CONNOR ABRAMOWICZ DO
NPI 1508485913
Internal Medicine - Endocrinology, Diabetes & Metabolism in Port Jefferson, NY
About Connor Abramowicz Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CONNOR ABRAMOWICZ DO (NPI 1508485913) is an individual endocrinology, diabetes & metabolism provider in Port Jefferson, New York, licensed in New York (334221) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2020).
NPPES Registry Identity
Specialties & Licenses
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
Connor Abramowicz Do 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 Connor Abramowicz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Port Jefferson, NY 11777
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1588070403 (New York)
- 51 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.
John T Mather Memorial Hospital Of Port Jefferson
Acute Care Hospitals · Port Jefferson, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11777 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
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 Connor Abramowicz's NPI number?
The NPI number for Connor Abramowicz is 1508485913. It was assigned to this individual provider in the NPPES registry on April 15, 2020.
Where is Connor Abramowicz located?
Connor Abramowicz practices at 125 Oakland Ave, Port Jefferson, NY 11777. The listed phone number is (631) 978-7590.
What is Connor Abramowicz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Connor Abramowicz enrolled in Medicare?
Yes. Connor Abramowicz 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 Connor Abramowicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Connor Abramowicz reassigns Medicare benefits to Harbor View Medical Services PC (Port Jefferson, NY). 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 Connor Abramowicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Connor Abramowicz affiliated with any hospitals?
According to CMS data, Connor Abramowicz is affiliated with John T Mather Memorial Hospital Of Port Jefferson.
When was this NPI record last updated?
The NPPES record for Connor Abramowicz was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Connor Abramowicz, DO · NPI 1508485913
Endocrinology, Diabetes & Metabolism physician in Port Jefferson, New York. Individual provider, active in the CMS NPPES registry since April 15, 2020.
## Identity
- **NPI:** 1508485913 (Entity type: Individual)
- **Enumerated:** April 15, 2020
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 334221 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 125 OAKLAND AVE, Port Jefferson, NY 11777-2130
- **Phone:** (631) 978-7590
## 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:** Harbor View Medical Services PC (NPI 1306631742, Port Jefferson, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2020
## Record status
- **NPPES last updated:** May 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1508485913) · Data from the CMS NPPES public registry.