DR. JOSEPH SANTOS SANTIAGO M.D.
NPI 1366413338
Family Medicine in Saint Louis, MO
About Dr. Joseph Santos Santiago M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH SANTOS SANTIAGO M.D. (NPI 1366413338) is an individual family medicine provider in Saint Louis, Missouri, licensed in Missouri (36856) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Joseph Santos Santiago M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Joseph Santiago reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 744 clinicians in this Medicare group
Saint Louis, MO 63127
- Reassigned Medicare billing, Missouri enrollment
- 4 clinicians in this Medicare group
Saint Louis, MO 63132
- Reassigned Medicare billing, Missouri enrollment
- 27 clinicians in this Medicare group
Chillicothe, OH 45601
- Reassigned Medicare billing, Missouri enrollment
- 23 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63125 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 63125
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 Joseph Santiago's NPI number?
The NPI number for Joseph Santiago is 1366413338. It was assigned to this individual provider in the NPPES registry on January 30, 2006.
Where is Joseph Santiago located?
Joseph Santiago practices at 2900 Lemay Ferry Rd Suite 217, Saint Louis, MO 63125. The listed phone number is (314) 894-8865.
What is Joseph Santiago's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Joseph Santiago enrolled in Medicare?
Yes. Joseph Santiago is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Joseph Santiago's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Santiago reassigns Medicare benefits to 4 organizations: Mercy Clinic East Communities (Saint Louis, MO), Seasons Medical Group Of Missouri PC (Saint Louis, MO), Generation Clinical Partners LLC (Saint Louis, MO) and Pai Participant 1 LLC (Chillicothe, OH). 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 Joseph Santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Santiago accept?
Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Joseph Santiago 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.
When was this NPI record last updated?
The NPPES record for Joseph Santiago was last updated on March 14, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.