DR. HERIBERTO JOSE CALLEJAS M.D.
NPI 1821107194
Internal Medicine in Dallas, TX

NPI Status: Active since August 30, 2006

Contact Information

129 W 9TH ST
DALLAS, TX
ZIP 75208
Phone: (214) 941-0032

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  • Individual
  • Male
  • Internal Medicine
  • Accepts Insurance

About HERIBERTO CALLEJAS

This page provides the complete NPI Profile along with additional information for Heriberto Callejas, an internist established in Dallas, Texas with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1821107194 assigned on August 2006. The practitioner's primary taxonomy code is 207R00000X with license number K1380 (TX). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1821107194
Provider Name
DR. HERIBERTO JOSE CALLEJAS M.D.
Gender
Male
Entity Type
Individual
Location Address
129 W 9TH ST DALLAS, TX 75208
Location Phone
(214) 941-0032
Mailing Address
PO BOX 847293 DALLAS, TX 75284
Is Sole Proprietor?
No
Enumeration Date
08-30-2006
Last Update Date
06-06-2008
Code Navigator

An internist like Heriberto Callejas 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
K1380
License State
TX
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • BlueCare EPO Bronze - EPO
  • BlueCare EPO Gold - EPO
  • BlueCare EPO Gold Plus - EPO
  • BlueCare EPO Silver Plus - EPO
  • BlueCare EPO Simple Bronze HDHP - EPO
  • BlueCare EPO Simple Silver HDHP - EPO
  • BlueCare EPO Standardized Expanded Bronze - EPO
  • BlueCare EPO Standardized Gold - EPO
  • BlueCare EPO Standardized Silver - EPO
  • Molina Gold Core 1640 - HMO
  • Molina Gold Core 1640 Plus with Adult Dental and Vision - HMO
  • Molina Gold Core 1640 Plus with Adult Vision - HMO
  • Molina Gold Saver 750 - HMO
  • Molina Gold Saver 750 Plus with Adult Dental and Vision - HMO
  • Molina Gold Saver 750 Plus with Adult Vision - HMO
  • Molina Gold Standard - HMO
  • Molina Silver Core - HMO
  • Molina Silver Core Plus with Adult Dental and Vision - HMO
  • Molina Silver Core Plus with Adult Vision - HMO
  • Molina Silver Saver with Four Free PCP Visits - HMO
  • Molina Silver Standard - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 34 times for 23 patients

Insertion of needle into vein for collection of blood sample

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

This service was performed 36 times for 25 patients

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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 1821107194, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 2 + 0 + 1 + 4 + 1 + 1 + 8 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1821107194.

Other Providers at the Same Location


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

Family Medicine
129 W 9TH ST
DALLAS, TX 75208
Family Medicine
129 W 9TH ST
DALLAS, TX 75208
Family Medicine
129 W 9TH ST
DALLAS, TX 75208
Physician Assistant
129 W 9TH ST
DALLAS, TX 75208

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821107194, enumerated as an "individual" on August 30, 2006.

The provider is located at 129 W 9TH ST DALLAS, TX 75208 and the phone number is (214) 941-0032.

Internal Medicine with taxonomy code 207R00000X.

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