WILLIAM C MCCAIN NP
NPI 1558199547
Family Medicine in Saltillo, MS
About William C Mccain Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM C MCCAIN NP (NPI 1558199547) is an individual family medicine provider in Saltillo, Mississippi, licensed in Mississippi (906720) and active in the NPI registry since July 2024. He is enrolled in Medicare PECOS, is affiliated with Tishomingo Health Services Inc, and is a graduate of Other (2024).
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
William C Mccain Np 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 William Mccain reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tupelo, MS 38801
- Reassigned Medicare billing, Mississippi 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Tishomingo Health Services Inc
Acute Care Hospitals · Iuka, MSNorth Mississippi Medical Center
Acute Care Hospitals · Tupelo, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38866 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mccain's NPI number?
The NPI number for William Mccain is 1558199547. It was assigned to this individual provider in the NPPES registry on July 23, 2024.
Where is William Mccain located?
William Mccain practices at 196 Drive 2258, Saltillo, MS 38866. The listed phone number is (662) 552-1956.
What is William Mccain's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Mccain enrolled in Medicare?
Yes. William Mccain 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 William Mccain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Mccain reassigns Medicare benefits to Nephrology & Hypertension Associates, Ltd. (Tupelo, MS). 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 William Mccain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Mccain accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 4 other insurers list William Mccain 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 Mccain affiliated with any hospitals?
According to CMS data, William Mccain is affiliated with Tishomingo Health Services Inc and North Mississippi Medical Center.
When was this NPI record last updated?
The NPPES record for William Mccain was last updated on July 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# William C Mccain, NP · NPI 1558199547
Family Medicine physician in Saltillo, Mississippi. Individual provider, active in the CMS NPPES registry since July 23, 2024.
## Identity
- **NPI:** 1558199547 (Entity type: Individual)
- **Enumerated:** July 23, 2024
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 906720 (Mississippi)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 196 DRIVE 2258, Saltillo, MS 38866-1801
- **Phone:** (662) 552-1956
## 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:** Nephrology & Hypertension Associates, Ltd. (NPI 1902975139, Tupelo, MS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** July 23, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1558199547) · Data from the CMS NPPES public registry.