WILLIAM CHAD COOK DO
NPI 1811963093
Internal Medicine in Cleveland, OH
About William Chad Cook Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM CHAD COOK DO (NPI 1811963093) is an individual internal medicine provider in Cleveland, Ohio, licensed in Ohio (34007971) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Metrohealth System, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (2000).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
William Chad Cook Do 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 Cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cleveland, OH 44109
- Reassigned Medicare billing, Ohio enrollment
- 2,147 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 4
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.
Metrohealth System
Acute Care Hospitals · Cleveland, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44109 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.
CLEVELAND, OH 44109
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 Cook's NPI number?
The NPI number for William Cook is 1811963093. It was assigned to this individual provider in the NPPES registry on February 27, 2006.
Where is William Cook located?
William Cook practices at 2500 Metrohealth Dr, Cleveland, OH 44109. The listed phone number is (216) 778-7800.
What is William Cook's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is William Cook enrolled in Medicare?
Yes. William Cook 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 Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Cook reassigns Medicare benefits to The Metrohealth System (Cleveland, OH). 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 Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Cook accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and Molina Healthcare and 1 other insurer list William Cook 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 Cook affiliated with any hospitals?
According to CMS data, William Cook is affiliated with Metrohealth System.
When was this NPI record last updated?
The NPPES record for William Cook was last updated on December 27, 2021. 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.
# William Chad Cook, DO · NPI 1811963093
Internal Medicine physician in Cleveland, Ohio. Individual provider, active in the CMS NPPES registry since February 27, 2006.
## Identity
- **NPI:** 1811963093 (Entity type: Individual)
- **Enumerated:** February 27, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 34007971 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 METROHEALTH DR, Cleveland, OH 44109-1900
- **Phone:** (216) 778-7800
## 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:** The Metrohealth System (NPI 1053353896, Cleveland, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oklahoma State University College Of Osteopathic Medicine, class of 2000
## Record status
- **NPPES last updated:** December 27, 2021
- **Other identifiers:** Medicaid 75288532 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1811963093) · Data from the CMS NPPES public registry.