DR. DEREK SMITH M.D.
NPI 1346561941
Allergy & Immunology in Jbsa Lackland, TX

NPI Status: Active since June 17, 2010

Contact Information

1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX
ZIP 78236
Phone: (210) 292-6255
Fax: (210) 292-7934

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  • Individual
  • Male
  • Allergy & Immunology
  • PECOS Enrolled

About DEREK SMITH

This page provides the complete NPI Profile along with additional information for Derek Smith, a provider established in Jbsa Lackland, Texas with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1346561941 assigned on June 2010. The practitioner's primary taxonomy code is 207K00000X with license number S6742 (TX). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1346561941
Provider Name
DR. DEREK SMITH M.D.
Gender
Male
Entity Type
Individual
Location Address
1100 WILFORD HALL LOOP BLDG 4554 JBSA LACKLAND, TX 78236
Location Phone
(210) 292-6255
Location Fax
(210) 292-7934
Mailing Address
1100 WILFORD HALL LOOP BLDG 4554 JBSA LACKLAND, TX 78236
Mailing Phone
(210) 292-6255
Mailing Fax
(210) 292-7934
Is Sole Proprietor?
Yes
Enumeration Date
06-17-2010
Last Update Date
08-15-2025
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Location Map

Secondary Locations

  • 3551 Roger Brooke Dr
    Fort Sam Houston, TX 78234
    (210) 916-7500

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

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
S6742
License State
TX
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Medicare Participation & PECOS Enrollment Status

Derek Smith is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

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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 1346561941, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
3
Unchanged
Pos 3
4
Doubled → 8
Pos 4
6
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
4
Doubled → 8
Check
1
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 5 → 10 → 1 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 8 + 6 + 1 + 0 + 6 + 2 + 9 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1346561941.

Other Providers at the Same Location


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

Ophthalmology (Glaucoma Specialist)
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Family Medicine
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Psychologist
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Chiropractor
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Physical Therapist (Orthopedic)
1100 WILFORD HALL LOOP BLDG 4554, ATTN: 59 MDW/SGHC
JBSA LACKLAND, TX 78236
Psychologist (Clinical)
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Social Worker (Clinical)
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Chiropractor
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Dentist (Oral and Maxillofacial Surgery)
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Pediatrics
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Nurse Practitioner (Family)
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Preventive Medicine (Aerospace Medicine)
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Family Medicine
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Radiology (Diagnostic Radiology)
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Nurse Practitioner (Psychiatric/Mental Health)
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236
Family Medicine
1100 WILFORD HALL LOOP BLDG 4554
SAN ANTONIO, TX 78236
Internal Medicine
1100 WILFORD HALL LOOP BLDG 4554
LACKLAND AFB, TX 78236
Psychiatry & Neurology (Psychiatry)
1100 WILFORD HALL LOOP BLDG 4554, ATTN: 59 MDW/SGHC
JBSA LACKLAND, TX 78236
Nurse Practitioner (Women's Health)
1100 WILFORD HALL LOOP BLDG 4554
JBSA LACKLAND, TX 78236

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346561941, enumerated as an "individual" on June 17, 2010.

The provider is located at 1100 WILFORD HALL LOOP BLDG 4554 JBSA LACKLAND, TX 78236 and the phone number is (210) 292-6255.

Allergy & Immunology with taxonomy code 207K00000X.