INTERNAL MEDICINE ASSOCIATES
NPI 1235477548
Internal Medicine in Oklahoma City, OK

NPI Status: Active since January 21, 2013

Contact Information

3330 NW 56TH ST STE 208
OKLAHOMA CITY, OK
ZIP 73112
Phone: (405) 604-0688
Fax: (405) 604-0689

Get Directions Write a Review

  • Organization
  • Internal Medicine
  • CLIA Number: 37D1090429
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-09-2026

About INTERNAL MEDICINE ASSOCIATES

This page provides the complete NPI Profile along with additional information for Internal Medicine Associates, an internist established in Oklahoma City, Oklahoma operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1235477548 assigned on January 2013. The practitioner's primary taxonomy code is 207R00000X with license number APA2216 (OK). The provider is registered as an organization and their NPI record was last updated March 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Ms. Kieuhan Theresa Tran Pa-c (Physician Assistant)

NPI
1235477548
Provider Name
INTERNAL MEDICINE ASSOCIATES
Entity Type
Organization
Location Address
3330 NW 56TH ST STE 208 OKLAHOMA CITY, OK 73112
Location Phone
(405) 604-0688
Location Fax
(405) 604-0689
Mailing Address
3330 NW 56TH ST STE 208 OKLAHOMA CITY, OK 73112
Mailing Phone
(405) 604-0688
Mailing Fax
(405) 604-0689
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-21-2013
Last Update Date
03-19-2026
Code Navigator

An internist like Internal Medicine Associates 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.
APA2216
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

MS. KIEUHAN THERESA TRAN PA-C

Authorized Official Title
PHYSICIAN ASSISTANT
Authorized Official Phone
(405) 604-0688

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
37D1090429
Facility Type
Physician Office
Certificate Effective Date
October 10, 2024
Certificate Expiration Date
October 09, 2026
Laboratory Director
RAKESH PRASAD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Internal Medicine Associates to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

Reviews for INTERNAL MEDICINE ASSOCIATES

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1235477548, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
4
Doubled → 8
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 3 → 6 4 → 8 7 → 14 → 5 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 8 + 7 + 1 + 4 + 5 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1235477548.

Other Providers at the Same Location


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

Physician Assistant
3330 NW 56TH ST STE 208
OKLAHOMA CITY, OK 73112
Nurse Practitioner (Family)
3330 NW 56TH ST STE 208
OKLAHOMA CITY, OK 73112
Internal Medicine (Pulmonary Disease)
3330 NW 56TH ST STE 208
OKLAHOMA CITY, OK 73112
Nurse Practitioner (Family)
3330 NW 56TH ST STE 208
OKLAHOMA CITY, OK 73112

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235477548, enumerated as an "organization" on January 21, 2013.

The provider is located at 3330 NW 56TH ST STE 208 OKLAHOMA CITY, OK 73112 and the phone number is (405) 604-0688.

Internal Medicine with taxonomy code 207R00000X.