DR. LYNN ANNE SCHAEFER PH.D.
NPI 1336287663
Clinical Neuropsychologist in Plainview, NY
About Dr. Lynn Anne Schaefer Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LYNN ANNE SCHAEFER PH.D. (NPI 1336287663) is an individual clinical neuropsychologist in Plainview, New York, licensed in New York (015824-1) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Nassau University Medical Center, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses 4
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. Lynn Anne Schaefer Ph.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
2Medicare enrollment records show Lynn Schaefer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
East Meadow, NY 11554
- Reassigned Medicare billing, New York enrollment
- 553 clinicians in this Medicare group
Great Neck, NY 11021
- 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nassau University Medical Center
Acute Care Hospitals · East Meadow, NYFrequently 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 Lynn Schaefer's NPI number?
The NPI number for Lynn Schaefer is 1336287663. It was assigned to this individual provider in the NPPES registry on February 1, 2007.
Where is Lynn Schaefer located?
Lynn Schaefer practices at 1670 Old Country Rd Ste 117, Plainview, NY 11803. The listed phone number is (516) 572-6835.
What is Lynn Schaefer's specialty?
The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.
Is Lynn Schaefer enrolled in Medicare?
Yes. Lynn 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 organizations bill Medicare for Lynn Schaefer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Schaefer reassigns Medicare benefits to 2 organizations: Nassau Health Care Corporation (East Meadow, NY) and North Shore-Lij Medical PC (Great Neck, NY). 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 Lynn Schaefer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lynn Schaefer affiliated with any hospitals?
According to CMS data, Lynn Schaefer is affiliated with Nassau University Medical Center.
When was this NPI record last updated?
The NPPES record for Lynn Schaefer was last updated on October 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Lynn Anne Schaefer, PH.D. · NPI 1336287663
Clinical Neuropsychologist provider in Plainview, New York. Individual provider, active in the CMS NPPES registry since February 1, 2007.
## Identity
- **NPI:** 1336287663 (Entity type: Individual)
- **Enumerated:** February 1, 2007
- **Primary specialty:** Clinical Neuropsychologist · taxonomy 103G00000X
- **State license:** 015824-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1670 OLD COUNTRY RD, STE 117, Plainview, NY 11803-5020
- **Phone:** (516) 572-6835
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Nassau Health Care Corporation (NPI 1003832098, East Meadow, NY); North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** October 16, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1336287663) · Data from the CMS NPPES public registry.