BAHER ELHALWAGI, MD, PA
NPI 1124101589
Internal Medicine - Pulmonary Disease in Longview, TX

NPI Status: Active since October 21, 2006

Contact Information

1005 LOVERS LN
LONGVIEW, TX
ZIP 75604
Phone: (903) 315-2740
Fax: (903) 315-2742

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  • Organization
  • Internal Medicine
  • Pulmonary Disease

About BAHER ELHALWAGI, MD, PA

This page provides the complete NPI Profile along with additional information for Baher Elhalwagi, Md, Pa, an internist established in Longview, Texas operating as a Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1124101589 assigned on October 2006. The practitioner's primary taxonomy code is 207RP1001X with license number K2456 (TX). The provider is registered as an organization and their NPI record was last updated one year ago. Baher Elhalwagi, Md, Pa operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Dr. Baher M Elhalwagi M.d. (Doctor)

NPI
1124101589
Provider Legal Name
BAHER ELHALWAGI, MD, PA
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
1005 LOVERS LN LONGVIEW, TX 75604
Location Phone
(903) 315-2740
Location Fax
(903) 315-2742
Mailing Address
1005 LOVERS LN LONGVIEW, TX 75604
Mailing Phone
(903) 315-2740
Mailing Fax
(903) 315-2742
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-21-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Baher Elhalwagi, Md, Pa 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 Pulmonary Disease

Taxonomy Code
207RP1001X
Type
Allopathic & Osteopathic Physicians
License No.
K2456
License State
TX
Taxonomy Description
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

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)
1207RS0012XAllopathic & Osteopathic Physicians

Internal Medicine
Sleep Medicine

K2456 (TX)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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. BAHER M ELHALWAGI M.D.

Authorized Official Title
DOCTOR
Authorized Official Phone
(903) 315-2740

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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 1124101589, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).

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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
9
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 1 → 2 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 2 + 0 + 2 + 5 + 1 + 6 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1124101589.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124101589, enumerated as an "organization" on October 21, 2006.

The provider is located at 1005 LOVERS LN LONGVIEW, TX 75604 and the phone number is (903) 315-2740.

Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.