MAX HARRISON RICH MD
NPI 1023637568
Internal Medicine in Saint Louis, MO
About Max Harrison Rich Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAX HARRISON RICH MD (NPI 1023637568) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2023015166) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital South, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Max Harrison Rich Md 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
2Medicare enrollment records show Max Rich reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 697 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Missouri enrollment
- 301 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 15
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital South
Acute Care Hospitals · Saint Louis, MOSsm St Clare Health Center
Acute Care Hospitals · Fenton, MOSsm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63126 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Max Rich's NPI number?
The NPI number for Max Rich is 1023637568. It was assigned to this individual provider in the NPPES registry on April 14, 2020.
Where is Max Rich located?
Max Rich practices at 30 Ronnies Plz, Saint Louis, MO 63126. The listed phone number is (314) 748-5800.
What is Max Rich's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Max Rich enrolled in Medicare?
Yes. Max Rich 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 Max Rich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Max Rich reassigns Medicare benefits to 2 organizations: Ssm Medical Group, Inc. (Fenton, MO) and Sound Physicians Of Illinois, LLC (Bridgeton, 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 Max Rich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Max Rich accept?
Health plans from Anthem Blue Cross and Blue Shield, Medica and Oscar Insurance Company list Max Rich 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 Max Rich affiliated with any hospitals?
According to CMS data, Max Rich is affiliated with Mercy Hospital South, Ssm St Clare Health Center and Ssm Health St Mary's Hospital - St Louis.
When was this NPI record last updated?
The NPPES record for Max Rich was last updated on June 23, 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.