JOHN LUKE MARIANO MD
NPI 1548794126
Internal Medicine - Medical Oncology in Rochester, NY
About John Luke Mariano Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN LUKE MARIANO MD (NPI 1548794126) is an individual medical oncology provider in Rochester, New York, licensed in New York (311749) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Strong Memorial Hospital, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2017).
NPPES Registry Identity
Specialties & Licenses 2
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
John Luke Mariano 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 John Mariano reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 154 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 1,624 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Strong Memorial Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14642 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.
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
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 Mariano's NPI number?
The NPI number for John Mariano is 1548794126. It was assigned to this individual provider in the NPPES registry on April 20, 2017.
Where is John Mariano located?
John Mariano practices at 601 Elmwood Ave, Rochester, NY 14642. The listed phone number is (585) 275-2222.
What is John Mariano's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is John Mariano enrolled in Medicare?
Yes. John Mariano 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 Mariano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mariano reassigns Medicare benefits to 2 organizations: Hematology Clinical Group (Rochester, NY) and University Of Rochester (Rochester, NY). 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 Mariano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Mariano affiliated with any hospitals?
According to CMS data, John Mariano is affiliated with Strong Memorial Hospital.
When was this NPI record last updated?
The NPPES record for John Mariano was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# John Luke Mariano, MD · NPI 1548794126
Medical Oncology physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since April 20, 2017.
## Identity
- **NPI:** 1548794126 (Entity type: Individual)
- **Enumerated:** April 20, 2017
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 311749 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 ELMWOOD AVE, Rochester, NY 14642-0001
- **Phone:** (585) 275-2222
## 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): Hematology Clinical Group (NPI 1821049396, Rochester, NY); University Of Rochester (NPI 1346285657, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Rochester School Of Medicine And Dentistry, class of 2017
## Record status
- **NPPES last updated:** May 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1548794126) · Data from the CMS NPPES public registry.