Rachel Sim MD PA
NPI 1871902858 · Internal Medicine Physician · Plano, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachel Sim MD PA is a Internal Medicine Physician organization in Plano, TX (NPI 1871902858).
Provider details
- NPI number
- 1871902858
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Meesun Sim, President(617) 838-1089
- License
- N6026 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-08-04
- Last updated
- 2018-10-02
Frequently asked questions
- What is Rachel Sim MD PA's NPI number?
- Rachel Sim MD PA's National Provider Identifier (NPI) is 1871902858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Rachel Sim MD PA?
- Rachel Sim MD PA is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rachel Sim MD PA located?
- Rachel Sim MD PA's practice location on file with NPPES is 6309 Preston Rd Ste 1400, Plano, TX 75024.
- What is Rachel Sim MD PA's phone number?
- The practice phone number listed in the NPPES registry for Rachel Sim MD PA is (469) 443-0719.
- Does Rachel Sim MD PA accept Medicare?
- Rachel Sim MD PA is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Rachel Sim MD PA?
- The authorized official listed on Rachel Sim MD PA's NPPES record is Meesun Sim, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Rachel Sim MD PA's NPI active?
- Yes — Rachel Sim MD PA's NPI (1871902858) is active in the NPPES registry as of the last update on 2018-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.