DR. STEPHEN ALEXANDER HERRMANN MD
NPI 1871936591
Radiology - Diagnostic Radiology in Saint Louis, MO
About Dr. Stephen Alexander Herrmann Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN ALEXANDER HERRMANN MD (NPI 1871936591) is an individual diagnostic radiology provider in Saint Louis, Missouri, licensed in Missouri (2018010828) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of University Of Texas Medical School At Houston (2013).
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. Stephen Alexander Herrmann 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 Reassignment
Medicare enrollment records show Stephen Herrmann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 119 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 66
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Methodist Hospital
Acute Care Hospitals · Houston, TXHouston Methodist Sugarland Hospital
Acute Care Hospitals · Sugar Land, TXHouston Methodist Willowbrook Hospital
Acute Care Hospitals · Houston, TXHouston Methodist West Hospital
Acute Care Hospitals · Houston, TXHouston Methodist The Woodlands Hospital
Acute Care Hospitals · The Woodlands, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Stephen Herrmann's NPI number?
The NPI number for Stephen Herrmann is 1871936591. It was assigned to this individual provider in the NPPES registry on April 11, 2013.
Where is Stephen Herrmann located?
Stephen Herrmann practices at 510 S Kingshighway Blvd, Saint Louis, MO 63110. The listed phone number is (314) 362-7200.
What is Stephen Herrmann's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Stephen Herrmann enrolled in Medicare?
Yes. Stephen Herrmann 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 Stephen Herrmann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Herrmann reassigns Medicare benefits to Houston Radiology Associated (Houston, TX). 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 Stephen Herrmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Herrmann accept?
Health plans from Blue Cross and Blue Shield of Texas list Stephen Herrmann 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 Stephen Herrmann affiliated with any hospitals?
According to CMS data, Stephen Herrmann is affiliated with Houston Methodist Hospital, Houston Methodist Sugarland Hospital, Houston Methodist Willowbrook Hospital, Houston Methodist West Hospital and Houston Methodist The Woodlands Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Herrmann was last updated on June 7, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.