DR. JEREMIAH J COX M.D.
NPI 1669854840
Obstetrics & Gynecology in Hazelwood, MO
About Dr. Jeremiah J Cox M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEREMIAH J COX M.D. (NPI 1669854840) is an individual obstetrics & gynecology provider in Hazelwood, Missouri, licensed in Missouri (2015020133) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Indiana University School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Jeremiah J Cox 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
3Medicare enrollment records show Jeremiah Cox reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1851431738 (Missouri)
- 241 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 64 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 744 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.
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 63042 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Jeremiah Cox's NPI number?
The NPI number for Jeremiah Cox is 1669854840. It was assigned to this individual provider in the NPPES registry on June 23, 2015.
Where is Jeremiah Cox located?
Jeremiah Cox practices at 755 Dunn Rd Ste 130, Hazelwood, MO 63042. The listed phone number is (314) 872-9192.
What is Jeremiah Cox's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Jeremiah Cox enrolled in Medicare?
Yes. Jeremiah Cox 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 Jeremiah Cox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeremiah Cox reassigns Medicare benefits to 3 organizations: Mercy Hospitals East Communities (Saint Louis, MO), Mercy Womens Services LLC (Saint Louis, MO) and Mercy Clinic East Communities (Saint Louis, MO). 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 Jeremiah Cox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jeremiah Cox 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 Jeremiah Cox 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 Jeremiah Cox affiliated with any hospitals?
According to CMS data, Jeremiah Cox is affiliated with Mercy Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Jeremiah Cox was last updated on July 29, 2020. 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.
# Dr. Jeremiah J Cox, M.D. · NPI 1669854840
Obstetrics & Gynecology physician in Hazelwood, Missouri. Individual provider, active in the CMS NPPES registry since June 23, 2015.
## Identity
- **NPI:** 1669854840 (Entity type: Individual)
- **Enumerated:** June 23, 2015
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 2015020133 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 755 DUNN RD STE 130, Hazelwood, MO 63042-1751
- **Phone:** (314) 872-9192 · **Fax:** (314) 251-4234
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mercy Hospitals East Communities (NPI 1255790762, Saint Louis, MO); Mercy Womens Services LLC (NPI 1629327788, Saint Louis, MO); Mercy Clinic East Communities (NPI 1043574940, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** July 29, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1669854840) · Data from the CMS NPPES public registry.