Richard Nguyen
NPI 1588045009 · Internal Medicine Physician · Columbia, MO
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Nguyen is a Internal Medicine Physician provider in Columbia, MO (NPI 1588045009).
Provider details
- NPI number
- 1588045009
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 2018019486 (MO)
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
- 2015-06-10
- Last updated
- 2026-02-04
- Certified
- 2026-02-04
Frequently asked questions
- What is Richard Nguyen's NPI number?
- Richard Nguyen's National Provider Identifier (NPI) is 1588045009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Nguyen's specialty?
- Richard Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Nguyen located?
- Richard Nguyen's practice location on file with NPPES is 800 Hospital Dr, Columbia, MO 65212-1000.
- What is Richard Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Richard Nguyen is (573) 884-9066.
- Does Richard Nguyen accept Medicare?
- Richard Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Nguyen's NPI active?
- Yes — Richard Nguyen's NPI (1588045009) is active in the NPPES registry as of the last update on 2026-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.