DR. MICHAEL DIMITRIOS KARACHALIOS M.D.
NPI 1013142348
Radiology - Diagnostic Radiology in Manhasset, NY
About Dr. Michael Dimitrios Karachalios M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL DIMITRIOS KARACHALIOS M.D. (NPI 1013142348) is an individual diagnostic radiology provider in Manhasset, New York, licensed in New York (273623) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Huntington Hospital, and maintains a secondary practice location in Manhasset.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Dr. Michael Dimitrios Karachalios 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
11Medicare enrollment records show Michael Karachalios reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Seaford, NY 11783
- Reassigned Medicare billing, New York enrollment
- 391 clinicians in this Medicare group
Blue Ash, OH 45242
- Reassigned Medicare billing, New York enrollment
Oklahoma City, OK 73112
- Reassigned Medicare billing, New York enrollment
- 2 clinicians in this Medicare group
Norman, OK 73072
- Reassigned Medicare billing, New York enrollment
- 2 clinicians in this Medicare group
Nogales, AZ 85621
- Reassigned Medicare billing, New York enrollment
- 2 clinicians in this Medicare group
Kennewick, WA 99338
- Reassigned Medicare billing, New York enrollment
Brawley, CA 92227
- Reassigned Medicare billing, New York enrollment
- 4 clinicians in this Medicare group
Monrovia, CA 91016
- Reassigned Medicare billing, New York enrollment
- 4 clinicians in this Medicare group
Portland, OR 97216
- Reassigned Medicare billing, New York enrollment
- 2 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 13
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.
Ns/Lij Hs Huntington Hospital
Acute Care Hospitals · Huntington, NYNorth Shore University Hospital
Acute Care Hospitals · Manhasset, NYLenox Hill Hospital
Acute Care Hospitals · New York, NYJohn T Mather Memorial Hospital Of Port Jefferson
Acute Care Hospitals · Port Jefferson, NYLong Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11030 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.
MANHASSET, NY 11030
MANHASSET, NY 11030
MANHASSET, NY 11030
MANHASSET, NY 11030
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 Michael Karachalios's NPI number?
The NPI number for Michael Karachalios is 1013142348. It was assigned to this individual provider in the NPPES registry on May 15, 2009. The provider is also known as Dr. Mehiel Karachalios M.D..
Where is Michael Karachalios located?
Michael Karachalios practices at 300 Community Dr, Manhasset, NY 11030. The listed phone number is (888) 321-3627.
What is Michael Karachalios's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Michael Karachalios enrolled in Medicare?
Yes. Michael Karachalios 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 Michael Karachalios's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Karachalios reassigns Medicare benefits to 11 organizations: North Shore-Lij Medical PC (Great Neck, NY), Southside Faculty Medical Affiliates University Faculty Practice Corp (Seaford, NY), Professional Radiology Inc. (Blue Ash, OH), Oklahoma Radiology Group P C (Oklahoma City, OK), Nrhs Radiology Associates (Norman, OK) and 6 more organizations, listed in the Medicare section above. 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 Michael Karachalios's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Karachalios accept?
Health plans from Blue Cross and Blue Shield of Texas, CareSource, Cigna HealthCare of Arizona, Inc and UnitedHealthcare list Michael Karachalios 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 Michael Karachalios affiliated with any hospitals?
According to CMS data, Michael Karachalios is affiliated with Ns/Lij Hs Huntington Hospital, North Shore University Hospital, Lenox Hill Hospital, John T Mather Memorial Hospital Of Port Jefferson and Long Island Jewish Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Karachalios was last updated on January 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Michael Dimitrios Karachalios, M.D. · NPI 1013142348
Diagnostic Radiology physician in Manhasset, New York. Individual provider, active in the CMS NPPES registry since May 15, 2009.
## Identity
- **NPI:** 1013142348 (Entity type: Individual)
- **Enumerated:** May 15, 2009
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 273623 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 COMMUNITY DR, Manhasset, NY 11030-3816
- **Phone:** (888) 321-3627
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY); Southside Faculty Medical Affiliates University Faculty Practice Corp (NPI 1033791058, Seaford, NY); Professional Radiology Inc. (NPI 1043348014, Blue Ash, OH); Oklahoma Radiology Group P C (NPI 1841283165, Oklahoma City, OK); Nrhs Radiology Associates (NPI 1134316169, Norman, OK); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Stony Brook, School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** January 29, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1013142348) · Data from the CMS NPPES public registry.