA 98101
Internal Medicine (Nephrology)
1100 9TH AVE
SEATTLE, WA 98101
Emergency Medicine (Undersea and Hyperbaric Medicine)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE, MS:M4 - PA
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Nurse Anesthetist, Certified Registered
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Anesthesiology
1100 9TH AVE
SEATTLE, WA 98101
Anesthesiology
1100 9TH AVE
SEATTLE, WA 98101
Anesthesiology
1100 9TH AVE
SEATTLE, WA 98101
Anesthesiology
1100 9TH AVE
SEATTLE, WA 98101
Allergy & Immunology
1100 9TH AVE
SEATTLE, WA 98101

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801184023, enumerated as an "individual" on July 21, 2011.

The provider is located at 1100 9TH AVE C3-GAS SEATTLE, WA 98101 and the phone number is (206) 625-7373.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

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