Nancy Yoon, MD
NPI 1396918678 · Internal Medicine Physician · Springfield, MO
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Yoon, MD is a Internal Medicine Physician provider in Springfield, MO (NPI 1396918678).
Provider details
- NPI number
- 1396918678
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 01064977 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1115 Ronald Reagan PkwySte 364Avon, IN 46123-6914Phone: (317) 217-2636Fax: (317) 217-2670
Registry dates
- Enumerated
- 2008-04-08
- Last updated
- 2019-11-19
Frequently asked questions
- What is Nancy Yoon's NPI number?
- Nancy Yoon's National Provider Identifier (NPI) is 1396918678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Yoon's specialty?
- Nancy Yoon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Yoon located?
- Nancy Yoon's practice location on file with NPPES is 227 E Chestnut Expy, Springfield, MO 65802.
- What is Nancy Yoon's phone number?
- The practice phone number listed in the NPPES registry for Nancy Yoon is (417) 864-1658.
- Does Nancy Yoon accept Medicare?
- Nancy Yoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Yoon's NPI active?
- Yes — Nancy Yoon's NPI (1396918678) is active in the NPPES registry as of the last update on 2019-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.