DR. NICHOLAS M DIMEO MD
NPI 1649856691
Emergency Medicine in Lexington, KY
About Dr. Nicholas M Dimeo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICHOLAS M DIMEO MD (NPI 1649856691) is an individual emergency medicine provider in Lexington, Kentucky, licensed in Kentucky (59340) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Jewish Hospital & St Mary's Healthcare, and maintains a secondary practice location in Cleveland.
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
Dr. Nicholas M Dimeo 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 Nicholas Dimeo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Louisville, KY 40241
- Reassigned Medicare billing, Kentucky enrollment
- 2,337 clinicians in this Medicare group
Louisville, KY 40241
- Reassigned Medicare billing, Kentucky enrollment
- 1,896 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 3
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.
Jewish Hospital & St Mary's Healthcare
Acute Care Hospitals · Louisville, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40504 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.
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 Nicholas Dimeo's NPI number?
The NPI number for Nicholas Dimeo is 1649856691. It was assigned to this individual provider in the NPPES registry on March 21, 2021.
Where is Nicholas Dimeo located?
Nicholas Dimeo practices at 1221 S Broadway, Lexington, KY 40504. The listed phone number is (859) 258-4000.
What is Nicholas Dimeo's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nicholas Dimeo enrolled in Medicare?
Yes. Nicholas Dimeo 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 Nicholas Dimeo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Dimeo reassigns Medicare benefits to 2 organizations: University Of Louisville Physicians, Inc. (Louisville, KY) and Community Medical Associates, Inc. (Louisville, 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 Nicholas Dimeo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nicholas Dimeo affiliated with any hospitals?
According to CMS data, Nicholas Dimeo is affiliated with Jewish Hospital & St Mary's Healthcare.
When was this NPI record last updated?
The NPPES record for Nicholas Dimeo was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 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.
# Dr. Nicholas M Dimeo, MD · NPI 1649856691
Emergency Medicine physician in Lexington, Kentucky. Individual provider, active in the CMS NPPES registry since March 21, 2021.
## Identity
- **NPI:** 1649856691 (Entity type: Individual)
- **Enumerated:** March 21, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 59340 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 1221 S BROADWAY, Lexington, KY 40504-2701
- **Phone:** (859) 258-4000
## 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): University Of Louisville Physicians, Inc. (NPI 1972859098, Louisville, KY); Community Medical Associates, Inc. (NPI 1073089850, Louisville, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kentucky College Of Medicine, class of 2021
## Record status
- **NPPES last updated:** September 9, 2026
- **Other identifiers:** Medicaid 7100972610 (KY)
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Source: [NPI Profile](https://npiprofile.com/npi/1649856691) · Data from the CMS NPPES public registry.