DR. WILLIAM MEYER MD
NPI 1164436044
Emergency Medicine in Meridian, MS
About Dr. William Meyer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM MEYER MD (NPI 1164436044) is an individual emergency medicine provider in Meridian, Mississippi, licensed in Mississippi (14996) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Anderson Regional Medical Center, and maintains a secondary practice location in Meridian.
NPPES Registry Identity
Specialties & Licenses
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
Dr. William Meyer 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
3Medicare enrollment records show William Meyer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Meridian, MS 39301
- Reassigned Medicare billing, Mississippi enrollment
- 173 clinicians in this Medicare group
Meridian, MS 39301
- Reassigned Medicare billing, Mississippi enrollment
- 39 clinicians in this Medicare group
Memphis, TN 38119
- Reassigned Medicare billing, Mississippi enrollment
- 81 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 3
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.
Anderson Regional Medical Center
Acute Care Hospitals · Meridian, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39301 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.
MERIDIAN, MS 39301
MERIDIAN, MS 39301
MERIDIAN, MS 39301
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 William Meyer's NPI number?
The NPI number for William Meyer is 1164436044. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is William Meyer located?
William Meyer practices at 1102 Constitution Ave, Meridian, MS 39301. The listed phone number is (601) 693-2511.
What is William Meyer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Meyer enrolled in Medicare?
Yes. William Meyer 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 William Meyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Meyer reassigns Medicare benefits to 3 organizations: Anderson Physician Alliance, Inc (Meridian, MS), Bear Creek Emergency Group LLC (Meridian, MS) and Medical Services Of Meridian, Inc. (Memphis, TN). 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 William Meyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Meyer accept?
Health plans from Oscar Health Plan, Inc. and Oscar Insurance Company list William Meyer 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 William Meyer affiliated with any hospitals?
According to CMS data, William Meyer is affiliated with Anderson Regional Medical Center.
When was this NPI record last updated?
The NPPES record for William Meyer was last updated on March 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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. William Meyer, MD · NPI 1164436044
Emergency Medicine physician in Meridian, Mississippi. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1164436044 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 14996 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 1102 CONSTITUTION AVE, Meridian, MS 39301-4001
- **Phone:** (601) 693-2511 · **Fax:** (601) 484-3357
## 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): Anderson Physician Alliance, Inc (NPI 1831497940, Meridian, MS); Bear Creek Emergency Group LLC (NPI 1750252623, Meridian, MS); Medical Services Of Meridian, Inc. (NPI 1174095988, Memphis, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Mississippi School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** March 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1164436044) · Data from the CMS NPPES public registry.