WILLIAM MELLOR
NPI 1982284436
Orthopaedic Surgery in Carson City, NV
About William Mellor NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM MELLOR (NPI 1982284436) is an individual orthopaedic surgery provider in Carson City, Nevada, licensed in California (A208190) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Washington School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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 Mellor 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 William Mellor reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Zephyr Cove, NV 89448
- Reassigned Medicare billing, Nevada and California enrollments
- Also billed through NPI 1306931357 (California)
- 9 clinicians in this Medicare group
South Lake Tahoe, CA 96150
- Reassigned Medicare billing, California and Nevada enrollments
- 148 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89705 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CARSON CITY, NV 89705
CARSON CITY, NV 89705
CARSON CITY, NV 89705
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 Mellor's NPI number?
The NPI number for William Mellor is 1982284436. It was assigned to this individual provider in the NPPES registry on April 9, 2021.
Where is William Mellor located?
William Mellor practices at 935 Mica Dr Ste 13, Carson City, NV 89705. The listed phone number is (530) 543-5554.
What is William Mellor's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is William Mellor enrolled in Medicare?
Yes. William Mellor 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 Mellor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Mellor reassigns Medicare benefits to 2 organizations: Barton Healthcare System (Zephyr Cove, NV) and Barton Medical Foundation (South Lake Tahoe, CA). 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 Mellor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Mellor accept?
Health plans from Molina Healthcare list William Mellor 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.
When was this NPI record last updated?
The NPPES record for William Mellor was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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 Mellor · NPI 1982284436
Orthopaedic Surgery physician in Carson City, Nevada. Individual provider, active in the CMS NPPES registry since April 9, 2021.
## Identity
- **NPI:** 1982284436 (Entity type: Individual)
- **Enumerated:** April 9, 2021
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** A208190 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 935 MICA DR STE 13, Carson City, NV 89705-7181
- **Phone:** (530) 543-5554
## 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): Barton Healthcare System (NPI 1700963725, Zephyr Cove, NV); Barton Medical Foundation (NPI 1750950499, South Lake Tahoe, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** October 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1982284436) · Data from the CMS NPPES public registry.