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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOHNNY JASON YANG MD
NPI 1437739869
Family Medicine in Crystal Cty, MO

Active since April 09, 2021PECOS Enrolled
1390 US HIGHWAY 61 STE N-1000, CRYSTAL CTY, MO 63028(636) 933-9300(636) 933-9114 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 25, 2026, Aug 20, 2026, Apr 9, 2021 (3 updates tracked since 2021).

About Dr. Johnny Jason Yang Md NPPES

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

DR. JOHNNY JASON YANG MD (NPI 1437739869) is an individual family medicine provider in Crystal Cty, Missouri, licensed in Missouri (2026038969) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437739869
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JOHNNY JASON YANGCredential: MD
Location Address1390 US HIGHWAY 61 STE N-1000Crystal Cty, MO 63028-4136
Mailing AddressPo Box 776084Chicago, IL 60677-6084 · (314) 364-7586
Phone(636) 933-9300
Fax(636) 933-9114
Sole ProprietorNo
Enumeration DateApril 9, 2021
Last NPPES UpdateAugust 25, 20263 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
✔ NPI 1437739869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MO · 2026038969
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1390 US HIGHWAY 61 STE N-1000, Crystal Cty, MO 63028
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Johnny Jason Yang 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 63028 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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 4

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

ZACHARY FLETCHER DO
Internal Medicine
1390 US HIGHWAY 61 STE N-1000
FESTUS, MO 63028
Jefferson County (636) 933-9300
MRS. ASHLEY CARPENTER NP
Nurse Practitioner (Family)
1390 US HIGHWAY 61 STE N-1000
FESTUS, MO 63028
Jefferson County (636) 933-9300
ROBERT JOHN HIEGER MD
Family Medicine
1390 US HIGHWAY 61 STE N-1000
FESTUS, MO 63028
Jefferson County (636) 933-9300
MRS. MALARY RENEE SEABAUGH MSN, APRN, FNP-BC
Nurse Practitioner (Family)
1390 US HIGHWAY 61 STE N-1000
FESTUS, MO 63028
Jefferson County (636) 933-9300

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 Johnny Yang's NPI number?

The NPI number for Johnny Yang is 1437739869. It was assigned to this individual provider in the NPPES registry on April 9, 2021.

Where is Johnny Yang located?

Johnny Yang practices at 1390 Us Highway 61 Ste N-1000, Crystal Cty, MO 63028. The listed phone number is (636) 933-9300.

What is Johnny Yang's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Johnny Yang enrolled in Medicare?

Yes. Johnny Yang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Johnny Yang was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.