DR. JOHN MARIO DEMAIO M.D.
NPI 1770575342
Anesthesiology in Lexington, KY
About Dr. John Mario Demaio M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN MARIO DEMAIO M.D. (NPI 1770575342) is an individual anesthesiology provider in Lexington, Kentucky, licensed in Kentucky (31480) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Meadowview Regional Medical Center, and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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. John Mario Demaio M.d. 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
3Medicare enrollment records show John Demaio reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lexington, KY 40509
- Reassigned Medicare billing, Kentucky enrollment
- 462 clinicians in this Medicare group
Hazard, KY 41701
- Reassigned Medicare billing, Kentucky and West Virginia enrollments
- 150 clinicians in this Medicare group
Ashland, KY 41101
- Reassigned Medicare billing, Kentucky and West Virginia enrollments
- 83 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Meadowview Regional Medical Center
Acute Care Hospitals · Maysville, KYSaint Joseph Mount Sterling
Acute Care Hospitals · Mount Sterling, KYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEXINGTON, KY 40508
LEXINGTON, KY 40508
LEXINGTON, KY 40508
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 John Demaio's NPI number?
The NPI number for John Demaio is 1770575342. It was assigned to this individual provider in the NPPES registry on August 18, 2005.
Where is John Demaio located?
John Demaio practices at 310 S Limestone, Lexington, KY 40508. The listed phone number is (859) 268-1030.
What is John Demaio's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Demaio enrolled in Medicare?
Yes. John Demaio 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 John Demaio's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Demaio reassigns Medicare benefits to 3 organizations: Commonwealth Anesthesia, Psc (Lexington, KY), Triangle Anesthesia Group Psc (Hazard, KY) and Riverside Anesthesia, Psc (Ashland, 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 John Demaio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Demaio affiliated with any hospitals?
According to CMS data, John Demaio is affiliated with Meadowview Regional Medical Center and Saint Joseph Mount Sterling.
When was this NPI record last updated?
The NPPES record for John Demaio was last updated on March 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. John Mario Demaio, M.D. · NPI 1770575342
Anesthesiology physician in Lexington, Kentucky. Individual provider, active in the CMS NPPES registry since August 18, 2005.
## Identity
- **NPI:** 1770575342 (Entity type: Individual)
- **Enumerated:** August 18, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 31480 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 310 S LIMESTONE, Lexington, KY 40508-3008
- **Phone:** (859) 268-1030 · **Fax:** (859) 269-4120
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Commonwealth Anesthesia, Psc (NPI 1437196300, Lexington, KY); Triangle Anesthesia Group Psc (NPI 1124079314, Hazard, KY); Riverside Anesthesia, Psc (NPI 1578946596, Ashland, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** March 16, 2015
- **Other identifiers:** Medicare UPIN F29063; Medicare PIN 00014028 (KY); Medicare PIN 1228914 (KY); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1770575342) · Data from the CMS NPPES public registry.