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NANCY M YOON MD
NPI 1396918678
Internal Medicine in Springfield, MO

Active since April 08, 2008PECOS Enrolled
227 E CHESTNUT EXPY, SPRINGFIELD, MO 65802(417) 864-1658 Get Directions Write a Review

NPPES record last updated: November 19, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Nancy M Yoon Md NPPES

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

NANCY M YOON MD (NPI 1396918678) is an individual internal medicine provider in Springfield, Missouri, licensed in Missouri (2019038997) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Avon.

NPPES Registry Identity

NPI1396918678
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameNANCY M YOONCredential: MD
Location Address227 E CHESTNUT EXPYSpringfield, MO 65802
Mailing Address227 E Chestnut ExpySpringfield, MO 65802-3847
Phone(417) 864-1658
Sole ProprietorNo
Enumeration DateApril 8, 2008
Last NPPES UpdateNovember 19, 2019
✔ NPI 1396918678 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MO · 2019038997✔ Licensed in IN · 01064977
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.
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License 01064977 (IN)
227 E CHESTNUT EXPY, Springfield, MO 65802
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Secondary Practice Location 1

Location 11115 Ronald Reagan Pkwy, Ste 364Avon, IN 46123-6914 · Phone (317) 217-2636 · Fax (317) 217-2670

Other Identifiers 2

Medicaid200926090IN
OtherP00887156IN · Railroad Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nancy M Yoon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65802 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.96 typical visit price
range $52.28 – $161.24
Typical copayment $30.49 (range $13.07 – $40.31)
Most-billed visit code 99204
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

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

CITY OF SPRINGFIELD
Public Health or Welfare
227 E CHESTNUT EXPY
SPRINGFIELD, MO 65802
Greene County (417) 864-1660

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 Nancy Yoon's NPI number?

The NPI number for Nancy Yoon is 1396918678. It was assigned to this individual provider in the NPPES registry on April 8, 2008.

Where is Nancy Yoon located?

Nancy Yoon practices at 227 E Chestnut Expy, Springfield, MO 65802. The listed phone number is (417) 864-1658.

What is Nancy Yoon's specialty?

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

Is Nancy Yoon enrolled in Medicare?

Yes. Nancy Yoon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nancy Yoon was last updated on November 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.