DR. LAURENT GRESSOT M.D.
NPI 1215930367
Internal Medicine - Hematology & Oncology in Houston, TX

NPI Status: Active since May 23, 2005

Contact Information

17323 RED OAK DR
HOUSTON, TX
ZIP 77090
Phone: (281) 440-5006
Fax: (281) 440-6149

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  • Individual
  • Male
  • Internal Medicine
  • Hematology & Oncology

About LAURENT GRESSOT

This page provides the complete NPI Profile along with additional information for Laurent Gressot, an internist established in Houston, Texas with a medical specialization in Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1215930367 assigned on May 2005. The practitioner's primary taxonomy code is 207RH0003X with license number H6257 (TX). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1215930367
Provider Name
DR. LAURENT GRESSOT M.D.
Gender
Male
Entity Type
Individual
Location Address
17323 RED OAK DR HOUSTON, TX 77090
Location Phone
(281) 440-5006
Location Fax
(281) 440-6149
Mailing Address
17323 RED OAK DR HOUSTON, TX 77090
Mailing Phone
(281) 440-5006
Mailing Fax
(281) 440-6149
Is Sole Proprietor?
No
Enumeration Date
05-23-2005
Last Update Date
11-25-2014
Code Navigator

An internist like Laurent Gressot 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 Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
License No.
H6257
License State
TX
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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)
1174400000XOther Service Providers

Specialist

H6257 (TX)

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.

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
E43866MEDICARE UPIN (02)TX 
830005153MEDICARE PIN (08)TX 
0533800001MEDICARE NSC (07)TX 
89G024MEDICARE PIN (08)TX 
1215930367MEDICARE PIN (08)TX 

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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 1215930367, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 2 + 5 + 1 + 8 + 3 + 0 + 3 + 1 + 2 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1215930367.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Clinic/Center (Medical Specialty)
17323 RED OAK DR
HOUSTON, TX 77090
Specialist
17323 RED OAK DR
HOUSTON, TX 77090
Internal Medicine (Hematology & Oncology)
17323 RED OAK DR
HOUSTON, TX 77090
Internal Medicine (Rheumatology)
17323 RED OAK DR
HOUSTON, TX 77090
Internal Medicine (Hematology & Oncology)
17323 RED OAK DR
HOUSTON, TX 77090

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215930367, enumerated as an "individual" on May 23, 2005.

The provider is located at 17323 RED OAK DR HOUSTON, TX 77090 and the phone number is (281) 440-5006.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.

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