DR. ALASDAIR GILCHRIST M.D.
NPI 1790868396
Otolaryngology in Houston, TX

NPI Status: Active since October 24, 2006

Contact Information

1740 W 27TH ST
SUITE 234
HOUSTON, TX
ZIP 77008
Phone: (713) 802-9779
Fax: (713) 802-2289

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  • Individual
  • Male
  • Otolaryngology

About ALASDAIR GILCHRIST

This page provides the complete NPI Profile along with additional information for Alasdair Gilchrist, a provider established in Houston, Texas with a medical specialization in Otolaryngology. The healthcare provider is registered in the NPI registry with number 1790868396 assigned on October 2006. The practitioner's primary taxonomy code is 207Y00000X with license number F2679 (TX). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1790868396
Provider Name
DR. ALASDAIR GILCHRIST M.D.
Gender
Male
Entity Type
Individual
Location Address
1740 W 27TH ST SUITE 234 HOUSTON, TX 77008
Location Phone
(713) 802-9779
Location Fax
(713) 802-2289
Mailing Address
1740 W 27TH ST SUITE 234 HOUSTON, TX 77008
Mailing Phone
(713) 802-9779
Mailing Fax
(713) 802-2289
Is Sole Proprietor?
No
Enumeration Date
10-24-2006
Last Update Date
10-03-2012
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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

Otolaryngology

Taxonomy Code
207Y00000X
Type
Allopathic & Osteopathic Physicians
License No.
F2679
License State
TX
Taxonomy Description
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

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)
1207YS0012XAllopathic & Osteopathic Physicians

Otolaryngology
Sleep Medicine

F2679 (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.

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
8A8402OTHER (01)TXBLUE CROSS BLUE SHIELD
B22979MEDICARE UPIN (02) 
8A8402MEDICARE 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 1790868396, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
6
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 9 → 18 → 9 8 → 16 → 7 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 6 + 6 + 1 + 6 + 3 + 1 + 8 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1790868396.

Other Providers at the Same Location


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

Pediatrics
1740 W 27TH ST, STE 305
HOUSTON, TX 77008
Podiatrist (Foot & Ankle Surgery)
1740 W 27TH ST, SUITE 110
HOUSTON, TX 77008
Chiropractor
1740 W 27TH ST, SUITE 221
HOUSTON, TX 77008
Podiatrist (Foot & Ankle Surgery)
1740 W 27TH ST, SUITE 110
HOUSTON, TX 77008
Dermatology
1740 W 27TH ST
HOUSTON, TX 77008
Podiatrist (Foot & Ankle Surgery)
1740 W 27TH ST, SUITE 110
HOUSTON, TX 77008
Obstetrics & Gynecology
1740 W 27TH ST, SUITE 207
HOUSTON, TX 77008
Allergy & Immunology (Allergy)
1740 W 27TH ST, SUITE 333
HOUSTON, TX 77008
Obstetrics & Gynecology
1740 W 27TH ST, 301
HOUSTON, TX 77008
Internal Medicine (Nephrology)
1740 W 27TH ST, 209
HOUSTON, TX 77008
Eyewear Supplier
1740 W 27TH ST, SUITE 180
HOUSTON, TX 77008
Podiatrist
1740 W 27TH ST, SUITE 110
HOUSTON, TX 77008
Dentist
1740 W 27TH ST, SUITE 140
HOUSTON, TX 77008
Clinical Medical Laboratory
1740 W 27TH ST
HOUSTON, TX 77008
Audiologist
1740 W 27TH ST, SUITE 234
HOUSTON, TX 77008
Dermatology (Dermatopathology)
1740 W 27TH ST, SUITE 213
HOUSTON, TX 77008
Technician/Technologist (Optician)
1740 W 27TH ST, SUITE 180
HOUSTON, TX 77008
Pediatrics
1740 W 27TH ST, SUITE #305
HOUSTON, TX 77008
Clinic/Center (Hearing and Speech)
1740 W 27TH ST, SUITE 234
HOUSTON, TX 77008
Obstetrics & Gynecology
1740 W 27TH ST, 207
HOUSTON, TX 77008

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790868396, enumerated as an "individual" on October 24, 2006.

The provider is located at 1740 W 27TH ST SUITE 234 HOUSTON, TX 77008 and the phone number is (713) 802-9779.

Otolaryngology with taxonomy code 207Y00000X.

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