DR. WILLIAM S KROST MD, MBA, NRP
NPI 1942731997
Emergency Medicine in Toledo, OH
About Dr. William S Krost Md, Mba, Nrp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM S KROST MD, MBA, NRP (NPI 1942731997) is an individual emergency medicine provider in Toledo, Ohio, licensed in Kentucky (53787) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Frankfort Regional Medical Center, and maintains a secondary practice location in Toledo.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Dr. William S Krost Md, Mba, Nrp 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
5Medicare enrollment records show William Krost reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Maysville, KY 41056
- Reassigned Medicare billing, Kentucky enrollment
- 828 clinicians in this Medicare group
Georgetown, KY 40324
- Reassigned Medicare billing, Kentucky enrollment
- 338 clinicians in this Medicare group
Louisville, KY 40207
- Reassigned Medicare billing, Kentucky enrollment
- 38 clinicians in this Medicare group
Bowling Green, KY 42104
- Reassigned Medicare billing, Kentucky enrollment
- 103 clinicians in this Medicare group
Paducah, KY 42003
- Reassigned Medicare billing, Kentucky enrollment
- 220 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Frankfort Regional Medical Center
Acute Care Hospitals · Frankfort, KYSaint Joseph East
Acute Care Hospitals · Lexington, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43608 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.
TOLEDO, OH 43608
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 Krost's NPI number?
The NPI number for William Krost is 1942731997. It was assigned to this individual provider in the NPPES registry on March 22, 2017.
Where is William Krost located?
William Krost practices at 2213 Cherry St, Toledo, OH 43608. The listed phone number is (419) 251-4724.
What is William Krost's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Krost enrolled in Medicare?
Yes. William Krost 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 Krost's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Krost reassigns Medicare benefits to 5 organizations: Southeastern Emergency Physicians LLC (Maysville, KY), New Lexington Clinic, Psc (Georgetown, KY), Louisville Emergency Medicine Associates Psc (Louisville, KY), Emergency Medicine Services Of Ky, LLC (Bowling Green, KY) and Green Valley Emergency Physicians, LLC (Paducah, KY). 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 Krost's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Krost affiliated with any hospitals?
According to CMS data, William Krost is affiliated with Frankfort Regional Medical Center and Saint Joseph East.
When was this NPI record last updated?
The NPPES record for William Krost was last updated on September 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. William S Krost, MD, MBA, NRP · NPI 1942731997
Emergency Medicine physician in Toledo, Ohio. Individual provider, active in the CMS NPPES registry since March 22, 2017.
## Identity
- **NPI:** 1942731997 (Entity type: Individual)
- **Enumerated:** March 22, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 53787 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 2213 CHERRY ST, Toledo, OH 43608-2603
- **Phone:** (419) 251-4724
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Southeastern Emergency Physicians LLC (NPI 1356379382, Maysville, KY); New Lexington Clinic, Psc (NPI 1861687048, Georgetown, KY); Louisville Emergency Medicine Associates Psc (NPI 1487604641, Louisville, KY); Emergency Medicine Services Of Ky, LLC (NPI 1033816194, Bowling Green, KY); Green Valley Emergency Physicians, LLC (NPI 1720755739, Paducah, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** September 15, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1942731997) · Data from the CMS NPPES public registry.