CARL EMMETT MANZO MD
NPI 1841618204
Internal Medicine - Gastroenterology in Warren, OH
About Carl Emmett Manzo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARL EMMETT MANZO MD (NPI 1841618204) is an individual gastroenterology provider in Warren, Ohio, licensed in Ohio (35.142254) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with St Elizabeth Youngstown Hospital, and maintains a secondary practice location in Hershey.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Carl Emmett Manzo 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
3Medicare enrollment records show Carl Manzo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Warren, OH 44484
- Reassigned Medicare billing, Ohio enrollment
- 744 clinicians in this Medicare group
Youngstown, OH 44504
- Reassigned Medicare billing, Ohio enrollment
- 374 clinicians in this Medicare group
Mechanicsburg, PA 17050
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,216 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 17
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.
St Elizabeth Youngstown Hospital
Acute Care Hospitals · Youngstown, OHEast Liverpool City Hospital
Acute Care Hospitals · East Liverpool, OHMh St Joseph Warren Hospital
Acute Care Hospitals · Warren, OHHmhp St Elizabeth Boardman Health Center
Acute Care Hospitals · Boardman, OHSurgical Hospital At Southwoods
Acute Care Hospitals · Youngstown, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44484 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.
WARREN, OH 44484
WARREN, OH 44484
WARREN, OH 44484
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 Carl Manzo's NPI number?
The NPI number for Carl Manzo is 1841618204. It was assigned to this individual provider in the NPPES registry on April 2, 2014.
Where is Carl Manzo located?
Carl Manzo practices at 1932 Niles Cortland Rd NE, Warren, OH 44484. The listed phone number is (330) 306-5258.
What is Carl Manzo's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Carl Manzo enrolled in Medicare?
Yes. Carl Manzo 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 Carl Manzo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carl Manzo reassigns Medicare benefits to 3 organizations: Mercy Health Physicians Youngstown Specialty Care LLC (Warren, OH), Mercy Health Physicians Youngstown, LLC (Youngstown, OH) and Milton S Hershey Medical Center Physicians Group (Mechanicsburg, PA). 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 Carl Manzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carl Manzo accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, AmeriHealth Caritas Next and Anthem Blue Cross and Blue Shield and 4 other insurers list Carl Manzo 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 Carl Manzo affiliated with any hospitals?
According to CMS data, Carl Manzo is affiliated with St Elizabeth Youngstown Hospital, East Liverpool City Hospital, Mh St Joseph Warren Hospital, Hmhp St Elizabeth Boardman Health Center and Surgical Hospital At Southwoods.
When was this NPI record last updated?
The NPPES record for Carl Manzo was last updated on July 20, 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.