MARK T. GRATTAN, MD, LLC
NPI 1043413040
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Honolulu, HI

NPI Status: Active since June 07, 2007

Contact Information

888 S KING ST
HONOLULU, HI
ZIP 96813
Phone: (808) 522-3068

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About MARK T. GRATTAN, MD, LLC

This page provides the complete NPI Profile along with additional information for Mark T. Grattan, Md, Llc, a provider established in Honolulu, Hawaii operating as a Thoracic Surgery (cardiothoracic Vascular Surgery). The healthcare provider is registered in the NPI registry with number 1043413040 assigned on June 2007. The practitioner's primary taxonomy code is 208G00000X with license number MD 7469 (HI). The provider is registered as an organization and their NPI record was last updated 18 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Mark T. Grattan M.d. (Sole Proprietor)

NPI
1043413040
Provider Name
MARK T. GRATTAN, MD, LLC
Entity Type
Organization
Location Address
888 S KING ST HONOLULU, HI 96813
Location Phone
(808) 522-3068
Mailing Address
820 MILILANI ST SUITE 702A HONOLULU, HI 96813
Mailing Phone
(808) 523-9363
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-07-2007
Last Update Date
12-11-2007
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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

Thoracic Surgery (Cardiothoracic Vascular Surgery)

Taxonomy Code
208G00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD 7469
License State
HI
Taxonomy Description
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. MARK T. GRATTAN M.D.

Authorized Official Title
SOLE PROPRIETOR
Authorized Official Phone
(808) 522-3068

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
06869402MEDICAID (05)HI 
E08473MEDICARE UPIN (02)HI 
102466MEDICARE PIN (08)HI 

Reviews for MARK T. GRATTAN, MD, LLC

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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 1043413040, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
4
Doubled → 8
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 4 → 8 4 → 8 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 8 + 1 + 6 + 0 + 8 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1043413040.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
888 S KING ST
HONOLULU, HI 96813
Physician Assistant (Medical)
888 S KING ST
HONOLULU, HI 96813
Physician Assistant
888 S KING ST
HONOLULU, HI 96813
Urology
888 S KING ST, ATTN: MEDICAL STAFF - STRAUB CLINIC AND HOPSITAL
HONOLULU, HI 96813
Emergency Medicine
888 S KING ST, STRAUB CLINIC AND HOSPITAL
HONOLULU, HI 96813
Internal Medicine (Hematology & Oncology)
888 S KING ST
HONOLULU, HI 96813
Internal Medicine (Medical Oncology)
888 S KING ST
HONOLULU, HI 96813
Internal Medicine
888 S KING ST
HONOLULU, HI 96813
Hospitalist
888 S KING ST
HONOLULU, HI 96813
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
888 S KING ST
HONOLULU, HI 96813
Psychiatry & Neurology (Neurology)
888 S KING ST
HONOLULU, HI 96813
Internal Medicine (Rheumatology)
888 S KING ST
HONOLULU, HI 96813
Internal Medicine (Cardiovascular Disease)
888 S KING ST
HONOLULU, HI 96813
Optometrist
888 S KING ST
HONOLULU, HI 96813
Ophthalmology
888 S KING ST
HONOLULU, HI 96813
Pathology (Anatomic Pathology & Clinical Pathology)
888 S KING ST
HONOLULU, HI 96813
Surgery (Plastic and Reconstructive Surgery)
888 S KING ST
HONOLULU, HI 96813
Neurological Surgery
888 S KING ST
HONOLULU, HI 96813
Optometrist
888 S KING ST
HONOLULU, HI 96813
Ophthalmology
888 S KING ST
HONOLULU, HI 96813

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043413040, enumerated as an "organization" on June 07, 2007.

The provider is located at 888 S KING ST HONOLULU, HI 96813 and the phone number is (808) 522-3068.

Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

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