ERNESTO JOSE NEGRON M.D.
NPI 1841475845
Hospitalist in Saint Louis, MO
About Ernesto Jose Negron M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERNESTO JOSE NEGRON M.D. (NPI 1841475845) is an individual hospitalist provider in Saint Louis, Missouri, licensed in Missouri (2013005305) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Amberwell Atchison Association, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 10
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
Ernesto Jose Negron 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 Reassignments
6Medicare enrollment records show Ernesto Negron reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 261 clinicians in this Medicare group
Jefferson City, MO 65101
- Reassigned Medicare billing, Missouri enrollment
- 93 clinicians in this Medicare group
Blue Springs, MO 64014
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Saint Lukes Physician Group Inc
- 1,339 clinicians in this Medicare group
New Hampton, MO 64471
- Reassigned Medicare billing, Missouri enrollment
- 207 clinicians in this Medicare group
Saint Joseph, MO 64506
- Reassigned Medicare billing, Missouri enrollment
- 471 clinicians in this Medicare group
Maryville, MO 64468
- Reassigned Medicare billing, Missouri enrollment
- 341 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Amberwell Atchison Association
Critical Access Hospitals · Atchison, KSMosaic Life Care At St Joseph
Acute Care Hospitals · Saint Joseph, MOSaint Lukes North Hospital
Acute Care Hospitals · Kansas City, MOMosaic Medical Center Albany
Critical Access Hospitals · Albany, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63131 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 63131
SAINT LOUIS, MO 63131
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 Ernesto Negron's NPI number?
The NPI number for Ernesto Negron is 1841475845. It was assigned to this individual provider in the NPPES registry on January 8, 2008.
Where is Ernesto Negron located?
Ernesto Negron practices at 3015 N Ballas Rd, Saint Louis, MO 63131. The listed phone number is (314) 996-5772.
What is Ernesto Negron's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ernesto Negron enrolled in Medicare?
Yes. Ernesto Negron 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 organizations bill Medicare for Ernesto Negron's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ernesto Negron reassigns Medicare benefits to 6 organizations: Mercy Clinic Adult Hospitalists - Washington, LLC (Washington, MO), Cole Physician Services LLC (Jefferson City, MO), Saint Luke's Physician Group Inc (Blue Springs, MO), Northwest Medical Center Association, Inc (New Hampton, MO), Heartland Regional Medical Center (Saint Joseph, MO) and 1 more organization, listed in the Medicare section above. Each 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 Ernesto Negron's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ernesto Negron accept?
Health plans from Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Kansas City list Ernesto Negron 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 Ernesto Negron affiliated with any hospitals?
According to CMS data, Ernesto Negron is affiliated with Amberwell Atchison Association, Mosaic Life Care At St Joseph, Saint Lukes North Hospital and Mosaic Medical Center Albany.
When was this NPI record last updated?
The NPPES record for Ernesto Negron was last updated on September 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ernesto Jose Negron, M.D. · NPI 1841475845
Hospitalist physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since January 8, 2008.
## Identity
- **NPI:** 1841475845 (Entity type: Individual)
- **Enumerated:** January 8, 2008
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 2013005305 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 3015 N BALLAS RD, Saint Louis, MO 63131-2329
- **Phone:** (314) 996-5772 · **Fax:** (314) 996-7691
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic Adult Hospitalists - Washington, LLC (NPI 1891943429, Washington, MO); Cole Physician Services LLC (NPI 1144578659, Jefferson City, MO); Saint Luke's Physician Group Inc (NPI 1376257220, Blue Springs, MO); Northwest Medical Center Association, Inc (NPI 1346599230, New Hampton, MO); Heartland Regional Medical Center (NPI 1477575405, Saint Joseph, MO); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ponce School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** September 12, 2023
- **Other identifiers:** Other 1841475845 (MA); Other 1841475845 (MA); Other 756489 (MA); and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1841475845) · Data from the CMS NPPES public registry.