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

Active since January 21, 2013CLIA 37D1090429 · Waiver
3330 NW 56TH ST STE 208, OKLAHOMA CITY, OK 73112(405) 604-0688(405) 604-0689 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Internal Medicine Associates NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

INTERNAL MEDICINE ASSOCIATES (NPI 1235477548) is a healthcare organization registered as an internal medicine in Oklahoma City, Oklahoma and active in the NPI registry since January 2013. The organization holds a CLIA Waiver certificate valid through October 9, 2026 and lists Kieuhan Theresa Tran, Physician Assistant, as its authorized official.

NPPES Registry Identity

NPI1235477548
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameINTERNAL MEDICINE ASSOCIATES
Location Address3330 NW 56TH ST STE 208Oklahoma City, OK 73112-4426
Mailing Address3330 Nw 56th St Ste 208Oklahoma City, OK 73112-4426 · (405) 604-0688 · Fax (405) 604-0689
Phone(405) 604-0688
Fax(405) 604-0689
Organization SubpartNo
Authorized OfficialKieuhan Theresa TranPhysician Assistant · (405) 604-0688
Enumeration DateJanuary 21, 2013
Last NPPES UpdateMarch 19, 2026
NPPES CertifiedMarch 19, 2026
✔ NPI 1235477548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OK · APA2216
Definition
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.
3330 NW 56TH ST STE 208, Oklahoma City, OK 73112
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 37D1090429

Internal Medicine And Associates Of Okc Ppl · Oklahoma City, OK
Active · expires Oct 9, 2026
CLIA Number37D1090429
Laboratory TypePhysician Office
Certificate Effective DateOctober 10, 2024
Certificate Expiration DateOctober 9, 2026
Laboratory DirectorRakesh Prasad
Laboratory Phone(405) 604-0688
Laboratory LocationInternal Medicine And Associates Of Okc Ppl3613 NW 56th, Ste 318, Oklahoma City, OK 73112
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NAJWA A BAHU-BAUGH M D P C
Internal Medicine (Pulmonary Disease)
3330 NW 56TH ST STE 208
OKLAHOMA CITY, OK 73112
Oklahoma County (405) 604-0688
KATHRYN RUTH HOOK APRN
Nurse Practitioner (Family)
3330 NW 56TH ST STE 208
OKLAHOMA CITY, OK 73112
Oklahoma County (405) 604-0688
MS. KIEUHAN THERESA PHAM PA-C
Physician Assistant
3330 NW 56TH ST STE 208
OKLAHOMA CITY, OK 73112
Oklahoma County (405) 604-0688
GARRETT MORGAN
Nurse Practitioner (Family)
3330 NW 56TH ST STE 208
OKLAHOMA CITY, OK 73112
Oklahoma County (405) 641-9954

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Internal Medicine Associates's NPI number?

The NPI number for Internal Medicine Associates is 1235477548. It was assigned to this organization in the NPPES registry on January 21, 2013.

Where is Internal Medicine Associates located?

Internal Medicine Associates is located at 3330 NW 56th St Ste 208, Oklahoma City, OK 73112. The listed phone number is (405) 604-0688.

What is Internal Medicine Associates's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Internal Medicine Associates hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 37D1090429) is associated with this NPI, valid through October 9, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Internal Medicine Associates was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.