GRADY R HARTZOG III MD
NPI 1023039062
Radiology - Diagnostic Radiology in Seattle, WA

NPI Status: Active since July 23, 2006

Contact Information

1100 9TH AVE
SEATTLE, WA
ZIP 98101
Phone: (206) 223-6600

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  • Individual
  • Male
  • Radiology
  • Diagnostic Radiology

About GRADY HARTZOG

This page provides the complete NPI Profile along with additional information for Grady Hartzog, a provider established in Seattle, Washington with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1023039062 assigned on July 2006. The practitioner's primary taxonomy code is 2085R0202X with license number MD00033711 (WA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1023039062
Provider Name
GRADY R HARTZOG III MD
Gender
Male
Entity Type
Individual
Location Address
1100 9TH AVE SEATTLE, WA 98101
Location Phone
(206) 223-6600
Mailing Address
1100 OLIVE WAY MSC M4-PA SEATTLE, WA 98101
Is Sole Proprietor?
No
Enumeration Date
07-23-2006
Last Update Date
04-10-2008
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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

Radiology Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
MD00033711
License State
WA
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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.

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
0039587OTHER (01)WALABOR & INDUSTRY
US2516708OTHER (01)WAAETNA/USHC SPECIALIST
AB21212MEDICARE PIN (08)WA 
MD1151WOTHER (01)WAALASKA MEDICAID
1094HAOTHER (01)WABLUE SHIELD
D52489MEDICARE UPIN (02) 
8278582MEDICAID (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 1023039062, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
2
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 0 → 0 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 4 + 3 + 0 + 3 + 1 + 8 + 0 + 1 + 2 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1023039062.

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 1023039062, enumerated as an "individual" on July 23, 2006.

The provider is located at 1100 9TH AVE SEATTLE, WA 98101 and the phone number is (206) 223-6600.

Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.

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