TK EMERGENCY PHYSICIANS GROUP PLLC
NPI 1942728019
Emergency Medicine in Houston, TX

NPI Status: Active since September 08, 2017

Contact Information

1535 WEST LOOP S
HOUSTON, TX
ZIP 77027
Phone: (832) 219-3833

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  • Organization
  • Emergency Medicine

About TK EMERGENCY PHYSICIANS GROUP PLLC

This page provides the complete NPI Profile along with additional information for Tk Emergency Physicians Group Pllc, a provider established in Houston, Texas operating as a Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1942728019 assigned on September 2017. The practitioner's primary taxonomy code is 207P00000X. The provider is registered as an organization and their NPI record was last updated January 2026. Tk Emergency Physicians Group Pllc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Darleen Callahan Mph (Vp, Revenue Cycle)

NPI
1942728019
Provider Name
TK EMERGENCY PHYSICIANS GROUP PLLC
Entity Type
Organization
Location Address
1535 WEST LOOP S HOUSTON, TX 77027
Location Phone
(832) 219-3833
Mailing Address
1535 WEST LOOP S HOUSTON, TX 77027
Mailing Phone
(832) 219-3833
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-08-2017
Last Update Date
01-14-2026
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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

Emergency Medicine

Taxonomy Code
207P00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

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)
1207L00000XAllopathic & Osteopathic Physicians

Anesthesiology

 
2207LP2900XAllopathic & Osteopathic Physicians

Anesthesiology
Pain Medicine

 
3367H00000XPhysician Assistants & Advanced Practice Nursing Providers

Anesthesiologist Assistant

 

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

DARLEEN CALLAHAN MPH

Authorized Official Title
VP, REVENUE CYCLE
Authorized Official Phone
(607) 437-7902

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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 1942728019, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
9
Unchanged
Pos 3
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
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 4 → 8 7 → 14 → 5 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 4 + 2 + 1 + 6 + 0 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1942728019.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Specialist
1535 WEST LOOP S
HOUSTON, TX 77027
Pharmacy (Community/Retail Pharmacy)
1535 WEST LOOP S, SUITE 322
HOUSTON, TX 77027
Pharmacy (Community/Retail Pharmacy)
1535 WEST LOOP S, SOUTH OFFICE BLDG, STE 319
HOUSTON, TX 77027
Nurse Practitioner (Family)
1535 WEST LOOP S, #340
HOUSTON, TX 77027

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942728019, enumerated as an "organization" on September 08, 2017.

The provider is located at 1535 WEST LOOP S HOUSTON, TX 77027 and the phone number is (832) 219-3833.

Emergency Medicine with taxonomy code 207P00000X.