JIN WANG M.D.
NPI 1477790459
Internal Medicine in Saint Louis, MO
About Jin Wang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JIN WANG M.D. (NPI 1477790459) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2009017032) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jin Wang M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Jin Wang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 4 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Jin Wang's NPI number?
The NPI number for Jin Wang is 1477790459. It was assigned to this individual provider in the NPPES registry on January 13, 2009.
Where is Jin Wang located?
Jin Wang practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 251-6339.
What is Jin Wang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jin Wang enrolled in Medicare?
Yes. Jin Wang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Jin Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jin Wang reassigns Medicare benefits to Mercy Clinic Infectious Disease LLC (Saint Louis, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jin Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jin Wang accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Jin Wang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Jin Wang affiliated with any hospitals?
According to CMS data, Jin Wang is affiliated with Mercy Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Jin Wang was last updated on December 1, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Jin Wang, M.D. · NPI 1477790459
Internal Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since January 13, 2009.
## Identity
- **NPI:** 1477790459 (Entity type: Individual)
- **Enumerated:** January 13, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2009017032 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 615 S NEW BALLAS RD, Saint Louis, MO 63141-8221
- **Phone:** (314) 251-6339 · **Fax:** (314) 251-4564
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mercy Clinic Infectious Disease LLC (NPI 1902141641, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** December 1, 2014
- **Other identifiers:** Other P00757987 (MO); Medicare PIN 133360014 (MO); Medicaid 1477790459 (MO); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1477790459) · Data from the CMS NPPES public registry.