CHARLES EDWARD WHISLER MD
NPI 1073516597
Ophthalmology in Monterey, CA
About Charles Edward Whisler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES EDWARD WHISLER MD (NPI 1073516597) is an individual ophthalmology provider in Monterey, California, licensed in California (A90232) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Salinas, and is a graduate of University Of Michigan Medical School (2001).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Charles Edward Whisler 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 Charles Whisler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Salinas, CA 93901
- Reassigned Medicare billing, California enrollment
- 26 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 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 11
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93940 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MONTEREY, CA 93940
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 Charles Whisler's NPI number?
The NPI number for Charles Whisler is 1073516597. It was assigned to this individual provider in the NPPES registry on May 30, 2005.
Where is Charles Whisler located?
Charles Whisler practices at 966 Cass St Suite 100, Monterey, CA 93940. The listed phone number is (831) 373-7733.
What is Charles Whisler's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Charles Whisler enrolled in Medicare?
Yes. Charles Whisler 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 Charles Whisler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Whisler reassigns Medicare benefits to 2 organizations: Vantage Eye Center A Medical Corp (Salinas, CA) and Emergency And Acute Care Medical Corporation (San Diego, 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 Charles Whisler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Charles Whisler was last updated on May 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.