ALEXANDER HUA-MING MARELICH MD
NPI 1962030874
Emergency Medicine in Saint Louis, MO
About Alexander Hua-ming Marelich Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER HUA-MING MARELICH MD (NPI 1962030874) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (2020015736) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Medical Center, and is a graduate of Saint Louis University School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 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
Alexander Hua-ming Marelich 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 Alexander Marelich reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ayer, MA 01432
- Reassigned Medicare billing, Massachusetts enrollment
- 290 clinicians in this Medicare group
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 716 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 7
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Good Samaritan Medical Center
Acute Care Hospitals · Brockton, MAPhysician 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.
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
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 Alexander Marelich's NPI number?
The NPI number for Alexander Marelich is 1962030874. It was assigned to this individual provider in the NPPES registry on March 28, 2020.
Where is Alexander Marelich located?
Alexander Marelich practices at 3635 Vista Ave, Saint Louis, MO 63110. The listed phone number is (314) 268-7133.
What is Alexander Marelich's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alexander Marelich enrolled in Medicare?
Yes. Alexander Marelich 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 Alexander Marelich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Marelich reassigns Medicare benefits to 2 organizations: Steward Emergency Physicians, Inc (Ayer, MA) and Bmc Affiliated Physicians, Inc. (Boston, MA). 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 Alexander Marelich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Marelich accept?
Health plans from WellSense Health Plan list Alexander Marelich 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 Alexander Marelich affiliated with any hospitals?
According to CMS data, Alexander Marelich is affiliated with Good Samaritan Medical Center.
When was this NPI record last updated?
The NPPES record for Alexander Marelich was last updated on July 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Alexander Hua-Ming Marelich, MD · NPI 1962030874
Emergency Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since March 28, 2020.
## Identity
- **NPI:** 1962030874 (Entity type: Individual)
- **Enumerated:** March 28, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 2020015736 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3635 VISTA AVE, Saint Louis, MO 63110-2539
- **Phone:** (314) 268-7133 · **Fax:** (314) 577-8516
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Steward Emergency Physicians, Inc (NPI 1780971275, Ayer, MA); Bmc Affiliated Physicians, Inc. (NPI 1245320910, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 28, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1962030874) · Data from the CMS NPPES public registry.