ELAINE MARGARET SCHAEFER D.O
NPI 1871753186
Family Medicine in Islip, NY
About Elaine Margaret Schaefer D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELAINE MARGARET SCHAEFER D.O (NPI 1871753186) is an individual family medicine provider in Islip, New York, licensed in New York (250896) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2007).
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
Elaine Margaret Schaefer D.o 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 Elaine Schaefer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 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 18
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 Southside Hospital
Acute Care Hospitals · Bay Shore, NYNorth Shore University Hospital
Acute Care Hospitals · Manhasset, NYLong Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYGood Samaritan Hospital Medical Center
Acute Care Hospitals · West Islip, NYSuny/Stony Brook University Hospital
Acute Care Hospitals · Stony Brook, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11751 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Elaine Schaefer's NPI number?
The NPI number for Elaine Schaefer is 1871753186. It was assigned to this individual provider in the NPPES registry on June 10, 2008.
Where is Elaine Schaefer located?
Elaine Schaefer practices at 260 Main St, Islip, NY 11751. The listed phone number is (631) 581-4481.
What is Elaine Schaefer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Elaine Schaefer enrolled in Medicare?
Yes. Elaine Schaefer 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 Elaine Schaefer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elaine Schaefer reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, 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 Elaine Schaefer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Elaine Schaefer affiliated with any hospitals?
According to CMS data, Elaine Schaefer is affiliated with Ns/Lij Hs Southside Hospital, North Shore University Hospital, Long Island Jewish Medical Center, Good Samaritan Hospital Medical Center and Suny/Stony Brook University Hospital.
When was this NPI record last updated?
The NPPES record for Elaine Schaefer was last updated on July 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Elaine Margaret Schaefer, D.O · NPI 1871753186
Family Medicine physician in Islip, New York. Individual provider, active in the CMS NPPES registry since June 10, 2008.
## Identity
- **NPI:** 1871753186 (Entity type: Individual)
- **Enumerated:** June 10, 2008
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 250896 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 260 MAIN ST, Islip, NY 11751-3450
- **Phone:** (631) 581-4481 · **Fax:** (631) 581-4562
## 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:** North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, 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 2007
## Record status
- **NPPES last updated:** July 2, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1871753186) · Data from the CMS NPPES public registry.