DR. CARSON LONCARICH MD
NPI 1326765058
Internal Medicine in Tulsa, OK

NPI Status: Active since October 24, 2022

Contact Information

4444 E 41ST ST
TULSA, OK
ZIP 74135
Phone: (918) 619-4400

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  • Individual
  • Male
  • Internal Medicine

About CARSON LONCARICH

This page provides the complete NPI Profile along with additional information for Carson Loncarich, an internist established in Tulsa, Oklahoma with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1326765058 assigned on October 2022. The practitioner's primary taxonomy code is 207R00000X with license number 50131 (OK). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1326765058
Provider Name
DR. CARSON LONCARICH MD
Gender
Male
Entity Type
Individual
Location Address
4444 E 41ST ST TULSA, OK 74135
Location Phone
(918) 619-4400
Mailing Address
25323 S VALLEY DR CLAREMORE, OK 74019
Mailing Phone
(417) 438-0432
Is Sole Proprietor?
No
Enumeration Date
10-24-2022
Last Update Date
07-04-2026
Code Navigator

An internist like Carson Loncarich 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.
50131
License State
OK
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.

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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 1326765058, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
2
Doubled → 4
Pos 4
6
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
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 7 → 14 → 5 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 4 + 6 + 1 + 4 + 6 + 1 + 0 + 0 + 1 + 0 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1326765058.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
4444 E 41ST ST, 3RD FLOOR, STE A
TULSA, OK 74135
Nurse Practitioner
4444 E 41ST ST, 1ST FLOOR, STE B
TULSA, OK 74135
Pediatrics (Pediatric Endocrinology)
4444 E 41ST ST, 1ST FLOOR, STE B
TULSA, OK 74135
Nurse Practitioner
4444 E 41ST ST, 1ST FLOOR, STE B
TULSA, OK 74135
Advanced Practice Midwife
4444 E 41ST ST, 3RD FLOOR STE B
TULSA, OK 74135
Physician Assistant
4444 E 41ST ST, 3RD FLOOR, STE B
TULSA, OK 74135
Internal Medicine (Geriatric Medicine)
4444 E 41ST ST, 3RD FLOOR, STE A
TULSA, OK 74135
Pediatrics
4444 E 41ST ST, 2ND FLOOR STE A
TULSA, OK 74135
Pediatrics
4444 E 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135
Pediatrics
4444 E 41ST ST, 2ND FLOOR STE A
TULSA, OK 74135
Pediatrics
4444 E 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135
Pediatrics
4444 E 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135
Pediatrics
4444 E 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135
Pediatrics
4444 E 41ST ST, 2ND FLOOR, STE. A
TULSA, OK 74135
Counselor (Professional)
4444 E 41ST ST, 3RD FLOOR, STE C
TULSA, OK 74135
Pediatrics
4444 E 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135
Physician Assistant
4444 E 41ST ST, 3RD FLOOR, STE A
TULSA, OK 74135
Pediatrics
4444 E 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135
Pediatrics (Pediatric Endocrinology)
4444 E 41ST ST, 1ST FLOOR, STE B
TULSA, OK 74135
Pediatrics (Adolescent Medicine)
4444 E 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326765058, enumerated as an "individual" on October 24, 2022.

The provider is located at 4444 E 41ST ST TULSA, OK 74135 and the phone number is (918) 619-4400.

Internal Medicine with taxonomy code 207R00000X.