DR. JOHN BRIAN AMMORI M.D.
NPI 1902926751
Surgery - Surgical Oncology in Cleveland, OH
About Dr. John Brian Ammori M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN BRIAN AMMORI M.D. (NPI 1902926751) is an individual surgical oncology provider in Cleveland, Ohio, licensed in Ohio (35-097297) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Parma Community General Hospital, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
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
Dr. John Brian Ammori 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 Reassignment
Medicare enrollment records show John Ammori reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 3,958 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Parma Community General Hospital
Acute Care Hospitals · Parma, OHLake Health
Acute Care Hospitals · Concord, OHUh St John Medical Center
Acute Care Hospitals · Westlake, OHUh Cleveland Medical Center
Acute Care Hospitals · Cleveland, OHUniversity Hospitals - Elyria Medical Center
Acute Care Hospitals · Elyria, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44106 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.
CLEVELAND, OH 44106
CLEVELAND, OH 44106
CLEVELAND, OH 44106
CLEVELAND, OH 44106
CLEVELAND, OH 44106
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 Ammori's NPI number?
The NPI number for John Ammori is 1902926751. It was assigned to this individual provider in the NPPES registry on March 29, 2007.
Where is John Ammori located?
John Ammori practices at 11100 Euclid Ave, Cleveland, OH 44106. The listed phone number is (216) 844-7874.
What is John Ammori's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is John Ammori enrolled in Medicare?
Yes. John Ammori 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 John Ammori's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Ammori reassigns Medicare benefits to University Hospitals Medical Group Inc (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 John Ammori's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Ammori accept?
Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource and MedMutual list John Ammori 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 John Ammori affiliated with any hospitals?
According to CMS data, John Ammori is affiliated with Parma Community General Hospital, Lake Health, Uh St John Medical Center, Uh Cleveland Medical Center and University Hospitals - Elyria Medical Center.
When was this NPI record last updated?
The NPPES record for John Ammori was last updated on January 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 Brian Ammori, M.D. · NPI 1902926751
Surgical Oncology physician in Cleveland, Ohio. Individual provider, active in the CMS NPPES registry since March 29, 2007.
## Identity
- **NPI:** 1902926751 (Entity type: Individual)
- **Enumerated:** March 29, 2007
- **Primary specialty:** Surgery - Surgical Oncology · taxonomy 2086X0206X
- **State license:** 35-097297 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 11100 EUCLID AVE, Cleveland, OH 44106-1716
- **Phone:** (216) 844-7874
## 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:** University Hospitals Medical Group Inc (NPI 1669499414, Cleveland, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** January 9, 2021
- **Other identifiers:** Medicaid 3154376 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1902926751) · Data from the CMS NPPES public registry.