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RACHEL SIM MD PA
NPI 1871902858
Internal Medicine in Plano, TX

Active since August 04, 2014CLIA 45D2153224 · Waiver
6309 PRESTON RD STE 1400, PLANO, TX 75024(469) 443-0719(469) 443-0569 Get Directions Write a Review

NPPES record last updated: October 2, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Rachel Sim Md Pa NPPES

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

RACHEL SIM MD PA (NPI 1871902858) is a healthcare organization registered as an internal medicine in Plano, Texas and active in the NPI registry since August 2014. The organization holds a CLIA Waiver certificate valid through August 22, 2026 and lists Meesun Rachel Sim, President, as its authorized official.

NPPES Registry Identity

NPI1871902858
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameRACHEL SIM MD PA
Location Address6309 PRESTON RD STE 1400Plano, TX 75024
Mailing Address6309 Preston Rd Ste 1400Plano, TX 75024-2740 · (469) 443-0719 · Fax (469) 443-0569
Phone(469) 443-0719
Fax(469) 443-0569
Organization SubpartNo
Authorized OfficialMeesun Rachel SimPresident · (617) 838-1089
Enumeration DateAugust 4, 2014
Last NPPES UpdateOctober 2, 2018
✔ NPI 1871902858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · N6026
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.
6309 PRESTON RD STE 1400, Plano, TX 75024
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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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 45D2153224

Rachel Sim, MD, PA · Plano, TX
Active · expires Aug 22, 2026
CLIA Number45D2153224
Laboratory TypePhysician Office
Certificate Effective DateAugust 23, 2024
Certificate Expiration DateAugust 22, 2026
Laboratory DirectorMeesun Rachel Sim
Laboratory Phone(469) 443-0719
Laboratory LocationRachel Sim, MD, PA6309 Preston Rd Ste #1400, Plano, TX 75024
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

DR. MEESUN RACHEL SIM M.D.
Internal Medicine
6309 PRESTON RD STE 1400
PLANO, TX 75024
Collin County (469) 443-0719

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 Rachel Sim MD PA's NPI number?

The NPI number for Rachel Sim MD PA is 1871902858. It was assigned to this organization in the NPPES registry on August 4, 2014.

Where is Rachel Sim MD PA located?

Rachel Sim MD PA is located at 6309 Preston Rd Ste 1400, Plano, TX 75024. The listed phone number is (469) 443-0719.

What is Rachel Sim MD PA's specialty?

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

Does Rachel Sim MD PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D2153224) is associated with this NPI, valid through August 22, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Rachel Sim MD PA accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 1 other insurer list Rachel Sim MD PA as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Rachel Sim MD PA was last updated on October 2, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.